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Merge pull request #12 from hlovdal/board-003

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Board 003
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Roar Fredriksen 2018-02-01 23:26:45 +01:00 committed by GitHub
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*.kicad_pcb-bak
*.bak
*.bck

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# Overview
This board can be used to simulate a M-Bus master unit instead of
connecting to the real AMS unit, i.e. usable for test and development.
It takes a 5 V TTL level input (serial) signal and converts it
to a M-bus level signal. It only supports sending. Based on
[MBus_USB.pdf](https://github.com/rscada/libmbus/blob/master/hardware/MBus_USB.pdf)<sup>1</sup>.
It depends on an external power source capable of delivering 25-40 Volt.
Most DC-DC boost/step-up converter modules<sup>2</sup> should be fine for this.
![](mbus_master.png)
## BOM
* D1 13V zener
* Q1-Q3 NPN transistor
* Q4 PNP transistor
* R1 1k
* R2 6.8k
* R3 1 (optional, can be shorted instead)
* R4 150
* R5 22k
* R6 220k
Note for the zener. This board depends on the zener to operate below 1mA,
e.g. like 1N5350 whereas a BZX55 will probably not operate properly.
![](zener_ok.png?raw=true) ![](zener_not_ok.png?raw=true)
This could be accomplished by reducing the 22k resistor so that it
draws enough current.
-------------
<sup>1</sup>
See also https://electronics.stackexchange.com/questions/99388/designing-a-m-bus-master-up-to-10-slaves/ and https://electronics.stackexchange.com/a/214477/568.
<sup>2</sup>
Like for instance [this one](http://hobbycomponents.com/power/698-xl60009-dc-dc-step-up-boost-converter) for £3.

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EESchema-LIBRARY Version 2.3
#encoding utf-8
#
# BC547
#
DEF BC547 Q 0 0 Y N 1 F N
F0 "Q" 200 75 50 H V L CNN
F1 "BC547" 200 0 50 H V L CNN
F2 "TO_SOT_Packages_THT:TO-92_Molded_Narrow" 200 -75 50 H I L CIN
F3 "" 0 0 50 H I L CNN
ALIAS BC546 BC548 BC549 BC550 BC337 BC338
$FPLIST
TO?92*
$ENDFPLIST
DRAW
C 50 0 111 0 1 10 N
P 2 0 1 0 0 0 25 0 N
P 2 0 1 0 25 25 100 100 N
P 3 0 1 0 25 -25 100 -100 100 -100 N
P 3 0 1 20 25 75 25 -75 25 -75 N
P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
X C 1 100 200 100 D 50 50 1 1 P
X B 2 -200 0 200 R 50 50 1 1 I
X E 3 100 -200 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# BD140
#
DEF BD140 Q 0 0 Y N 1 F N
F0 "Q" 200 75 50 H V L CNN
F1 "BD140" 200 0 50 H V L CNN
F2 "TO_SOT_Packages_THT:TO-126_Vertical" 200 -75 50 H I L CIN
F3 "" 0 0 50 H I L CNN
ALIAS BD136 BD138 BD234 BD236 BD238
$FPLIST
TO?126*
$ENDFPLIST
DRAW
C 50 0 111 0 1 12 N
P 2 0 1 0 0 0 25 0 N
P 2 0 1 0 100 -100 25 -25 N
P 2 0 1 0 100 100 25 25 N
P 3 0 1 20 25 75 25 -75 25 -75 F
P 5 0 1 0 55 -75 75 -55 35 -35 55 -75 55 -75 F
X E 1 100 -200 100 U 50 50 1 1 P
X C 2 100 200 100 D 50 50 1 1 P
X B 3 -200 0 200 R 50 50 1 1 I
ENDDRAW
ENDDEF
#
# Conn_01x02
#
DEF Conn_01x02 J 0 40 Y N 1 F N
F0 "J" 0 100 50 H V C CNN
F1 "Conn_01x02" 0 -200 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
Connector*:*_??x*mm*
Connector*:*1x??x*mm*
Pin?Header?Straight?1X*
Pin?Header?Angled?1X*
Socket?Strip?Straight?1X*
Socket?Strip?Angled?1X*
$ENDFPLIST
DRAW
S -50 -95 0 -105 1 1 6 N
S -50 5 0 -5 1 1 6 N
S -50 50 50 -150 1 1 10 f
X Pin_1 1 -200 0 150 R 50 50 1 1 P
X Pin_2 2 -200 -100 150 R 50 50 1 1 P
ENDDRAW
ENDDEF
#
# D_Zener_Small_ALT
#
DEF D_Zener_Small_ALT D 0 10 N N 1 F N
F0 "D" 0 90 50 H V C CNN
F1 "D_Zener_Small_ALT" 0 -90 50 H V C CNN
F2 "" 0 0 50 V I C CNN
F3 "" 0 0 50 V I C CNN
$FPLIST
TO-???*
*SingleDiode
*_Diode_*
*SingleDiode*
D_*
$ENDFPLIST
DRAW
P 2 0 1 0 30 0 -30 0 N
P 3 0 1 0 -10 40 -30 40 -30 -40 N
P 4 0 1 0 30 40 -30 0 30 -40 30 40 F
X K 1 -100 0 70 R 50 50 1 1 P
X A 2 100 0 70 L 50 50 1 1 P
ENDDRAW
ENDDEF
#
# GND
#
DEF GND #PWR 0 0 Y Y 1 F P
F0 "#PWR" 0 -250 50 H I C CNN
F1 "GND" 0 -150 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
X GND 1 0 0 0 D 50 50 1 1 W N
ENDDRAW
ENDDEF
#
# PWR_FLAG
#
DEF PWR_FLAG #FLG 0 0 N N 1 F P
F0 "#FLG" 0 75 50 H I C CNN
F1 "PWR_FLAG" 0 150 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
X pwr 1 0 0 0 U 50 50 0 0 w
P 6 0 1 0 0 0 0 50 -40 75 0 100 40 75 0 50 N
ENDDRAW
ENDDEF
#
# R
#
DEF R R 0 0 N Y 1 F N
F0 "R" 80 0 50 V V C CNN
F1 "R" 0 0 50 V V C CNN
F2 "" -70 0 50 V I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
R_*
R_*
$ENDFPLIST
DRAW
S -40 -100 40 100 0 1 10 N
X ~ 1 0 150 50 D 50 50 1 1 P
X ~ 2 0 -150 50 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
#End Library

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(add_net "Net-(Q2-Pad2)")
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)
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(at 148.844 77.724 90)
(descr "Through hole straight pin header, 1x02, 1.27mm pitch, single row")
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(at 162.052 83.82 180)
(descr "Through hole straight pin header, 1x02, 1.27mm pitch, single row")
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)
(module TO_SOT_Packages_THT:TO-92_Molded_Narrow (layer F.Cu) (tedit 5A70ECEA) (tstamp 5A70DE79)
(at 147.32 92.964 270)
(descr "TO-92 leads molded, narrow, drill 0.6mm (see NXP sot054_po.pdf)")
(tags "to-92 sc-43 sc-43a sot54 PA33 transistor")
(path /5A6C58F3)
(fp_text reference Q1 (at 1.524 2.54 360) (layer F.SilkS)
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)
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(effects (font (size 1 1) (thickness 0.15)))
)
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)
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(fp_line (start -1.46 -2.73) (end 4 -2.73) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.46 -2.73) (end -1.46 2.01) (layer F.CrtYd) (width 0.05))
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(fp_line (start 4 2.01) (end -1.46 2.01) (layer F.CrtYd) (width 0.05))
(fp_arc (start 1.27 0) (end 1.27 -2.48) (angle 135) (layer F.Fab) (width 0.1))
(fp_arc (start 1.27 0) (end 1.27 -2.6) (angle -135) (layer F.SilkS) (width 0.12))
(fp_arc (start 1.27 0) (end 1.27 -2.48) (angle -135) (layer F.Fab) (width 0.1))
(fp_arc (start 1.27 0) (end 1.27 -2.6) (angle 135) (layer F.SilkS) (width 0.12))
(pad 2 thru_hole circle (at 1.27 -1.27) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 5 "Net-(Q1-Pad2)"))
(pad 3 thru_hole circle (at 2.54 0) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 2 GND))
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(net 6 "Net-(Q1-Pad1)"))
(model ${KISYS3DMOD}/TO_SOT_Packages_THT.3dshapes/TO-92_Molded_Narrow.wrl
(at (xyz 0.05 0 0))
(scale (xyz 1 1 1))
(rotate (xyz 0 0 -90))
)
)
(module TO_SOT_Packages_THT:TO-92_Molded_Narrow (layer F.Cu) (tedit 5A70ECF1) (tstamp 5A70DE80)
(at 147.32 86.868 270)
(descr "TO-92 leads molded, narrow, drill 0.6mm (see NXP sot054_po.pdf)")
(tags "to-92 sc-43 sc-43a sot54 PA33 transistor")
(path /5A70EDBB)
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)
(fp_line (start -0.53 1.85) (end 3.07 1.85) (layer F.SilkS) (width 0.12))
(fp_line (start -0.5 1.75) (end 3 1.75) (layer F.Fab) (width 0.1))
(fp_line (start -1.46 -2.73) (end 4 -2.73) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.46 -2.73) (end -1.46 2.01) (layer F.CrtYd) (width 0.05))
(fp_line (start 4 2.01) (end 4 -2.73) (layer F.CrtYd) (width 0.05))
(fp_line (start 4 2.01) (end -1.46 2.01) (layer F.CrtYd) (width 0.05))
(fp_arc (start 1.27 0) (end 1.27 -2.48) (angle 135) (layer F.Fab) (width 0.1))
(fp_arc (start 1.27 0) (end 1.27 -2.6) (angle -135) (layer F.SilkS) (width 0.12))
(fp_arc (start 1.27 0) (end 1.27 -2.48) (angle -135) (layer F.Fab) (width 0.1))
(fp_arc (start 1.27 0) (end 1.27 -2.6) (angle 135) (layer F.SilkS) (width 0.12))
(pad 2 thru_hole circle (at 1.27 -1.27) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 7 "Net-(Q2-Pad2)"))
(pad 3 thru_hole circle (at 2.54 0) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 6 "Net-(Q1-Pad1)"))
(pad 1 thru_hole rect (at 0 0) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 8 "Net-(Q2-Pad1)"))
(model ${KISYS3DMOD}/TO_SOT_Packages_THT.3dshapes/TO-92_Molded_Narrow.wrl
(at (xyz 0.05 0 0))
(scale (xyz 1 1 1))
(rotate (xyz 0 0 -90))
)
)
(module TO_SOT_Packages_THT:TO-92_Molded_Narrow (layer F.Cu) (tedit 5A70ECFA) (tstamp 5A70DE87)
(at 142.748 82.804)
(descr "TO-92 leads molded, narrow, drill 0.6mm (see NXP sot054_po.pdf)")
(tags "to-92 sc-43 sc-43a sot54 PA33 transistor")
(path /5A70ED17)
(fp_text reference Q3 (at -2.54 1.016) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value BC337 (at 1.27 2.79) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text user %R (at 1.27 -3.56) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start -0.53 1.85) (end 3.07 1.85) (layer F.SilkS) (width 0.12))
(fp_line (start -0.5 1.75) (end 3 1.75) (layer F.Fab) (width 0.1))
(fp_line (start -1.46 -2.73) (end 4 -2.73) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.46 -2.73) (end -1.46 2.01) (layer F.CrtYd) (width 0.05))
(fp_line (start 4 2.01) (end 4 -2.73) (layer F.CrtYd) (width 0.05))
(fp_line (start 4 2.01) (end -1.46 2.01) (layer F.CrtYd) (width 0.05))
(fp_arc (start 1.27 0) (end 1.27 -2.48) (angle 135) (layer F.Fab) (width 0.1))
(fp_arc (start 1.27 0) (end 1.27 -2.6) (angle -135) (layer F.SilkS) (width 0.12))
(fp_arc (start 1.27 0) (end 1.27 -2.48) (angle -135) (layer F.Fab) (width 0.1))
(fp_arc (start 1.27 0) (end 1.27 -2.6) (angle 135) (layer F.SilkS) (width 0.12))
(pad 2 thru_hole circle (at 1.27 -1.27 90) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 8 "Net-(Q2-Pad1)"))
(pad 3 thru_hole circle (at 2.54 0 90) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 9 "Net-(Q3-Pad3)"))
(pad 1 thru_hole rect (at 0 0 90) (size 1 1) (drill 0.6) (layers *.Cu *.Mask)
(net 10 "Net-(D1-Pad2)"))
(model ${KISYS3DMOD}/TO_SOT_Packages_THT.3dshapes/TO-92_Molded_Narrow.wrl
(at (xyz 0.05 0 0))
(scale (xyz 1 1 1))
(rotate (xyz 0 0 -90))
)
)
(module TO_SOT_Packages_THT:TO-126_Vertical (layer F.Cu) (tedit 5A70EBE8) (tstamp 5A70DE8E)
(at 161.544 88.392 270)
(descr "TO-126, Vertical, RM 2.54mm")
(tags "TO-126 Vertical RM 2.54mm")
(path /5A6C614C)
(fp_text reference Q4 (at 7.62 0 360) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value BD136 (at 2.54 3.27 270) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text user %R (at 2.54 -3.12 270) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start -1.46 -2) (end -1.46 1.25) (layer F.Fab) (width 0.1))
(fp_line (start -1.46 1.25) (end 6.54 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 6.54 1.25) (end 6.54 -2) (layer F.Fab) (width 0.1))
(fp_line (start 6.54 -2) (end -1.46 -2) (layer F.Fab) (width 0.1))
(fp_line (start 0.94 -2) (end 0.94 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 4.14 -2) (end 4.14 1.25) (layer F.Fab) (width 0.1))
(fp_line (start -1.58 -2.12) (end 6.66 -2.12) (layer F.SilkS) (width 0.12))
(fp_line (start -1.58 1.37) (end 6.66 1.37) (layer F.SilkS) (width 0.12))
(fp_line (start -1.58 -2.12) (end -1.58 1.37) (layer F.SilkS) (width 0.12))
(fp_line (start 6.66 -2.12) (end 6.66 1.37) (layer F.SilkS) (width 0.12))
(fp_line (start 0.94 -2.12) (end 0.94 -1.05) (layer F.SilkS) (width 0.12))
(fp_line (start 0.94 1.05) (end 0.94 1.37) (layer F.SilkS) (width 0.12))
(fp_line (start 4.141 -2.12) (end 4.141 -0.54) (layer F.SilkS) (width 0.12))
(fp_line (start 4.141 0.54) (end 4.141 1.37) (layer F.SilkS) (width 0.12))
(fp_line (start -1.71 -2.25) (end -1.71 1.5) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.71 1.5) (end 6.79 1.5) (layer F.CrtYd) (width 0.05))
(fp_line (start 6.79 1.5) (end 6.79 -2.25) (layer F.CrtYd) (width 0.05))
(fp_line (start 6.79 -2.25) (end -1.71 -2.25) (layer F.CrtYd) (width 0.05))
(pad 1 thru_hole rect (at 0 0 270) (size 1.8 1.8) (drill 1) (layers *.Cu *.Mask)
(net 4 /MBus-))
(pad 2 thru_hole oval (at 2.54 0 270) (size 1.8 1.8) (drill 1) (layers *.Cu *.Mask)
(net 2 GND))
(pad 3 thru_hole oval (at 5.08 0 270) (size 1.8 1.8) (drill 1) (layers *.Cu *.Mask)
(net 10 "Net-(D1-Pad2)"))
(model ${KISYS3DMOD}/TO_SOT_Packages_THT.3dshapes/TO-126_Vertical.wrl
(at (xyz 0.1 0 0))
(scale (xyz 1 1 1))
(rotate (xyz 0 0 0))
)
)
(module Diodes_THT:D_A-405_P7.62mm_Horizontal (layer F.Cu) (tedit 5A70ED77) (tstamp 5A70E314)
(at 145.796 77.724 180)
(descr "D, A-405 series, Axial, Horizontal, pin pitch=7.62mm, , length*diameter=5.2*2.7mm^2, , http://www.diodes.com/_files/packages/A-405.pdf")
(tags "D A-405 series Axial Horizontal pin pitch 7.62mm length 5.2mm diameter 2.7mm")
(path /5A6C5A7F)
(fp_text reference D1 (at 5.588 -2.032 180) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value D_Zener_Small_ALT (at 3.81 2.41 180) (layer F.Fab) hide
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text user %R (at 3.81 0 180) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start 1.21 -1.35) (end 1.21 1.35) (layer F.Fab) (width 0.1))
(fp_line (start 1.21 1.35) (end 6.41 1.35) (layer F.Fab) (width 0.1))
(fp_line (start 6.41 1.35) (end 6.41 -1.35) (layer F.Fab) (width 0.1))
(fp_line (start 6.41 -1.35) (end 1.21 -1.35) (layer F.Fab) (width 0.1))
(fp_line (start 0 0) (end 1.21 0) (layer F.Fab) (width 0.1))
(fp_line (start 7.62 0) (end 6.41 0) (layer F.Fab) (width 0.1))
(fp_line (start 1.99 -1.35) (end 1.99 1.35) (layer F.Fab) (width 0.1))
(fp_line (start 1.15 -1.41) (end 1.15 1.41) (layer F.SilkS) (width 0.12))
(fp_line (start 1.15 1.41) (end 6.47 1.41) (layer F.SilkS) (width 0.12))
(fp_line (start 6.47 1.41) (end 6.47 -1.41) (layer F.SilkS) (width 0.12))
(fp_line (start 6.47 -1.41) (end 1.15 -1.41) (layer F.SilkS) (width 0.12))
(fp_line (start 1.08 0) (end 1.15 0) (layer F.SilkS) (width 0.12))
(fp_line (start 6.54 0) (end 6.47 0) (layer F.SilkS) (width 0.12))
(fp_line (start 1.99 -1.41) (end 1.99 1.41) (layer F.SilkS) (width 0.12))
(fp_line (start -1.15 -1.7) (end -1.15 1.7) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.15 1.7) (end 8.8 1.7) (layer F.CrtYd) (width 0.05))
(fp_line (start 8.8 1.7) (end 8.8 -1.7) (layer F.CrtYd) (width 0.05))
(fp_line (start 8.8 -1.7) (end -1.15 -1.7) (layer F.CrtYd) (width 0.05))
(pad 1 thru_hole rect (at 0 0 180) (size 1.8 1.8) (drill 0.9) (layers *.Cu *.Mask)
(net 1 /EXT_PWR))
(pad 2 thru_hole oval (at 7.62 0 180) (size 1.8 1.8) (drill 0.9) (layers *.Cu *.Mask)
(net 10 "Net-(D1-Pad2)"))
(model ${KISYS3DMOD}/Diodes_THT.3dshapes/D_A-405_P7.62mm_Horizontal.wrl
(at (xyz 0 0 0))
(scale (xyz 0.393701 0.393701 0.393701))
(rotate (xyz 0 0 0))
)
)
(module Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (layer F.Cu) (tedit 5A70EC9C) (tstamp 5A70E319)
(at 152.4 86.36 270)
(descr "Resistor, Axial_DIN0207 series, Axial, Horizontal, pin pitch=10.16mm, 0.25W = 1/4W, length*diameter=6.3*2.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf")
(tags "Resistor Axial_DIN0207 series Axial Horizontal pin pitch 10.16mm 0.25W = 1/4W length 6.3mm diameter 2.5mm")
(path /5A6C5956)
(fp_text reference R1 (at 4.572 2.032 360) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value 1k (at 5.08 2.31 270) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start 1.93 -1.25) (end 1.93 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 1.93 1.25) (end 8.23 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 1.25) (end 8.23 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 -1.25) (end 1.93 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 0 0) (end 1.93 0) (layer F.Fab) (width 0.1))
(fp_line (start 10.16 0) (end 8.23 0) (layer F.Fab) (width 0.1))
(fp_line (start 1.87 -1.31) (end 1.87 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 1.87 1.31) (end 8.29 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 1.31) (end 8.29 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 -1.31) (end 1.87 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 0.98 0) (end 1.87 0) (layer F.SilkS) (width 0.12))
(fp_line (start 9.18 0) (end 8.29 0) (layer F.SilkS) (width 0.12))
(fp_line (start -1.05 -1.6) (end -1.05 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.05 1.6) (end 11.25 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 1.6) (end 11.25 -1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 -1.6) (end -1.05 -1.6) (layer F.CrtYd) (width 0.05))
(pad 1 thru_hole circle (at 0 0 270) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
(net 5 "Net-(Q1-Pad2)"))
(pad 2 thru_hole oval (at 10.16 0 270) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
(net 3 "Net-(J1-Pad2)"))
(model ${KISYS3DMOD}/Resistors_THT.3dshapes/R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal.wrl
(at (xyz 0 0 0))
(scale (xyz 0.393701 0.393701 0.393701))
(rotate (xyz 0 0 0))
)
)
(module Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (layer F.Cu) (tedit 5A70EC38) (tstamp 5A70E31E)
(at 138.684 82.296 270)
(descr "Resistor, Axial_DIN0207 series, Axial, Horizontal, pin pitch=10.16mm, 0.25W = 1/4W, length*diameter=6.3*2.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf")
(tags "Resistor Axial_DIN0207 series Axial Horizontal pin pitch 10.16mm 0.25W = 1/4W length 6.3mm diameter 2.5mm")
(path /5A70EEBF)
(fp_text reference R2 (at 5.588 2.54 360) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value 6k8 (at 5.08 2.31 270) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start 1.93 -1.25) (end 1.93 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 1.93 1.25) (end 8.23 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 1.25) (end 8.23 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 -1.25) (end 1.93 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 0 0) (end 1.93 0) (layer F.Fab) (width 0.1))
(fp_line (start 10.16 0) (end 8.23 0) (layer F.Fab) (width 0.1))
(fp_line (start 1.87 -1.31) (end 1.87 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 1.87 1.31) (end 8.29 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 1.31) (end 8.29 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 -1.31) (end 1.87 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 0.98 0) (end 1.87 0) (layer F.SilkS) (width 0.12))
(fp_line (start 9.18 0) (end 8.29 0) (layer F.SilkS) (width 0.12))
(fp_line (start -1.05 -1.6) (end -1.05 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.05 1.6) (end 11.25 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 1.6) (end 11.25 -1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 -1.6) (end -1.05 -1.6) (layer F.CrtYd) (width 0.05))
(pad 1 thru_hole circle (at 0 0 270) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
(net 10 "Net-(D1-Pad2)"))
(pad 2 thru_hole oval (at 10.16 0 270) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
(net 8 "Net-(Q2-Pad1)"))
(model ${KISYS3DMOD}/Resistors_THT.3dshapes/R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal.wrl
(at (xyz 0 0 0))
(scale (xyz 0.393701 0.393701 0.393701))
(rotate (xyz 0 0 0))
)
)
(module Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (layer F.Cu) (tedit 5A70EDE0) (tstamp 5A70E323)
(at 148.336 82.296)
(descr "Resistor, Axial_DIN0207 series, Axial, Horizontal, pin pitch=10.16mm, 0.25W = 1/4W, length*diameter=6.3*2.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf")
(tags "Resistor Axial_DIN0207 series Axial Horizontal pin pitch 10.16mm 0.25W = 1/4W length 6.3mm diameter 2.5mm")
(path /5A70EF3B)
(fp_text reference R3 (at 6.096 2.032) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value 1 (at 5.08 2.31) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start 1.93 -1.25) (end 1.93 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 1.93 1.25) (end 8.23 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 1.25) (end 8.23 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 -1.25) (end 1.93 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 0 0) (end 1.93 0) (layer F.Fab) (width 0.1))
(fp_line (start 10.16 0) (end 8.23 0) (layer F.Fab) (width 0.1))
(fp_line (start 1.87 -1.31) (end 1.87 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 1.87 1.31) (end 8.29 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 1.31) (end 8.29 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 -1.31) (end 1.87 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 0.98 0) (end 1.87 0) (layer F.SilkS) (width 0.12))
(fp_line (start 9.18 0) (end 8.29 0) (layer F.SilkS) (width 0.12))
(fp_line (start -1.05 -1.6) (end -1.05 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.05 1.6) (end 11.25 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 1.6) (end 11.25 -1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 -1.6) (end -1.05 -1.6) (layer F.CrtYd) (width 0.05))
(pad 1 thru_hole circle (at 0 0) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
(net 9 "Net-(Q3-Pad3)"))
(pad 2 thru_hole oval (at 10.16 0) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
(net 7 "Net-(Q2-Pad2)"))
(model ${KISYS3DMOD}/Resistors_THT.3dshapes/R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal.wrl
(at (xyz 0 0 0))
(scale (xyz 0.393701 0.393701 0.393701))
(rotate (xyz 0 0 0))
)
)
(module Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (layer F.Cu) (tedit 5A70EC89) (tstamp 5A70E328)
(at 142.748 86.36 270)
(descr "Resistor, Axial_DIN0207 series, Axial, Horizontal, pin pitch=10.16mm, 0.25W = 1/4W, length*diameter=6.3*2.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf")
(tags "Resistor Axial_DIN0207 series Axial Horizontal pin pitch 10.16mm 0.25W = 1/4W length 6.3mm diameter 2.5mm")
(path /5A70EE1E)
(fp_text reference R4 (at 8.128 2.032 360) (layer F.SilkS)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_text value 150 (at 5.08 2.31 270) (layer F.Fab)
(effects (font (size 1 1) (thickness 0.15)))
)
(fp_line (start 1.93 -1.25) (end 1.93 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 1.93 1.25) (end 8.23 1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 1.25) (end 8.23 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 8.23 -1.25) (end 1.93 -1.25) (layer F.Fab) (width 0.1))
(fp_line (start 0 0) (end 1.93 0) (layer F.Fab) (width 0.1))
(fp_line (start 10.16 0) (end 8.23 0) (layer F.Fab) (width 0.1))
(fp_line (start 1.87 -1.31) (end 1.87 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 1.87 1.31) (end 8.29 1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 1.31) (end 8.29 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 8.29 -1.31) (end 1.87 -1.31) (layer F.SilkS) (width 0.12))
(fp_line (start 0.98 0) (end 1.87 0) (layer F.SilkS) (width 0.12))
(fp_line (start 9.18 0) (end 8.29 0) (layer F.SilkS) (width 0.12))
(fp_line (start -1.05 -1.6) (end -1.05 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start -1.05 1.6) (end 11.25 1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 1.6) (end 11.25 -1.6) (layer F.CrtYd) (width 0.05))
(fp_line (start 11.25 -1.6) (end -1.05 -1.6) (layer F.CrtYd) (width 0.05))
(pad 1 thru_hole circle (at 0 0 270) (size 1.6 1.6) (drill 0.8) (layers *.Cu *.Mask)
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(export (version D)
(design
(source /usr/src/hlovdal/forks-github/AmsToMqttBridge/Electrical/Board_003/mbus_master.sch)
(date "to. 01. feb. 2018 kl. 20.58 +0100")
(tool "Eeschema 4.0.7")
(sheet (number 1) (name /) (tstamps /)
(title_block
(title)
(company)
(rev)
(date)
(source mbus_master.sch)
(comment (number 1) (value ""))
(comment (number 2) (value ""))
(comment (number 3) (value ""))
(comment (number 4) (value "")))))
(components
(comp (ref J2)
(value Conn_01x02)
(footprint Pin_Headers:Pin_Header_Straight_1x02_Pitch1.27mm)
(libsource (lib conn) (part Conn_01x02))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C5520))
(comp (ref J1)
(value Conn_01x02)
(footprint Pin_Headers:Pin_Header_Straight_1x02_Pitch1.27mm)
(libsource (lib conn) (part Conn_01x02))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C56AB))
(comp (ref Q1)
(value BC337)
(footprint TO_SOT_Packages_THT:TO-92_Molded_Narrow)
(libsource (lib transistors) (part BC337))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C58F3))
(comp (ref R1)
(value 1k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C5956))
(comp (ref D1)
(value D_Zener_Small_ALT)
(footprint Diodes_THT:D_A-405_P7.62mm_Horizontal)
(libsource (lib device) (part D_Zener_Small_ALT))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C5A7F))
(comp (ref J3)
(value Conn_01x02)
(footprint Pin_Headers:Pin_Header_Straight_1x02_Pitch1.27mm)
(libsource (lib conn) (part Conn_01x02))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C5F4D))
(comp (ref Q4)
(value BD136)
(footprint TO_SOT_Packages_THT:TO-126_Vertical)
(libsource (lib transistors) (part BD136))
(sheetpath (names /) (tstamps /))
(tstamp 5A6C614C))
(comp (ref R6)
(value 220k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5A70E602))
(comp (ref R5)
(value 22k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5A70EB33))
(comp (ref Q3)
(value BC337)
(footprint TO_SOT_Packages_THT:TO-92_Molded_Narrow)
(libsource (lib transistors) (part BC337))
(sheetpath (names /) (tstamps /))
(tstamp 5A70ED17))
(comp (ref Q2)
(value BC337)
(footprint TO_SOT_Packages_THT:TO-92_Molded_Narrow)
(libsource (lib transistors) (part BC337))
(sheetpath (names /) (tstamps /))
(tstamp 5A70EDBB))
(comp (ref R4)
(value 150)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5A70EE1E))
(comp (ref R2)
(value 6k8)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5A70EEBF))
(comp (ref R3)
(value 1)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5A70EF3B)))
(libparts
(libpart (lib transistors) (part BC547)
(aliases
(alias BC546)
(alias BC548)
(alias BC549)
(alias BC550)
(alias BC337)
(alias BC338))
(description "45V Vce, 0.1A Ic, NPN, Small Signal Transistor, TO-92")
(docs http://www.fairchildsemi.com/ds/BC/BC547.pdf)
(footprints
(fp TO?92*))
(fields
(field (name Reference) Q)
(field (name Value) BC547)
(field (name Footprint) TO_SOT_Packages_THT:TO-92_Molded_Narrow))
(pins
(pin (num 1) (name C) (type passive))
(pin (num 2) (name B) (type input))
(pin (num 3) (name E) (type passive))))
(libpart (lib transistors) (part BD140)
(aliases
(alias BD136)
(alias BD138)
(alias BD234)
(alias BD236)
(alias BD238))
(description "Vce 80V, Ic 1.5A, Low Voltage Transistor, TO-126")
(docs http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00001225.pdf)
(footprints
(fp TO?126*))
(fields
(field (name Reference) Q)
(field (name Value) BD140)
(field (name Footprint) TO_SOT_Packages_THT:TO-126_Vertical))
(pins
(pin (num 1) (name E) (type passive))
(pin (num 2) (name C) (type passive))
(pin (num 3) (name B) (type input))))
(libpart (lib conn) (part Conn_01x02)
(description "Generic connector, single row, 01x02")
(docs ~)
(footprints
(fp Connector*:*_??x*mm*)
(fp Connector*:*1x??x*mm*)
(fp Pin?Header?Straight?1X*)
(fp Pin?Header?Angled?1X*)
(fp Socket?Strip?Straight?1X*)
(fp Socket?Strip?Angled?1X*))
(fields
(field (name Reference) J)
(field (name Value) Conn_01x02))
(pins
(pin (num 1) (name Pin_1) (type passive))
(pin (num 2) (name Pin_2) (type passive))))
(libpart (lib device) (part D_Zener_Small_ALT)
(description "Zener Diode, small symbol, alternativ symbol")
(docs https://en.wikipedia.org/wiki/Zener_diode)
(footprints
(fp TO-???*)
(fp *SingleDiode)
(fp *_Diode_*)
(fp *SingleDiode*)
(fp D_*))
(fields
(field (name Reference) D)
(field (name Value) D_Zener_Small_ALT))
(pins
(pin (num 1) (name K) (type passive))
(pin (num 2) (name A) (type passive))))
(libpart (lib device) (part R)
(description Resistor)
(footprints
(fp R_*)
(fp R_*))
(fields
(field (name Reference) R)
(field (name Value) R))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive)))))
(libraries
(library (logical device)
(uri /usr/share/kicad/library/device.lib))
(library (logical transistors)
(uri /usr/share/kicad/library/transistors.lib))
(library (logical conn)
(uri /usr/share/kicad/library/conn.lib)))
(nets
(net (code 1) (name "Net-(Q2-Pad2)")
(node (ref Q2) (pin 2))
(node (ref R3) (pin 2)))
(net (code 2) (name "Net-(Q2-Pad1)")
(node (ref Q2) (pin 1))
(node (ref Q3) (pin 2))
(node (ref R2) (pin 2)))
(net (code 3) (name GND)
(node (ref J2) (pin 1))
(node (ref Q4) (pin 2))
(node (ref J1) (pin 1))
(node (ref Q1) (pin 3))
(node (ref R5) (pin 2)))
(net (code 4) (name /MBus-)
(node (ref J3) (pin 1))
(node (ref Q4) (pin 1))
(node (ref R6) (pin 2)))
(net (code 5) (name "Net-(Q3-Pad3)")
(node (ref R3) (pin 1))
(node (ref R4) (pin 1))
(node (ref Q3) (pin 3)))
(net (code 6) (name "Net-(Q1-Pad1)")
(node (ref Q2) (pin 3))
(node (ref Q1) (pin 1))
(node (ref R4) (pin 2)))
(net (code 7) (name "Net-(J1-Pad2)")
(node (ref R1) (pin 2))
(node (ref J1) (pin 2)))
(net (code 8) (name "Net-(Q1-Pad2)")
(node (ref Q1) (pin 2))
(node (ref R1) (pin 1)))
(net (code 9) (name /EXT_PWR)
(node (ref R6) (pin 1))
(node (ref D1) (pin 1))
(node (ref J3) (pin 2))
(node (ref J2) (pin 2)))
(net (code 10) (name "Net-(D1-Pad2)")
(node (ref Q4) (pin 3))
(node (ref D1) (pin 2))
(node (ref R5) (pin 1))
(node (ref Q3) (pin 1))
(node (ref R2) (pin 1)))))

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update=lø. 27. jan. 2018 kl. 11.31 +0100
version=1
last_client=kicad
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PadDrillOvalY=0.600000000000
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[eeschema/libraries]
LibName1=power
LibName2=device
LibName3=switches
LibName4=relays
LibName5=motors
LibName6=transistors
LibName7=conn
LibName8=linear
LibName9=regul
LibName10=74xx
LibName11=cmos4000
LibName12=adc-dac
LibName13=memory
LibName14=xilinx
LibName15=microcontrollers
LibName16=dsp
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LibName19=motorola
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LibName25=philips
LibName26=display
LibName27=cypress
LibName28=siliconi
LibName29=opto
LibName30=atmel
LibName31=contrib
LibName32=valves
[general]
version=1

394
Electrical/Board_003/mbus_master.sch Normal file
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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:switches
LIBS:relays
LIBS:motors
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:mbus_master-cache
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EELAYER END
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encoding utf-8
Sheet 1 1
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Date ""
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Comment4 ""
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F 3 "" H 2900 3300 50 0001 C CNN
1 2900 3300
-1 0 0 1
$EndComp
$Comp
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1 0 0 -1
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Connection ~ 3250 3300
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$EndComp
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Text Notes 2050 3350 0 60 ~ 0
External power\n25-40V
$Comp
L Conn_01x02 J1
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F 3 "" H 2300 6800 50 0001 C CNN
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-1 0 0 1
$EndComp
Text Notes 1300 6800 0 60 ~ 0
Input signal, TTL\nSendt to m-bus
$Comp
L GND #PWR04
U 1 1 5A6C5767
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F 1 "GND" H 2650 6750 50 0000 C CNN
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F 3 "" H 2650 6900 50 0001 C CNN
1 2650 6900
1 0 0 -1
$EndComp
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Wire Wire Line
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$Comp
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F 3 "" H 3750 6700 50 0001 L CNN
1 3750 6700
1 0 0 -1
$EndComp
$Comp
L R R1
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F 1 "1k" V 3200 6700 50 0000 C CNN
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F 3 "" H 3200 6700 50 0001 C CNN
1 3200 6700
0 1 1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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L GND #PWR05
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F 3 "" H 3850 7100 50 0001 C CNN
1 3850 7100
1 0 0 -1
$EndComp
Wire Wire Line
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$Comp
L D_Zener_Small_ALT D1
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F 2 "Diodes_THT:D_A-405_P7.62mm_Horizontal" V 5750 3500 50 0001 C CNN
F 3 "" V 5750 3500 50 0001 C CNN
1 5750 3500
0 1 1 0
$EndComp
$Comp
L GND #PWR06
U 1 1 5A6C5BFD
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$EndComp
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Wire Wire Line
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Wire Wire Line
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Connection ~ 5750 4000
$Comp
L Conn_01x02 J3
U 1 1 5A6C5F4D
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Wire Wire Line
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MBus-
$Comp
L BD136 Q4
U 1 1 5A6C614C
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1 0 0 1
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Wire Wire Line
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Connection ~ 7550 3200
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L GND #PWR07
U 1 1 5A6C640E
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1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 7550 3750
Text Notes 9250 3450 0 60 ~ 0
M-bus output signal
Wire Wire Line
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Text Notes 3000 1650 0 60 ~ 0
Schematic based on https://github.com/rscada/libmbus/blob/master/hardware/MBus_USB.pdf\nmentioned in https://electronics.stackexchange.com/a/214477/568.\n\nRemoved all Rx support. Made more robust by using a zener diode so that the voltage drop is exact and that supply voltage does not matter.
Wire Notes Line
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Wire Notes Line
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Wire Notes Line
8750 1800 2900 1800
Wire Notes Line
2900 1800 2900 1250
$Comp
L R R6
U 1 1 5A70E602
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1 0 0 -1
$EndComp
$Comp
L R R5
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1 0 0 -1
$EndComp
$Comp
L BC337 Q3
U 1 1 5A70ED17
P 4900 4800
F 0 "Q3" H 5100 4875 50 0000 L CNN
F 1 "BC337" H 5100 4800 50 0000 L CNN
F 2 "TO_SOT_Packages_THT:TO-92_Molded_Narrow" H 5100 4725 50 0001 L CIN
F 3 "" H 4900 4800 50 0001 L CNN
1 4900 4800
1 0 0 -1
$EndComp
$Comp
L BC337 Q2
U 1 1 5A70EDBB
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F 1 "BC337" H 4400 5100 50 0000 L CNN
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1 4200 5100
-1 0 0 -1
$EndComp
$Comp
L R R4
U 1 1 5A70EE1E
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1 5000 5400
1 0 0 -1
$EndComp
$Comp
L R R2
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1 0 0 -1
$EndComp
$Comp
L R R3
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F 1 "1" V 4650 5100 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4580 5100 50 0001 C CNN
F 3 "" H 4650 5100 50 0001 C CNN
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0 1 1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 4100 4800
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 4700 5700
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Notes Line
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Wire Notes Line
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Wire Notes Line
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Text Notes 4100 6000 0 60 ~ 0
Current limit, ca 8mA
Wire Wire Line
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$EndSCHEMATC

1
Electrical/Board_003/simulation/.gitignore vendored Normal file
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*.dat.ngspice

11
Electrical/Board_003/simulation/README.md Normal file
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This directory contains various simulation of the M-Bus part of [MBus_USB.pdf](../doc/MBus_USB.pdf?raw=true).
The simulattions are done with [qucs-s](https://ra3xdh.github.io/) using [ngspice](http://ngspice.sourceforge.net)
as simulation backend.
The first simulation is as close to the original as possible and gradulally changed to
remove receiving parts and using a zener diode to have a constant 12V voltage drop
regardless of the power supply. The final version works with any voltage in M-Bus range.
![](mbus_master_004.png)

BIN
Electrical/Board_003/simulation/current_limit.png Normal file
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33
Electrical/Board_003/simulation/current_limit.qucs-s.dpl Normal file
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<DataSet=current_limit.qucs-s.dat>
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80
Electrical/Board_003/simulation/current_limit.qucs-s.sch Normal file
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40
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32
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72
Electrical/Board_003/simulation/mbus_master_003.qucs-s.sch Normal file
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Electrical/Board_003/simulation/minimaster_002.qucs-s.dpl Normal file
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<Qucs Schematic 0.0.20>
<Properties>
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<DataSet=minimaster_002.qucs-s.dat>
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<GND * 1 170 700 0 0 0 0>
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<R_SPICE R5 1 1240 490 15 -26 0 1 "8k2" 1 "" 0 "" 0 "" 0 "" 0>
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<GND * 1 400 580 0 0 0 0>
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<"ngspice/minimaster_002:v(mbusplus)" #0000ff 0 3 0 0 0>
<"ngspice/minimaster_002:v(txd)" #ff0000 0 3 0 0 0>
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<Paintings>
<Text 80 840 12 #000000 0 "Simular to minimaster_001, but stripping down to just care for TxD.\n\nTxD is simulated as a +/-10 V pulse.\n">
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41
Electrical/Board_003/simulation/minimaster_003.qucs-s.dpl Normal file
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<Qucs Schematic 0.0.20>
<Properties>
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109
Electrical/Board_003/simulation/minimaster_003.qucs-s.sch Normal file
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<Qucs Schematic 0.0.20>
<Properties>
<View=40,-7,1797,945,0.850882,0,0>
<Grid=10,10,1>
<DataSet=minimaster_003.qucs-s.dat>
<DataDisplay=minimaster_003.qucs-s.dpl>
<OpenDisplay=1>
<Script=minimaster_003.qucs-s.m>
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<FrameText0=Title>
<FrameText1=Drawn By:>
<FrameText2=Date:>
<FrameText3=Revision:>
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<Symbol>
</Symbol>
<Components>
<Vdc V1 1 220 90 18 -26 0 1 "15 V" 1>
<C C1 1 320 90 17 -26 0 1 "1 pF" 1 "" 0 "neutral" 0>
<Vdc V2 1 200 730 18 -26 0 1 "15 V" 1>
<C C2 1 290 730 17 -26 0 1 "1 pF" 1 "" 0 "neutral" 0>
<GND * 1 220 150 0 0 0 0>
<GND * 1 170 700 0 0 0 0>
<.DC DC1 1 110 260 0 37 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "150" 0 "no" 0 "none" 0 "CroutLU" 0>
<_BJT BC337AP_1 1 1640 330 8 -26 0 0 "npn" 0 "3.94e-14" 0 "1" 0 "0.974" 0 "0.8" 0 "0.1" 0 "109.4" 0 "14.25" 0 "7.4e-15" 0 "1.3" 0 "3.16e-13" 0 "1.2" 0 "175" 0 "20.5" 0 "0" 0 "0" 0 "0.0539" 0 "0.1259" 0 "1.1" 0 "6.3e-11" 0 "0.75" 0 "0.33" 0 "1.58e-11" 0 "0.505" 0 "0.39" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "7.5e-10" 0 "0" 0 "0" 0 "0" 0 "8.5e-08" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "0" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R_SPICE R11 1 1640 660 15 -26 0 1 "220k" 1 "" 0 "" 0 "" 0 "" 0>
<R_SPICE R8 1 1540 130 15 -26 0 1 "15k" 1 "" 0 "" 0 "" 0 "" 0>
<R_SPICE R9 1 1540 690 15 -26 0 1 "3k3" 1 "" 0 "" 0 "" 0 "" 0>
<R_SPICE R2 1 610 480 -28 19 0 2 "3k3" 1 "" 0 "" 0 "" 0 "" 0>
<Diode D_1N4148_2 1 880 430 -115 -21 0 3 "222p" 1 "1.65" 1 "4p" 0 "0.333" 0 "0.7" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "68.6m" 0 "5.76n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "75" 0 "1u" 0 "26.85" 0 "3.0" 0 "1.11" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "1.0" 0 "normal" 0>
<GND * 1 400 580 0 0 0 0>
<Vdc V3 1 400 510 18 -26 0 1 "1.6V" 1>
<R_SPICE R6 1 1420 710 15 -26 0 1 "2k2" 1 "" 0 "" 0 "" 0 "" 0>
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<R_SPICE R7 1 1080 520 15 -26 0 1 "6k8" 1 "" 0 "" 0 "" 0 "" 0>
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<IProbe Pr1 1 880 510 16 -26 0 1>
<.SW SW1 1 360 180 0 59 0 0 "DC1" 1 "lin" 1 "V3" 1 "0V" 1 "15V" 1 "301" 1 "false" 0>
<GND * 1 1360 380 0 0 0 0>
<R_SPICE R5 1 1420 400 15 -26 0 1 "8k2" 1 "" 0 "" 0 "" 0 "" 0>
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<IProbe Pr2 1 1420 510 -41 -26 0 3>
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<Text 80 840 12 #000000 0 "Same as minimaster_002, but rearranging symbol placement a little.\nAnd removing R10 since only relevant for RX.\n\n">
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10
Electrical/README.md
View File

@ -28,3 +28,13 @@ This [board design](Board_002) is a newer alternative to the original. It
### Status
Unfinished, just started.
## Board 3
This [board](Board_003) is a M-bus master simulator to be able to develop and
test the other boards without being dependent on having and using a real
AMS unit.
### Status
Implementation done.