PLCDuino

9 months ago 339
  • Description
  • Documents
  • BOM
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Description

This my first take on an Arduino Nano PLC(ish) device. It uses standard discrete components and thus is rather cheap to build. But discrete components do take up a bit more space.

The inputs can accept up to 24v and are connected to the analoge pins, using optocouplers the inputs are electrically isolated from the Arduino. The outputs uses relays, the outputs from the relay uses an external source, that can be, with current relays, up to 250VAC or 30VDC. Outputs are grouped with 3,3,2 relays per group, 8 in total.

This version only has 8 relays, and an extra port added (P9) this is specifically ment to be used with an ethernet adaptor (ENC28J60)

Documents

Sheet_1

Sheet_2

First layout

BOM

ID Name Designator Footprint Quantity
1 SRD-05VDC-SL-C RELAY1,RELAY2,RELAY3,RELAY4,RELAY5,RELAY6,RELAY7,RELAY8 RELAY-SL-SRD 8
2 1N4007 D1,D2,D3,D4,D5,D6,D7,D8 DO-35 8
3 100 R1,R2,R3,R4,R5,R6,R7,R8 AXIAL-0.3 8
4 Terminal P1,P2,P3 WJ2EDGV-5.08-4P 3
5 LED-5MM LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9 LED-5MM/2.54 8
6 270 R14,R16,R17,R18,R19,R20,R21,R22,R13 AXIAL-0.3 9
7 BC547 Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8 TO-92V 8
8 10K R15 AXIAL-0.3 1
9 ARDUINO_NANO U1 ARDUINO_NANO 1
10 Terminal P7,P8 WJ2EDGVC-5.08-9P 2
11 PowerJack J1 POWER_JACK_SLOT! 1
12 L7805ABV U2 TO-220(TO-220-3) 1
13 PC817 U3,U4,U5,U6,U7,U8,U9,U10 DIP-4 8
14 Terminal P9 HDR-IDC-2.54-2X3P 1
15 2k7 R27,R29,R31,R33,R35,R37,R39,R41 AXIAL-0.3 8
16 10k R28,R30,R32,R34,R36,R38,R40,R42 AXIAL-0.3 8
17 47u C3,C4 CAP-D5.0XF2.0 2
18 Terminal P6,P5 WJ2EDGVC-5.08-2P 2
19 LED-3MM LED1 LED-3MM/2.54 1
20 100n C1,C2 RAD-0.1 2

Attachments

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Members

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