B
We are in a debate here, any information would be helpfull. Are there industry recommended standards for wiring PLC's. Ex. analog input would be xyz color and and digital input would be abc color
I know this is an old tread...nevertheless,In Europe control panels I have seen this standard.
1. Power - Black
2. Neutral - Light blue
3. Protection - green-yellow
4. Control volts 220V Ac-Red
5. Control Volts 24V AC-Red
6. Control Volts 24 V DC- dark blue
7. Analog Input - White
8. Analog output - Violet
9. Digital Input - Brown
10.Digital Output - Grey
11.External voltage(dry contact signals)-orange
11.Ex -i/d -blue (separated)
Also the terminal blocks are to be grouped as follows.
1. Power - X1
2. Protection - ground bus The ground bus is insulated from the panel back plate and back plate separately earthed to the busbar.
3. Control volts 220V Ac-X2
4. Control Volts 24V AC- X2
5. Control Volts 24 V DC-X3
6. Digital Input - X41
7. Digital Output - X42
8. Analog Input - X43
9. Analog output - X44
10.External voltage (dry contact outputs)- X5
11.Ex -i/d - X6 (separated)
Hope this helps
Regards.
Sekar
Thread starter | Similar threads | Forum | Replies | Date |
---|---|---|---|---|
PLC wiring check | Programmable Logic Controller - PLC | 3 | ||
J | Wiring 24DC Fan to Nano 10 PLC - high school student please help | Programmable Logic Controller - PLC | 3 | |
N | PLC wiring | Programmable Logic Controller - PLC | 1 | |
Z | Basic wiring for PLC | Programmable Logic Controller - PLC | 2 | |
A | Twido PLC Wiring | Programmable Logic Controller - PLC | 0 |