User`s manual

Appendix D. Pinouts and Cable Wiring

Serial Port Pinouts

R2140 RS-485 Modbus Adapter Pin Assignment

Pin Assignment of Terminal Blocks

Power/RS-485

Pin123456

Signal V+ V- FG D+ D- SG

I/O (left to right)

Pin123456789101112

Signal Vin0+ Vin0- Vin1+ Vin1- Vin2+ Vin2- Vin3+ Vin3- Vin4+ Vin4- Vin5+ Vin5-

Pin 13 14 15 16 17 18 19 20 21 22 23 24

Signal Vin6+ Vin6- Vin7+ Vin7- Vout0+ Vout0- Iout0+ Iout0- Vout1+ Vout1- Iout1+ Iout1-

Vin0+

Vin0-

Vin1+

Vin1-

Vin2+

Vin2-

Vin3+

Vin3-

Vin4+

Vin4-

Vin5+

Vin5-

Vin6+

Vin6-

Vin7+

Vin7-

Vout0+

Vout0-

lout0+

lout0-

Vout1+

Vout1-

lout1+

lout1-