ABB AC500 PLC Hardware Manual page 1278

System Assembly, Construction and Connection
AC500 (Standard) > Connection and Wiring
2.6.4.5 Terminals for CANopen/DeviceNet Communication Modules
Fig. 231: Combicon, 5-pole, female, removable plug with spring terminals
Fig. 232: Combicon, 5-pole, female, removable plug with spring terminals
Terminal type:
Number of cores
Spring terminal
per terminal
1
1
1 with wire end fer-
rule (without plastic
sleeve)
1 with wire end fer-
rule (with plastic
sleeve)
2.6.4.6 Serial Interface COM1 of the Terminal Bases
The serial interface COM1 is connected via a removable 9-pin terminal block. It is configurable
for RS-232 or RS-485 and can be used for:
● Online access (not valid for PM56xx),
● A free protocol,
● Modbus RTU, client and server,
● CS31 system bus, as master only (not valid for PM56xx)
Bus" on page 1282.
1278
Conductor type
solid
flexible
flexible
flexible
Pin Signal
1 Terminator P
2 RxD/TxD-P
3 RxD/TxD-N
3ADR010121, 13, en_US
Cross section
0.2 mm² to 2.5 mm²
0.2 mm² to 2.5 mm²
0.25 mm² to 2.5 mm²
0.25 mm² to 2.5 mm²
Ä Chapter 2.6.4.8 "CS31 System
Interface
RS-485
RS-485
RS-485
Stripped conductor
end
10 mm
10 mm
10 mm
10 mm
Description
Terminator P
Receive/Transmit,
positive
Receive/Transmit,
negative
2019/04/17