ABB C1300, User Manual Supplement

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C1300
Advanced Circular Chart Recorder 2 Electrical Installation
6 IM/C1300–MOD Rev. C
2.6 Serial Connections
All connections, apart from those for serial data communication, are made as shown in Section 5 of the User Guide (IM/C1300) .
Make serial data connections as shown in Fig. 2.4. The type of cable used is dependent on the cable length:
Note.

Up to 10 slaves can be connected to a single RS422 adaptor card on a PC.

Up to 32 slaves can be connected to a single RS485 adaptor card on a PC.

The maximum serial data transmission line length for both RS422 and RS485 systems is 1200m (3,937 ft).
Up to 6m (20 ft) – standard screened or twisted pair cable
Up to 300m (984 ft) – twin twisted pair with overall foil screen and an integral drain wire, e.g. Belden 9502 or equivalent
Up to 1200m (3,937 ft) – twin twisted pair with separate foil screens and integral drain wires for each pair,
e.g. Belden 9729 or equivalent
Fig. 2.4 Serial Module Connections
C1300 Serial Module Terminal Board OPTO22 Board Pin Identification
Terminal Number Connections Part Number AC24 AT & AC34 Connections
4 TX+
4
8 TX+
RX+
5 TX–
5
9 TX–
RX–
8 GND 3 GND
Table 2.1 Terminal and Pin Identification for 2-wire Operation
C1300 Serial Module Terminal Board OPTO22 Board Pin Identification
Terminal Number Connections Part Number AC24 AT & AC34 Connections
4 TX+ 8 RX+
5 TX– 9 RX–
6 RX– 5 TX–
7 RX+ 4 TX+
8 GND 3 GND
Table 2.2 Terminal and Pin Identification for 4-wire Operation
OPTO22 Adaptor
Board Connections
4
7
6
Serial Module
Connections
5
8
Tx+
Tx–
GND
Tx+
Tx–
Rx+
Rx–
GND
8
5
4
9
3
Screen
A – Connections for 2-wire Operation
4
7
6
Serial Module
Connections
5
8
Tx+
Tx–
Rx+
Rx–
GND
Tx+
Tx–
Rx+
Rx–
GND
OPTO22 Adaptor
Board Connections
8
5
4
9
3
Screen
B – Connections for 4-wire Operation