Communications Card Description ZB4-601-IF1, ZB4-609-IF1 4-39
Moeller 07/01 AWB-C2700-1347GB
8.15 Westinghouse
WESTINGHOUSE
PLC Type Protocol PLC Port Parameters
PC1100/1200
Modbus RTU “D” Connector
NL1075/NL1075B
9600 baud, 8 data bits, 1 stop bit, parity even
DRIVER DESIGNATION (11, 1) : BUS > MB RTU1 (MPB.BIN)
SUPPORTED DATA TYPES : R, M
WIRING LIST
RS 485 RS 485
Signal Pin Pin Signal
A3 9A
SG 5 18 SG
B7 17B
ZB4-601/609-IF1 “D” Connector
(9 pole male)
(25 pole female)
Signal Pin Pin Signal
A3 8A
SG 5 6 SG
B7 2B
ZB4-601/609-IF1 NL1075/1075B
(9 pole male)
(Screw Terminal)
NOTES
• Two different data types are available. “R” are word registers and correspond to the “4x” registers. With
Westinghouse these are ”HR” registers.
“M” are marker or bit registers and correspond to “0x” registers. With Westinghouse these are ”Coils”.
• The station number under which the ZB4-601/609-IF1 is to address the PLC must be defined with the
“UA” command in the PLC (see also in UA command in the PLC manual).
• The port 3 (RS 485) for the interface parameters must also be defined with the CP command.
• The SW1 on the CPU board of the PC-1200 must be in the RS 485 position (all closed = RS 485
terminated/all open = RS 485 not terminated).
The first and last station in the line of a RS 485 network must be terminated (bus terminating resistors).
With a point-to-point connection on both devices in all cases (PLC and ZB4-601/609-IF1).
• Note particularly that all data words to be exchanged with the ZB4-601/609-IF1 are also defined in the
PLC. In the event of using HR registers, data can only be read or written that is also used in the PLC
program.