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ADDRESS
ADDRESS
NOTES: A CONVERTER MAY BE NECESSARY FOR COMMUNICATION WITH THE MODBUS MASTER CONTROL.
Fig. 8. Typical Communication Wiring and Recommended Addressing.
NOTE: Refer to Fig. 9 for converter to RJ11 wiring details.
PRODUCT
SIDE
A
TDA(–)
B
TDB(+)
C
RDA(–)
D
RDB(+)
E
GND
NOTES:
SELECT THE APPROPRIATE DIP SWITCH SETTINGS FOR RS-422 COMMUNICATION PER THE VENDOR'S INSTRUCTION SHEET.
RJ11 CONNECTOR IS CUSTOMER SUPPLIED AND WIRED.
SOFTWARE DRIVERS MAY BE DOWNLOADED FROM B&B ELECTRONICS' WEBSITE.
HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD
1
BOILER
BNR 1
BNR 2
11
12
BNR 1
BNR 2
31
32
BOILER 3
MODBUS
MASTER CONTROL
USE SHIELDED CABLE FOR COMMUNICATION WIRING.
DRAWING IS FOR GENERAL REFERENCE ONLY.
FOR RS422 COMMUNICATION WITH THE 700ACSP OR 700DCSP, AN RJ11 CONNECTOR WITH 5 WIRES
FROM EACH SIGNAL PROCESSOR WILL BE REQUIRED (RDA-, RDB+, TDA-, TDB+, GND), FOLLOWING
POLARITY FROM EACH SIGNAL PROCESSOR.
SIDE VIEW
BOTTOM VIEW
WIRE
SIDE
NC
MODULAR
CONNECTOR
CAUTION: THE ORDER OF THE COLORS IN THE CABLE CAN BE TYPE A OR TYPE B.
Fig. 9. COMMOD Communication Converter Wiring.
BNR 3
BNR 4
13
14
BNR 3
BNR 4
33
34
USB TO RS422/485 CONVERTER
RJ11
COLOR TYPE A
COLOR TYPE B
1
WHI
BLU
2
BLK
YEL
3
RED
GRN
4
GRN
RED
5
YEL
BLK
6
BLU
WHI
CHECK COLORS AT THE CONNECTOR.
19
BNR 5
BNR 6
15
16
M34457
CONVERTER
DESCRIPTION
CONNECTOR
NC
NC
RDA (-)
FROM PROCESSOR
RDB (+)
FROM PROCESSOR
TDA (-)
TO PROCESSOR
TDB (+)
TO PROCESSOR
GND
GROUND
M33831A
66-2069EP—08
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