Honeywell P531 Operating Manual page 20

MODELS P531, P532 AND P532UI OPERATING MANUAL
MODULAR SCHEM
CONN. LABEL
1 NC
2 TX-
3 TX+
4 RX-
5 RX+
6 GND
CAUTION: The order of the colors in the cable can be TYPE A or TYPE B. Check colors at the connector.
FIGURE 3: Wiring of RS-422 to RS-232 Converter to processor
Page 17
COLOR COLOR
TYPE A TYPE B
WHI BLU
BLK YEL
RED GRN
GRN RED
YEL BLK
BLU WHI
INTERFACE DESCRIPTION
LABEL
NC NC
RD (A) FROM
PROCESSOR
RD (B) FROM
PROCESSOR
TD (A) TO
PROCESSOR
TD (B) TO
PROCESSOR
GND GROUND
+12VDC POWER
POWER
SUPPLY
-
-
-
-
-
GND
+12VDC