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