Vaisala WXT510 - Manual (Page 41)

Chapter 5 _______________________________________________ Wiring and Power Management
VAISALA _______________________________________________________________________ 39
Wiring Using the 8-pin M12 Connector
(Optional)
External Wiring
If WXT510 is provided with the optional 8-pin M12 connector, the
connector is located on the bottom of the transmitter, see
Figure 4 on
page 18 . The pins of the 8-pin M12 connector as seen from outside the
transmitter are illustrated in the following figure.
0308-032 Figure 17 8-Pin M12 Connector Pins
The pin connections for the 8-pin M12 connector and the wire colors of
the respective M12 cable (optional, 2/10 m) are listed in the table below.
The signal names Data in (RxD) and Data out (TxD) in the table
describe the direction of data flow as seen from WXT510.
Table 2 Pin-outs for WXT510 Serial Interfaces and Power
Supplies
/------------------ Default wiring ------------------\ RS-422 wiring
Wire Color M12 Pin# RS-232 SDI-12 RS-485 RS-422
Blue 7 Data out (TxD) Data in/out (Tx) Data- Data in (RX-)
Gray 5 - - Data+ Data in (RX+)
White 1 Data in (RxD) Data in/out (Rx) - Data out (TX-)
Green 3 GND for data GND for data - Data out (TX+)
Pink 6 GND for Vh+ GND for Vh+ GND for Vh+ GND for Vh+
Yellow 4 Vh+ (heating) Vh+ (heating) Vh+ (heating) Vh+ (heating)
Red/Clear
1
1. Red in the internal wiring, clear in the cable (a non-insulated drain wire)
8 GND for Vin+ GND for Vin+ GND for Vin+ GND for Vin+
Brown 2 Vin+
(operating) Vin+
(operating) Vin+
(operating) Vin+
(operating)