Vaisala WAC155, User Manual

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WAC155 has 3 plug-in I/O connectors: X1, X2, and X3. The terminals accept wires with
maximum cross-section area of 1.5 mm
2
.
Figure 6 I/O Connectors
For the location of the connectors and the cable routing through the cable glands, see Sensor
Wiring .
The following tables show the I/O connector pinouts.
Table 3 Anemometer Connector (X1) Pinout
Pin Number Signal Description
1 F Frequency input from sensor
2 F+ Supply voltage output to sensor
3 GND Sensor ground
4 HT1 Heating supply through control switch from X2
5 HTC Heating common for heater serial connection
Table 4 Power/Control Connector (X2) Pinout
Pin Number Signal Description
1 HT1+ Heating supply input (+)
2 HT2- Heating supply input (-)
3 Vin+ Supply voltage input
4 Vin+ Supply voltage input
5 Vin- Supply voltage ground
6 Vin- Supply voltage ground
7 SD1- RS-485 inverting I/O
Chapter 3 – Installation
15