Vaisala WAC155, Руководство пользователя

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Pin Number Signal Description
8 SD1+ RS-485 non-inverting I/O
Table 5 Wind Direction Sensor Connector (X3) Pinout
Pin Number Signal Description
1 HTC Heating common for heater serial connection
2 HT2 Heating supply return to connector X2
3 GND Sensor ground
4 D+ Supply voltage output to sensor
5 G5 Gray code input from sensor, bit 5
6 G4 Gray code input from sensor, bit 4
7 G3 Gray code input from sensor, bit 3
8 G2 Gray code input from sensor, bit 2
9 G1 Gray code input from sensor, bit 1
10 G0 Gray code input from sensor, bit 0
11 AIP+ Reserved for analog vane
3.4.1 Cable Connections
The transmitter connects the wind sensors with the cross arm standard cables through 2 cable
glands. Through the cables, the WAC155 transmitter both feeds the sensor power and receives
wind data. Plug
‑
in type screw terminal connectors are provided both for the sensor cables and
the output line cable.
The following figure shows the standard cable connections with sensor heating elements
connected in series.
WAC155 User Guide M210822EN-E
16