This document describes how to wire your WMT700 equipped with an integrated cable (ASM215829). The unit delivered to you is a standard WMT700 equipped with an integrated hybrid cable. The cable is factory-mounted to the sensor body.
| WARNING Make sure that you prepare only de-energized wires. |
| CAUTION Do not try to open or modify the bottom connector of WMT700. The connector is not detachable and opening it may damage the sensor. |
For more information about WMT700 cables, see WMT700 User Guide (M211095EN) in docs.vaisala.com.
Connect the wires of the cable according to the following table.
| Pin | Description | Hybrid cable | ||||
|---|---|---|---|---|---|---|
| Fully heated WMT700 | ||||||
| 1 | Operating power supply | Brown 0.25 mm2 | ||||
| 11 | Operating power supply ground | Blue 0.25 mm2 | ||||
| 5 | Heater power supply | White/red 1.0 mm2 | ||||
| 6 | Red 1.0 mm2 | |||||
| 7 | Heater power supply ground | Black 1.0 mm2 | ||||
| 8 | White/black 1.0 mm2 | |||||
| Shield | Enclosure ground | |||||
| Analog outputs | ||||||
| 2 | Analog output AOUT2, wind direction | White/violet 0.14 mm2 | ||||
| 13 | Analog output AOUT1, wind speed | Violet 0.14 mm2 | ||||
| 17 | Reference input for AOUT2 (simulated potentiometer) | White/gray 0.14 mm2 | ||||
| 12 | Analog output ground | Gray 0.14 mm2 | ||||
| COM port | RS-232 | RS-422 | RS-485 | SDI-12 | ||
| 3 | COM2 | RS232Rx | RX- | RX- | - | Green 0.14 mm2 |
| 4 | RS232Tx | TX- | TX- | Data | Orange 0.14 mm2 | |
| 14 | - | TX+ | TX+ | - | White/orange 0.14 mm2 | |
| 15 | - | RX+ | RX+ | - | White/green 0.14 mm2 | |
| 10 | COM1 and COM2 communication ports ground | White/blue 0.14 mm2 | ||||
| 9 | COM1 service port | RS-485 – | White/pink 0.14 mm2 | |||
| 16 | RS-485 + | Pink 0.14 mm2 | ||||