Vaisala WMT700 - Manual (Page 83)

Chapter 4 ________________________________________________________________ Installation
Connector Signals
Figure 36 and Table 25 below describe the pin-out of the 17-pin
M23 connector as seen from the outside. The serial output type of
COM2 depends on the sensor configuration. Analog outputs are
always available from the connector.
1103-061
Figure 36 Pins for 17-Pin M23 Connector
Table 25 Pin-Out for 17-Pin M23 Connector
Pin Description RS-232 RS-422 RS-485 SDI-12
1 Operating Power Supply
2 Analog output AOUT2, Wind Direction
3
COM2
RS232Rx Rx– Rx– -
4 RS232Tx Tx– Tx– Data
5 Heater Power Supply
6 Heater Power Supply
7 Heater Power Supply Ground
8 Heater Power Supply Ground
9 COM1 (Service Port) RS-485, B
10 COM1 and COM2 Communication Ports Ground
11 Operating Power Supply Ground
12 Analog Output Ground
13 Analog Output AOUT1, Wind Speed
14
COM2
- Tx+ Tx+ -
15 - Rx+ Rx+ -
16 COM1
(Service port) RS-485+
17 Reference Input for AOUT2 (simulated potentiometer)
Shield Enclosure Ground
VAISALA ________________________________________________________________________ 81