Vaisala WINDCAP WMT700 Series, Technical Notes

5.

Connect the wires according to the following table. 

This document lists the wire colors of WMT700 cables. You can differentiate the cables by the
wire colors.

Pin

Description

Hybrid

Cable

Standard

Cable

RS-485

Cable

Fully heated
WMT700

Other
WMT700
models

RS-485
connections

1

Operating power supply

Brown
0.25 mm

2

White
0.25 mm

2

White
0.25 mm

2

11

Operating power supply ground

Blue
0.25 mm

2

Gray/pink
0.25 mm

2

Gray/pink
0.25 mm

2

5

Heater power supply

White/red
1.0 mm

2

Gray
0.25 mm

2

Gray
0.25 mm

2

Green
0.25 mm

2

6

Red 1.0 mm

2

Pink
0.25 mm

2

Pink
0.25 mm

2

7

Heater power supply ground

Black
1.0 mm

2

Blue
0.25 mm

2

Blue
0.25 mm

2

Black
0.25 mm

2

8

White/black
1.0 mm

2

Red
0.25 mm

2

Red
0.25 mm

2

Yellow
0.25 mm

2

Shield Enclosure ground

Analog outputs

2

Analog output AOUT2, wind direction

White/violet
0.14 mm

2

Brown
0.25 mm

2

-

13

Analog output AOUT1, wind speed

Violet
0.14 mm

2

White/green
0.25 mm

2

-

17

Reference input for AOUT2 (simulated
potentiometer)

White/gray
0.14 mm

2

White/gray
0.25 mm

2

-

12

Analog output ground

Gray
0.14 mm

2

Red/blue
0.25 mm

2

-

COM
port

RS-232

RS-422 RS-485 SDI-12

3

COM2

RS232Rx RX-

RX-

-

Green
0.14 mm

2

Green
0.25 mm

2

Brown 0.25 
mm

2 

(pins 3

and 4 are
connected
inside the
cable)

4

RS232Tx

TX-

TX-

Data

Orange
0.14 mm

2

Yellow
0.25 mm

2

Technical note

M212210EN-C

RESTRICTED

3