Relay Command; Figure 17 Relay Connection: External Relay Supply - Vaisala PWD22 User Manual

Chapter 4_________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 53
PWC12 board
Control 1
DGND
wires: X4-5 VIO
X4-6 GRY/PNK
X4-7 RED/BLU
Figure 17 Relay Connection: External Relay Supply

RELAY Command

Set/display the relay control states.
When you type the following:
>RELAY
The result is the following:
RELAYS OFF OFF OFF
All relay controls can be set on by typing the following:
>RELAY ON
Relay control 1 can be set on until ESC is pressed. See the example
below:
>RELAY 1 ON
Cable
Box
+5...12V supply
X4-6
X4-7
X4-5
X4-8
GND (12V)
Relay 1
Relay 2
Relay 3
0309-045