Vaisala Optimus OPT100 - Figure 25 Terminal Block X3 Example Wiring for Normally Open (NO) Connection; Table 9 Terminal Block X3 Wiring

5. Inside the power supply unit, connect the wires to terminal block X3. Wire the connection
as normally open (NO) or normally closed (NC) according to the table below.
Verify the wiring colors of your cable before making any connections.
Table 9 Terminal block X3 wiring
Signal Terminal
Relay 1 NC 1
Relay 1 common 2
Relay 1 NO 3
Relay 2 NC 4
Relay 2 common 5
Relay 2 NO 6
Relay 3 NC 7
Relay 3 common 8
Relay 3 NO 9
BRN
WHT
YEL
GRN
PNK
GRY
Relay 1
Relay 2
Relay 3
2
1
9
8
7
6
5
4
3
Figure 25 Terminal block X3 example wiring for normally open (NO) connection
OPT100 Installation Guide M211857EN-R
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