Figure 17 Terminal Block X3 Example Wiring For Normally Open (No) Connection; Table 8 Terminal Block X3 Wiring - Vaisala Optimus OPT100 Installation Manual

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 8 Terminal Block X3 Wiring
Signal
Relay 1 NC
Relay 1 common
Relay 1 NO
Relay 2 NC
Relay 2 common
Relay 2 NO
Relay 3 NC
Relay 3 common
Relay 3 NO
3
6
2 5
1
Figure 17 Terminal Block X3 Example Wiring for Normally Open (NO) Connection
9
8
4 7
Chapter 4 – Electrical Installation
Terminal
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