Vaisala Optimus OPT100 - Figure 18 Terminal Block Y2 Wiring; Table 5 Terminal Block Y2 Wiring

3. Bend the cable braid over the seal insert so that it will make contact with metal when the
cable gland is tightened.
4. Push the outer nut and the seal insert against the contact socket of the gland and tighten
the outer nut.
5. Inside the DGA monitor, connect the wires to terminal block Y2:
Table 5 Terminal block Y2 wiring
Signal Wire color
Vaisala cable CBL210539
Terminal
Relay 1 control + White 1
Relay 1 control − Brown 2
Relay 2 control + Green 3
Relay 2 control − Yellow 4
Relay 3 control + Grey 5
Relay 3 control − Pink 6
Relay 1
Relay 2
Relay 3
1 3 5
2 4 6
BRN WHT YEL GRN PNK GRY
Figure 18 Terminal block Y2 wiring
6. Open the cable gland marked Relay control in on the power supply unit. Remove the plug
and store it for later use.
7. Insert the relay control cable through the outer nut and the seal insert, and start inserting
the cable through the cable gland. Stop when you reach the section of the cable where
the metal braid is exposed.
Chapter 4 – Electrical installation
47