Vaisala DMT340 - Manual (Page 53)

Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 51
Optional Modules
Power Supply Module
The mains power connection may be connected to the power supply
module only by an authorized electrician. A readily accessible disconnect
device shall be incorporated in the fixed wiring.
0506-027
Figure 36 Power Supply Module
The numbers refer to Figure 36 above:
1 = Connect AC mains voltage wires to these terminals
2 = Grounding terminal
3 = In case the module is not installed in the factory: Connect wires
from these terminals to the POWER 10 ... 35V 24V terminals
of the motherboard.
4 = +
5 = -