Vaisala HUMICAP HMT330 SERIES Guide de l'utilisateur Page 51

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Chapter 3 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 49
NOTE
When installed in a process with a pressure differing from normal
atmospheric pressure, please enter the pressure value of the process (in
hPa or mbar) into the transmitter memory. You can enter the value using
the display/keypad option, using the serial line (see section PRES and
XPRES on page 104), or using the MODBUS protocol (see
Configuration Registers on page 199).
Optional Modules
Power Supply Module
The AC (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 31 Power Supply Module
The following numbers refer to Figure 31 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 = -
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