Connecting The Device - Endress+Hauser RIA452 Mode D'emploi

Wiring
Terminal assignment
Terminal
11
12
13
15
17
19
4.2

Connecting the device

"
Caution!
Do not install or wire the device when it is connected to the power supply. Failure to comply
with this precaution can result in irreparable damage to the electronics.
4.2.1 Connecting the power supply
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Caution!
• Before wiring the device, ensure that the supply voltage corresponds to the specification on
the nameplate.
• For the 90 to 250 V AC version (power supply connection), a switch marked as a separator,
as well as an overvoltage organ (rated current ≤ 10 A), must be fitted in the supply line near
the device (easy to reach).
Fig. 6: Connecting the power supply
94
Terminal assignment
+ 0/4 to 20 mA signal
Signal ground (current, voltage, temperature)
+ 1 V, + thermocouples, - resistance thermometer signal (3/4 wire)
+ resistance thermometer signal (4-wire)
+ 30 V
+ resistance thermometer power supply (3-wire/4-wire)
RIA452
G09-RIA452xx-04-10-xx-xx-000
Endress+Hauser