X1
Binary output terminal Description
LED
4
DO3
Isolated output pair 2
DO3
5
DO4
DO4
6
COM
5.2.5
Connecting RTD/mA signals
Use a shielded cable for the connection of RTD/mA signals. Connect the shield of the
cable to the DIN rail through an earthing clamp, for example, Weidmuller Earthing
Clamp: 1252520000 (KLBUE 4-13.5 FM4).
Check that the proper power supply and LECM modules are mounted on the DIN rail.
The RTD4 module has two sets of connectors where each set accepts two RTD/mA
signals.
1.
Fasten the input connector through the upper and lower screw terminals.
2.
Connect the signals based on the type of configuration.
•
For 2-wire RTD configuration, connect the RTD signals between - and +
terminals and short - and C terminals, else there will be an IRF.
RTD4
Resistor sensor
Resistor sensor
Resistor sensor
Resistor sensor
Earth Clamp (mounted on DIN Rail)
X1
1C
1-
1+
2C
2-
2+
4
2
6
1
3
5
RTD1
RTD2
X2
3C
3-
3+
4C
4-
4+
4
2
6
1
3
5
RTD3
RTD4
GUID-6B99373F-69D2-490B-8563-BB772E0018B1 V2 EN
Figure 19:
2-wire RTD
•
For 3-wire RTD configuration, connect the three terminals of RTD sensor
between C, - and + terminals.
1MRS757488 H
Section 5
Installing
RIO600
39
Installation and Commissioning Manual
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