Micropilot FMR62
Hauser
V. 4, Rev. 2, 19-03-2018
21
Connection examples for the switch output
For HART devices, the switch output is available as an option. See product structure, feature 20:
"Power Supply, Output", option B: "2-wire; 4-20mA HART, switch output"
3+
+
-
4-
R
i
A0015909
6
Connection of a relay
Suitable relays (examples):
• Solid-state relay: Phoenix Contact OV-24DC/480AC/5 with mounting
rail connector UMK-1 OM-R/AMS
• Electromechanical relay: Phoenix Contact PLC-RSC-12DC/21
3+
2
1
+
4-
R
i
A0015910
7
Connection of a digital input
1
Pull-up resistor
2
Digital input
For optimum interference immunity we recommend to connect an external resistor (internal
resistance of the relay or Pull-up resistor) of < 1
000 Ω.
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