Omega RD-MV100 Series User Manual page 52

2.3 Input Signal Wiring
DC Voltage and DI (Contact) Input
+
DC voltage input
–
Resistance Temperature Detector Input
A
B
b
Leadwire resistance :
The resistance of the three wires
should be approximately equal.
2-6
• Wiring diagram
+
–
b
A
B
10 Ω max./wire
Thermocouple Input
Extension leadwire
+
–
DC Current Input
+
+
DC current input
–
–
Shunt resistor
NOTE : For a 4 to 20 mA input, use a
shunt resistor of 250 Ω ±0.1%.