Omega RD-MV100 Series, User Manual

Page: 52 / 299

2-6
• Wiring diagram
A
B
b
A
b
B
DC Voltage and DI (Contact) Input
DC voltage input
Thermocouple Input
Resistance Temperature Detector Input
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%.
Leadwire resistance :
10
Ω
max./wire
The resistance of the three wires
should be approximately equal.
Extension leadwire
–
+
–
+
–
+
–
+
–
+
2.3 Input Signal Wiring