YOKOGAWA µR1800 - Page 22

3 - 8 IM 4H3B1-01E
NOTE: For 4 to 20mA input, shunt resistance
value should be 250Ω ±0.1%.
Figure 3.9 DC V, Thermocouple and Contact Input in case of Dot Model
Figure 3.10 Resistance Temperature Detector Input in case of Dot Model
DC Voltage Input/DI Input (contact)
Thermocouple Input
BAb
1 ch.
2 ch.
3 ch.
4 ch.
5 ch.
6 ch.
2 ch.
6 ch.
Standard Input Terminal
A
B
b
A
B
b
4 ch.
A
B
b
A
B
b
A
B
b
A
B
b
3 ch.
1 ch.
5 ch.
max.wiring ø ≤ 2.5mm
–
+
1 ch.
2 ch.
3 ch.
4 ch.
5 ch.
6 ch.
3 ch.
Standard Input Terminal
+
–
+
–
+
–
+
–
2 ch.
4 ch.
6 ch.
1 ch.
5 ch.
+
–
+
–
max.wiring ø ≤ 2.5mm
Resistance Temperature Detector Input DC Current Input
Leadwire resistance:
10Ω max./leadwire
Three wire resistances
should be approx. equal.
NOTE: In case of 3 leg isolated RTD (/N2 option), there is no difference between B and b.
However, A and b are designated to be the current line for measurements.
Figure 3.11 Wiring Input Terminals in case of Dot Model
Clamped Input Terminal (/H2 option)
Clamped Input Terminal (/H2 option)
DC voltage input
Compensation lead
Shunt resistor
Dot Printing Model
DC current input