Inspecting Indicator Accuracy - Omron E5AR - MANUAL 2 User Manual

9.7 Inspecting indicator accuracy

• After calibrating input, be sure to inspect the indicator accuracy to verify that the input was calibrated
correctly.
• Run the E5AR/ER in the PV/SP state.
• Check the upper limit, lower limit and mid-range limit of the indicator range (3 values).
● Thermocouple
● Resistance
temperature input
sensor
• Preparations
Connect as follows to the required devices. Be sure to connect the
E5AR/ER to the cold junction compensator using the compensation
wire that you intend to use for the thermocouple.
A
E5AR/E5ER
1
Input
power
2
supply
• Operation
Make sure that the cold junction compensator is at 0°C, and set the
STV output to the voltage that is equivalent to the inspection value
startup power.
If the cold junction compensating system is set to external, a cold
junction compensator and compensation wire are not needed.
• Preparations
Connect as follows to the required devices.
A
1
Input power supply
2
• Operation
Set the 6-dial to the resistance that is equivalent to the inspection
value.

9.7 Inspecting indicator accuracy

Cold junction compensator
_
5
6
+
Compensating wire
E5AR/E5ER
A
4
B 5
B 6
STV
6 dial
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