Omron E5AC User Manual

A Appendices
A - 18
E5@C Digital Temperature Controllers User’s Manual (H174)
 Meaning
“----” will be displayed for the Valve Opening Monitor parameter if any of the following error occurs.
• Motor calibration has not been performed.
• The wiring of the potentiometer is incorrect or broken.
• The potentiometer input value is incorrect (e.g., the input is out of range or the potentiometer has
failed).
 Action
Check for the above errors.
 Operation
Close control: The control output is OFF or the value that is set for the MV at PV Error parameter is
output.
Floating control: Operation will be normal.
----
Potentiometer Input Error (Position-proportional Models Only)

Omron E5AC Specifications

General

Mounting Type	Panel Mount
Sampling Period	50 ms
Protection structure	IP66 (front panel)
Control Method	ON/OFF
Input Type	Thermocouple, RTD
Supply Voltage	100 to 240 VAC
Output Type	Relay, Voltage, Current
Control Output	Relay, voltage, current
Dimensions	96 x 96 mm
Display Type	LCD
Number of Displays	2
Alarm Output	Relay
Communication	RS-485
Ambient Operating Temperature	-10 to 55°C
Ambient Operating Humidity	25% to 85% RH