Omron E5EC 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 E5EC Specifications

General

Mounting Type	Panel Mount
Display Resolution	0.1°C or 1°C
Control Method	ON/OFF
Input Type	Thermocouple, RTD, Analog voltage
Supply Voltage	100 to 240 VAC
Output Type	Relay, Voltage, Current
Size	48 x 96 mm
Control Output	Relay, Voltage, Current
Alarm Output	Relay
Communication	RS-485
Ambient Operating Temperature	-10 to 55°C
Ambient Operating Humidity	25 to 85% RH
Protection Rating	IP20