Omron E5CK User Manual

CHAPTER 8 TROUBLESHOOTING
E5CK
8–6
8.4 Checking Operation Restrictions
With the E5CKĆT controller, autoĆtuning or selfĆtuning sometimes do not
operate depending on how functions are combined. The table below sumĆ
marizes the main operating restrictions.
If the E5CKĆT controller is not operating properly, first check whether opĆ
erating conditions violate the restrictions in this table.
Restriction
Inoperable or Invalid Functions
R
estr
i
ct
i
on
AT Execution Limitter Function Other
At heating and cooling
control
40%AT
At ON/OFF control

Manipulated variable
MV change rate
At AT execution MV change rate Parameter setting
At reset

Manipulated variable
MV change rate
Items marked by a x" indicate combinations of conditions that are not acceptable during AT execuĆ
tion.

Omron E5CK Specifications

General

Ambient Operating Temperature	-10 to 55°C
Protection Rating	IP20
Control Type	PID
Input Type	Thermocouple, RTD
Output Type	Relay, Voltage, Current
Power Supply Voltage	100 to 240 VAC
Mounting Type	Panel
Display Type	Digital
Control Output	Relay, Voltage, Current
Alarm Output	Relay
Dimensions	48 x 48 x 78 mm
Ambient Operating Humidity	25% to 85% RH