CHAPTER 8 TROUBLESHOOTING
E5EK
8--6
8.4 Checking Operation Restrictions
With the E5EK-T controller, auto-tuning or self-tuning sometimes do
not operate depending on how functions are combined. The table below
summarizes the main operating restrictions.
If the E5EK-T controller is not operating properly, first check whether
operating conditions violate the restrictions in this table.
Restriction
Inoperable or Invalid Functions
Restriction
AT Execution
Limitter Function
Other
At heating and cooling
control
40%AT
At position-proportional
control
40% AT
Manipulated variable
ON/OFF control
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
execution.
Содержание E5EK
Страница 1: ...User s Manual Cat No H089 E1 02 Digital Controller Programmable Type...
Страница 24: ...CHAPTER 1 INTRODUCTION 1 14...
Страница 36: ...CHAPTER 2 PREPARATIONS 2 12...
Страница 162: ...CHAPTER 6 USING THE COMMUNICATIONS FUNCTION 6 20...
Страница 176: ...CHAPTER 7 CALIBRATION 7 14...
Страница 193: ...SETTING LIST A 11...