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(33)CH Loop disconnection detection judgment time (Un\G59, Un\G91, Un\G123,
Un\G155)
Errors such as disconnection of resistors, malfunction of an external controller, and errors of the control system
due to troubles such as disconnection of the sensor can be detected by the loop disconnection detection function.
If temperature does not change by 2°C ( ) or more in the Loop disconnection detection judgment time, a loop
disconnection is detected.
For details on the loop disconnection detection function, refer to the following.
Page 253, Section 4.22
(a) Setting range
The setting range is 0 to 7200 (s).
Set a value that exceeds the time in which temperature changes by 2°C ( ).
(b) When performing auto tuning
For this setting, the twice value of that of CH Integral time (I) setting (Un\G36, Un\G68, Un\G100, Un\G132)
is automatically set. ( Page 107, Section 3.4.2 (16)) However, when this setting is set to 0 (s) at the start of
the auto tuning, Loop disconnection detection judgment time is not stored.
(c) Default value
The default values are set to 480 (s) in all channels.
Standard