1148
9 PID OPERATION INSTRUCTION
9.2 PID Operation Instruction
11B3H ■Limit cycle method
A value set for the PV value threshold (hysteresis) width (SHPV) for auto tuning (limit cycle method) is out of the range, SHPV < 0.
11B4H ■Limit cycle method
The system area used for auto tuning (limit cycle method) has been overwritten.
11B5H ■Limit cycle method
The measurement time for auto tuning (limit cycle method) has been exceeded, and and on time cannot be obtained properly. (on > ,
on < 0, < 0)
11B6H ■Limit cycle method
The proportional gain (K
P
) calculated by auto tuning (limit cycle method) overflowed.
11B7H ■Limit cycle method
The integral time (T
I
) calculated by auto tuning (limit cycle method) is out of the range, 0 to 32767.
11B8H ■Limit cycle method
The derivative time (T
D
) calculated by auto tuning (limit cycle method) is out of the range, 0 to 32767.
Error code
(SD0)
Description
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