Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1150

Error code Description
(SD0)
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.
■Limit cycle method
11B5H
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
■Limit cycle method
11B7H
The integral time (T
■Limit cycle method
11B8H
The derivative time (T
9 PID OPERATION INSTRUCTION
1148
9.2 PID Operation Instruction
) calculated by auto tuning (limit cycle method) overflowed.
P
) calculated by auto tuning (limit cycle method) is out of the range, 0 to 32767.
I
) calculated by auto tuning (limit cycle method) is out of the range, 0 to 32767.
D