Chapter 15. The PID functions
15-21
15.3.4 Error codes of auto-tuning function block (PID6AT)
The following table shows error codes and descriptions of PID6AT function block.
Error code
(STAT output)
Type
Description
Countermeasure
0
Normal operation
1
SV is out of range
Change the SV within 0 ~ 4000
2
PV is out of range
It may caused by fault of A/D module.
Check the A/D module.
3
S_TIME is out of range
Change the S_TIME within 0 ~ 100
4
Local
CPU type is mismatched
Replace the CPU module with GM6 -
CPUB or GM6-CPUC.