Festo CTEU-DN Description, Functions And Maintenance page 120

A. Technical appendix
Bit Significance
0 I-Port Module Error
1 I-Port Configuration Error
2 Communication Error
3 Undervoltage PS
4 Undervoltage PL
5 Overload/Short Circuit Module
6 Overload/Short Circuit I-Port
7 Other Error
Tab. A/18: I-port status byte – Significance and explanation of the diagnostics informa-
tion (Festo diagnostic object – Class code 103
A-22
Explanation
I-port device/module reports diagnostics status
– Connected device/module is not compatible with
I-port
– I-port device/module interchanged during
operation
– I/O data length not reached/exceeded
I-port communication error during operation, e.g. if
the I-port device/module was unplugged
Undervoltage in the power supply
I-port device/module reports undervoltage in the load
supply
I-port device/module reports short circuit or overload
Short circuit or overload at I-port
Other faults
)
d
Festo P.BE-CTEU-DN-OP+MAINT-EN en 1206NH