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5 Operation
Festo – GDCP-CMMS-AS-G2-S1-EN – 1306NH – English 33
5 Operation
5.1 Obligations of the operator
The operational capability of the safety device is to be checked at adequate intervals. It is the respons-
ibility of the operator to choose the type of check and time intervals in the specified time period. The
check is to be conducted so the excellent functioning of the safety device in interaction with all the
components can be verified.
Recommendation: Carry out a performance test at least every 24 hours.
5.2 Maintenance and care
The CMMS-AS-...-G2 motor controller with integrated safety function is maintenance-free.
Note
Please observe the permissible number of switching cycles for the relays used in the
device section A.1.3, Tab. A.7.
5.3 Diagnostics and fault clearance
5.3.1 Status indicators
Display on the motor controller
Display Description
“H”: STO is called up over two channels.
If this is not the case, the normal status displays of the motor controller are
represented.
Tab. 5.1 Seven-segment display on the motor controller
5.3.2 Error messages
When an error occurs, the motor controller shows an error message cyclically in the seven-segment
display on the front of the motor controller. The error message consists of an “E” (for Error), a main
index (xx) and a sub-index (y), e.g.: E 5 1 0.
Warnings have the same number as an error message. The difference is that a warning is displayed with
a prefixed and suffixed hyphen, e. g. - 1 7 0 -.
In the following tables, the error messages relevant for the functional safety in connection with the STO
safety function are listed. The “Code” includes the CiA 402 error code.
You will find the complete list of the error messages in the Hardware description,
GDCP-CMMS-AS-G2-HW-... Tab. 1.