What to do if discrepancy time has elapsed on Festo CMMP-AS M0-STO?
If the discrepancy time has elapsed on your Festo Controller, it means the STO-A and STO-B control ports aren't being activated at the same time or aren't wired identically. To resolve this, verify that the STO-A and STO-B control ports are both correctly actuated and wired. Also, check the discrepancy time.
Why does the Festo Controller show failure of driver supply with active PWM control?
If the driver supply fails with active PWM control on your Festo Controller, it means the safe status was requested with approved power end stage. To fix this, check the inclusion in the safety-oriented interface.
What to do if Festo CMMP-AS M0-STO Controller displays safety function driver defective due to internal voltage error?
If the driver function is defective due to an internal voltage error of the STO circuit in your Festo Controller, it indicates a defective protection circuit. Unfortunately, no action is possible. Please contact Festo for assistance. If available, consider replacing the controller with another one.
General| Brand | Festo |
|---|---|
| Model | CMMP-AS-Series-M0-STO |
| Category | Controller |
| Language | English |
General safety information, intended use, and possible incorrect applications.
Technical requirements, specialist qualifications, diagnostic coverage, and certifications.
Details the STO function's principle, interface overview, and control ports.
Specifies time behaviour for STO activation/deactivation and restart.
Procedures for validating the STO function after installation or modification.
Defines the operator's responsibility for checking safety device capability.
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