Safety instructions
2.7 Important notes for the enabling mechanism
Mobile Panels 2nd Generation
Operating Instructions, 09/2018, A5E33876626-AC
41
Injury or material damage
Enabling buttons should only be used when the following applies for the person activating
the enabling button:
• The person can see the danger zone.
• The person is capable of recognizing personal injury hazards in good time.
• The person is capable of taking immediate measures to avoid danger.
The only person allowed to remain in the danger zone is the person who is activating the
enabling button.
Injury or material damage
If you trigger a command for a hazardous operating state with the enabling button only,
there is a risk of injury or material damage.
A hazardous operating state requires a second, specific operation with another key on the
HMI device. Consider this during configuration.
Enabling button must not be fixed
Fixing the enabling button in one of its positions can cause malfunctions in the fail-safe
automation system.
Make sure that the enabling button is not being held permanently in any of its positions.
Note
The enabling button is effective when the HM
I device is connected to a connection box. The
"E-stop button evaluated by PROFIsafe" operating mode
The PROFIsafe-based F-system is configured so that the "Enabling" function is active,
see section
Configuring F-FBs in STEP 7 (Page 174)". The HMI device is logged onto
PROFIsafe and the emergency stop / stop button is lit.
"E-stop button evaluated by safety relay" operating mode
The emergency stop button is lit.
"Stop button evaluated by safety relay" operating mode
The emergency stop / stop button is not lit with this operating mode..
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