Operating Instructions
9
2500233-01-05/19 (Translation of the original operating instructions)
Operating Instructions
Safety Systems
MGB2-L1…-BR.-… / MGB2-L2…-BR.-… and MGB2-L1…-BP.-… / MGB2-L2…-BP.-…
EN
3. Description of the safety function
Devices from this series feature the following safety functions:
With active guard locking monitoring the following applies:
DIP
OFF
ON
Monitoring of guard locking and the position of the guard
(interlocking device with guard locking according to ENISO14119)
Ì Safety function (see chapter 6. Function on page 11):
- The safety outputs are switched off when guard locking is released (monitoring of the locking element).
Important: This applies only if guard locking monitoring is active!
- The safety outputs are switched off when the guard is open.
- Guard locking can be activated only when the bolt tongue is located in the locking module (failsafe locking
mechanism).
Ì Safety characteristics: category, Performance Level, PFH
D
(see chapter 16. Technical data on page 48).
Activation of guard locking
Ì Safety function
If the device is used as guard locking for personnel protection, control of guard locking must be regarded as a
safety function.
The safety level of guard locking control is determined by the device PFH
D
int.
and by the external control (e.g.
PFH
D
ext.
of the standstill monitor).
PFH
D
ext.
Guardlocking Device
(e.g. standstill
monitor)
(locking mean)
Ì Safety characteristics: category, Performance Level, PFH
D
(see chapter 16. Technical data on page 48).
With inactive guard locking monitoring the following applies:
DIP
OFF
ON
Monitoring of the guard position
(interlocking device according to ENISO14119)
Ì Safety function: The safety outputs are switched off when the guard is open (see chapter 6. Function on page
11).
Ì Safety characteristics: category, Performance Level, PFH
D
(see chapter 16. Technical data on page 48).
The following applies to devices with emergency stop:
Emergency stop
(emergency stop device according to ENISO13850)
Ì Safety function: Emergency stop function
Ì Safety characteristics: B
10D
value (see chapter 16. Technical data on page 48)