Description Of The Safety Function - EUCHNER MGB2-Ixx-MLI series Operating Instructions Manual

3. Description of the safety function

Important!
You will find detailed instructions on the determination of reliability values in the operating instructions
for your bus module.
Devices from this series feature the following safety functions:
For the MGB2-L... the following applies:
Monitoring of guard locking and the position of the guard
(interlocking device with guard locking according to EN ISO 14119)
Ì Safety function (see chapter 6. Function on page 10):
- If the guard locking is unlocked, safety bit LM.I_UK (ÜK) = 0 (monitoring of the locking element).
- If the guard is open, safety bit LM.I_SK (SK) = 0 (monitoring of the position of the guard).
- Guard locking can be activated only when the bolt tongue is located in the locking module (failsafe locking mechanism).
EUCHNER ModuleLink-System (MLI)
Guardlocking
Device
MGB2-L...
PFH D, MGB2-L
Ì Safety characteristics:
Category, Performance Level, PFH
(reliability values according to EN 13849-1 see 18. Technical data).
Control of guard locking (safety bit FO_CL)
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 system PFH D
PLC).
PFH D, ext.
(e.g. standstill
monitor)
Ì Safety characteristics of the bus module MBM and the locking module MGB2-L:
Category, Performance Level, PFH
(reliability values according to EN 13849-1 see 18. Technical data).
For MGB2-I... (or a correspondingly configured MGB2-L...) the following applies:
2500234-01-08/18 (Translation of the original operating instructions)
Busmodule
MBM
PFH D, MBM
PFH D, Sys
D
EUCHNER ModuleLink-System (MLI)
Safetybit FO_CL
Busmodule
(Guardlocking)
PFH D, MBM
D
Operating Instructions Interlocking/Locking Modules
MGB2-I..-MLI-... / MGB2-L..-MLI-... (Modular)
Safetybit LM.FI_UK_
(Guardlock monitoring)
and by the external control (e.g. safe
sys.
Guardlocking
Device
MBM
MGB2-L...
PFH D, MGB2-L
PFHD , Sys
PLC
EN
7