M+Sf_Glock_R - Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference

4.7

M+SF_GLOCK_R

Overview
Item Description
Function name Guard lock and interlocking
Functional overview This FB controls an entrance to a hazardous area via an interlocking guard with guard locking ("four state interlocking").
Symbol
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Labels
■ Input labels
No. Variable name
(1) i_bActivate
(2) i_bS_GuardMon
(3) i_bS_SafetyActive
(4) i_bS_GuardLock
(5) i_bUnlockRequest
(6) i_bS_StartReset
(7) i_bS_AutoReset
(8) i_bReset
4 SAFETY FB SPECIFICATIONS
42
4.7 M+SF_GLOCK_R
M+SF_GLOCK_R
B: i_bActivate
B: i_bS_GuardMon o_bS_GuardLocked: B
o_bS_UnlockGuard: B
B: i_bS_SafetyActive
B: i_bS_GuardLock
B: i_bUnlockRequest
B: i_bS_StartReset
B: i_bS_AutoReset
B: i_bReset
Data type Default value
Bit OFF
Bit* OFF
Bit* OFF
Bit* OFF
Bit OFF
Bit* OFF
Bit* OFF
Bit OFF
o_bReady: B (9)
(10)
(11)
o_bError: B (12)
o_wDiagCode: W (13)
Description
Activation of the safety FB.
For details, see the following.
Page 11 General Functions
Monitors the guard interlocking.
OFF: Guard open.
ON: Guard closed.
Status of the hazardous area, e.g., based on speed monitoring or safe time off delay.
OFF: Machine in "non-safe" state.
ON: Machine in safe state.
Status of the mechanical guard locking
OFF: Guard is not locked.
ON: Guard is locked.
Operator intervention - request to unlock the guard.
OFF: No request.
ON: Request made.
Selection of a reset method for the activated (first time) safety FB.
For details, see the following.
Page 11 General Functions
Selection of a reset method for the input signal reset to ON.
For details, see the following.
Page 11 General Functions
Reset input.
For details, see the following.
Page 11 General Functions
Also used to request the guard to be locked again. The quality of the signal must
conform to a manual reset device.