Omron NX-SL series User Manual

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4 Safety Function Blocks
NX-series Safety Control Unit Instructions Reference Manual (Z931)
4
SF_GuardLocking
SF_GuardLocking
This safety FB controls entry to a hazardous area with a four-state interlock guard with a guard lock.
Instruction Name FB/FUN Graphic expression
SF_GuardLocking Safety Guard
Interlocking with
Locking
FB
Variables
Input Variables
Variable Data type Valid range Default Description
Activate BOOL TRUE or FALSE FALSE Refer to Safety FB Common Input Variables on page
4-2.
S_GuardMonitoring SAFEBOOL TRUE or FALSE FALSE A variable. It monitors the guard interlock.
FALSE: The guard is open.
TRUE: The guard is closed.
S_SafetyActive SAFEBOOL TRUE or FALSE FALSE A variable. It monitors the velocity or the state of the
hazardous area (EDM) based on the safe time OFF
delay, etc.
FALSE: The mechanical device is in a non-safe state.
TRUE: The mechanical device is in a safe state.
S_GuardLock SAFEBOOL TRUE or FALSE FALSE A variable. It gives the status of the mechanical guard
lock.
FALSE: The guard is not locked.
TRUE: The guard is locked.
UnlockRequest BOOL TRUE or FALSE FALSE A variable. It indicates operator intervention (i.e., a
request to unlock the guard).
FALSE: There is no request.
TRUE: There is a request.
S_StartReset SAFEBOOL TRUE or FALSE FALSE Refer to Safety FB Common Input Variables on page
4-2.
S_AutoReset SAFEBOOL TRUE or FALSE FALSE Refer to Safety FB Common Input Variables on page
4-2.
Reset BOOL TRUE or FALSE FALSE Refer to Safety FB Common Input Variables on page
4-2.
SF_GuardLocking
Activate
S_GuardMonitoring
S_SafetyActive
BOOL
SAFEBOOL
SAFEBOOL
BOOL
Ready
DiagCode
S_GuardLocked
S_UnlockGuard
Error
BOOL
SAFEBOOL
SAFEBOOL
SAFEBOOL S_GuardLock
BOOL WORDUnlockRequest
SAFEBOOL S_StartReset
SAFEBOOL
BOOL
S_AutoReset
Reset

Omron NX-SL series Specifications

General

Brand	Omron
Model	NX-SL series
Category	Control Unit
Language	English