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4 Safety Function Blocks
NX-series Safety Control Unit Instructions Reference Manual (Z931)
4
SF
_Guar
dLocking
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
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
Safety FB Common Input Variables
4-2.
S_AutoReset
SAFEBOOL TRUE or FALSE
FALSE
Refer to
Safety FB Common Input Variables
4-2.
Reset
BOOL
TRUE or FALSE
FALSE
Refer to
Safety FB Common Input Variables
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
WORD
UnlockRequest
SAFEBOOL
S_StartReset
SAFEBOOL
BOOL
S_AutoReset
Reset
Summary of Contents for NX-SL series
Page 8: ...CONTENTS 6 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 28: ...Sections in this Manual 26 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 98: ...2 Standard Functions 2 64 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 104: ...2 Standard Functions 2 70 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 110: ...2 Standard Functions 2 76 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 265: ...I 1 I NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
Page 268: ...I 4 NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
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