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4 Safety Function Blocks
4 - 42
NX-series Safety Control Unit Instructions Reference Manual (Z931)
SF_ESPE
This safety FB monitors electro-sensitive protective equipment (ESPE). ESPE includes light curtains,
laser scanners, etc.
Instruction
Name
FB/FUN
Graphic expression
SF_ESPE
Electro-Sensitive
Protective Equip-
ment (ESPE)
FB
Variables
Input Variables
Variable
Data type
Valid range
Default
Description
Activate
BOOL
TRUE or FALSE
FALSE
Refer to
Safety FB Common Input Variables
S_ESPE_In
SAFEBOOL TRUE or FALSE
FALSE
A variable. This is a safety request input.
FALSE: There is a request for a safety function.
TRUE: There is no request for a safety function.
If the ESPE is used as a stopping device, the safety con-
trol system must detect a short shutoff (80 ms min.
according to IEC 61496-1) with a sensor.
S_StartReset
SAFEBOOL TRUE or FALSE
FALSE
Refer to
Safety FB Common Input Variables
S_AutoReset
SAFEBOOL TRUE or FALSE
FALSE
Refer to
Safety FB Common Input Variables
Reset
BOOL
TRUE or FALSE
FALSE
Refer to
Safety FB Common Input Variables
Output Variables
Variable
Data type
Valid range
Default
Description
Ready
BOOL
TRUE or FALSE
FALSE
Refer to
Safety FB Common Output Variables
S_ESPE_Out
SAFEBOOL TRUE or FALSE
FALSE
The safety function enable signal.
FALSE: Disables the safety output. There is a request for a
safety-related response (example: a reset request or an
internal error).
TRUE: Enables the safety output. There is no request for a
safety-related response.
Error
BOOL
TRUE or FALSE
FALSE
Refer to
Safety FB Common Output Variables
DiagCode
WORD
Depends on
state code.
16#0000
Refer to
Safety FB Common Output Variables
SF_ESPE
Activate
S_ESPE_In
S_StartReset
BOOL
SAFEBOOL
BOOL
WORD
Ready
S_ESPE_Out
Error
DiagCode
BOOL
SAFEBOOL
SAFEBOOL
SAFEBOOL
S_AutoReset
BOOL
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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