4 Safety Function Blocks
4 - 30
NX-series Safety Control Unit Instructions Reference Manual (Z931)
SF_EnableSwitch
This safety FB supports stopping a safety protection function that uses an enable switch.
Instruction
Name
FB/FUN
Graphic expression
SF_EnableSwitch
Enable Switch
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_SafetyActive
SAFEBOOL TRUE or FALSE
FALSE
A constant or a variable. It confirms safe mode (motion
speed limit, power limit, or motion range limit).
FALSE: Turns OFF safe mode.
TRUE: Turns ON safe mode.
S_EnableSwitch
Ch1
SAFEBOOL TRUE or FALSE
FALSE
A variable. The input signal from connected enable
switches E1 and E2.
FALSE: The connected switches are open.
TRUE: The connected switches are closed.
S_EnableSwitch
Ch2
SAFEBOOL TRUE or FALSE
FALSE
A variable. The input signal from connected enable
switches E3 and E4.
FALSE: The connected switches are open.
TRUE: The connected switches are closed.
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
4-4.
S_EnableSwitch
Out
SAFEBOOL TRUE or FALSE
FALSE
A safety-related output that indicates that the safety pro-
tection function is stopped.
FALSE: Disables stopping the safety protection function.
TRUE: Enables stopping the safety protection function.
Error
BOOL
TRUE or FALSE
FALSE
Refer to
Safety FB Common Output Variables
4-4.
DiagCode
WORD
Depends on state
code.
16#0000
Refer to
Safety FB Common Output Variables
4-4.
SF_EnableSwitch
Activate
S_SafetyActive
S_EnableSwitchCh1
BOOL
SAFEBOOL
BOOL
WORD
Ready
S_EnableSwitchOut
Error
DiagCode
BOOL
SAFEBOOL
SAFEBOOL
SAFEBOOL
S_EnableSwitchCh2
S_AutoReset
BOOL
SAFEBOOL
Reset
BOOL
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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