Omron NX-SL series User Manual

4 - 65
4 Safety Function Blocks
NX-series Safety Control Unit Instructions Reference Manual (Z931)
4
SF_ModeSelector
Note Transitions to the Idle state from any other state are not shown for when Activate changes to FALSE. How-
ever, the transition to the Idle state has the highest priority (0).
State Transition Diagram
1
2
3
1
1
1
1
1
1
2
2
2
3
Idle
0000
0
Error
Short-circuit
C001
Mode
Selected
8000
Mode
Locked
8004
Error
Open-circuit
C002
Reset
Error 1
C003
Reset
Error 2
C004
Mode
Changed
8005
Activate
NOT Activate
Reset AND
NOT R_TRIG at Reset
NOT Reset
Reset AND
NOT R_TRIG at Reset
NOT Reset
R_TRIG
at Reset
R_TRIG
at Reset
Error 1
Error 2
Error 1
S_ModeX
changed
(AutoSetMode OR(AutoSetMode OR
R_TRIG at S_Setmode)R_TRIG at S_Setmode)
AND SUnlock ANDAND SUnlock AND
(one S_ModeX=TRUE)(one S_ModeX=TRUE)
(AutoSetMode OR
R_TRIG at S_SetMode)
AND S_Unlock AND
(one S_ModeX=TRUE)
NOT
S_Unlock
S_Unlock
Ready =FALSE
Ready =TRUE
S_ModeXSel=FALSE
S_ModeXSel=TRUE
S_AnyModeSel=FALSE
S_AnyModeSel=TRUE
Error conditions:
Error 1: More than one S_ModeX=TRUE
at the same time
Error 2: All S_ModeX=FALSE for longer
than ModeMonitorTime
1

Omron NX-SL series Specifications

General

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