Hitachi WJ Series

Chapter 14 Safety Function STO
14-1-7
■ State transition diagram (b145:03/04)
■ State transition diagram (b145:05/06)
Normal
operation
STO
[Display]
-F01 or -F02
STO
[Display]
-F01 or -F02
STO
[Display]
-S--
STO
[Display]
-F10 or -F20
Internal failure
[Display]
[E99]
e3
e3
e3
e3
e3
e1
e2
e2
e1
e1
e4
e4
e4
e4
e5
State exists only when b145=05
e1
Normal
operation
STO
[Display]
-S--
STO
[Display]
No status
indication
Internal failure
[Display]
[E99]
e3
e3
e3
e2
e1
e4
e4
e1
e2