Hitachi SJ Series - Page 35

4-21
Chapter 4
Safety Function
e.g. Case: SS1-B Action completed on time
[2-22]SS1-B monitoring method=00(Time) and
[2-12]STO-B release mode=01(With safety signal):
e.g. Case: SS1-B Action uncompleted on time
[2-22]SS1-B monitoring method=00(Time),
[2-12]STO-B release mode=01(With safety signal) and [0-
07]SFS select=21(STO-B):
SS1-B
Input
Output
SS1-B monitoring
Motor speed
STO-B monitoring
Open
Short
[2-21]SS1-A Zero frequency
SS1-B completed
Active
Inactive
Active
Inactive
Inactive
Active
Releasable
[2-23]SS1-A Active time
SS1-B
Input
Output
SS1-B monitoring
Motor speed
STO-B monitoring
Open
Short
[2-21]SS1-B Zero frequency
STO-B completed
Active
Inactive
Active
Inactive
Inactive
Active
Releasable
[2-23]SS1-B Active time
[2-11]Keep time after STO-B