Hitachi SJ Series Safety Function Manual page 48

Chapter 4
e.g. Case: [1-51]SDI-A Active mode=00: limit CW (RV) and
driving limited direction (CW/RV):
[1-52]SDI-A delay time
Motor speed
[1-21]SS1-A Zero frequency
Input
Output
SDI-A monitoring
e.g. Case: [1-51]SDI-A Active mode=01: limit CCW (FW)
and driving unlimited direction (CCW/FW):
[1-52]SDI-A delay time
Motor speed
[1-21]SS1-A Zero frequency
Input
Output
SDI-A monitoring
SDI-A
Open
SDI-A
Open
Active
Active
4-34
Safety Function
Release
Short
Inactive
Release
Short
Inactive