Hitachi WJ C1 Series

Chapter 14 Safety Function STO
14-1-8
■ Operation of STO input discrepancy [FSC]
The [FSC] signal is deactivated when [b145] is set to 05 or 06 and the inverter is in trip or delay
ON/OFF of [ST1]/[ST2] is detected (-F** is displayed). The judgement cycle of the [FSC] signal is
10 ms. (If [b145] is not 05/06 and the inverter is not in trip, the [FSC] signal is ON.)
(e.g.) [b145] = 05
(e.g.) [b145] = 06
Close
Close
Close
Close
Close
Close
Close
Close
ON
ON
ON
ON
-F20
-S--
-F02
-S--
AL (Trip)
RS (Trip reset)
-F01
b146
b146
[FSC]
Keypad
display
[ST2]
[ST1]
ON
ON
Close
Close
Close
Close
Close
Close
ON
ON
ON
ON
-F20-
-S--
[FSC]
Keypad
display
[ST2]
[ST1]
-F02
ON
ON
AL (Trip)
RS (Trip reset)