Outputting A Signal When Inverter Is Ready To Run - Hitachi WJ Series User Manual

Chapter 9
9.12.4

Outputting a Signal When Inverter Is Ready to Run

 How can I inform the system that the inverter is ready to operate with a RUN command?
Q
 Assigning "Inverter ready [IRDY] (50)" to one of the output terminal functions
A
([C021]/[C022]/[C026]) enables the inverter to output an inverter ready signal.
 The [IRDY] signal is output when the inverter is ready to accept a RUN command.
 The system does not function even if RUN commands are input if this signal has not been
!
output.
 This signal remains off while output is unavailable, such as during startup preparations when
turning the power on, undervoltage, tripping, a free-run stop command is issued, STO is
activated, and other circumstances.
Code
[C021]
[C022] Output terminal function
[C026]
Reset
[RS] input
Alarm
[AL] output
Inverter ready
[IRDY] output
Item
Inverter ready [IRDY]:
This signal is output when the inverter is ready
to accept RUN commands.
ON
ON
9-12-4
Inverter Functions
Description
ON
ON
Data
50