Hitachi SJ Series, User Manual

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12-20-4
Chapter 12 Inverter Function
12.20.4 Outputting a signal when the
preparations for operation have been
completed
• I want to convey to the system when the inverter is
ready for accepting operation commands.
• Assign the output terminal function 007 [IRDY]
operation preparation completed signal to one of
[CC-01] to [CC-07] that corresponds to the output
terminal and output the signal.
• The operation preparation completed signal 007
[IRDY] is output when the inverter can accept
operation commands.
• The timing chart is as follows.
(Example) In the case of a terminal command
Parameter
• When this signal is not output, the inverter cannot
be operated even if operation commands are input.
• This signal becomes OFF when output operation is
disabled, such as during start-up preparation at
power-up, when under-voltage of the R-S-T input
voltage occurs, while the inverter has been tripped,
and under a free run stop command.
Item Parameter Data Description
Output terminal function selection
11-15
[CC-01]~[CC-05]
007
[IRDY]: The operation preparation
completed signal is output to the
output terminal assigned. Relay output terminal function
selection 16A-16C
[CC-06]
Relay output terminal function
selection
AL1-AL0/AL2-AL0
[CC-07]
Ｑ
Ａ
！
Reset signal input [RS]
Trip signal [AL]
Operation preparation
completed signal [IRDY]