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TDK-Lambda
EZA11K series
Quick Manual / Basic
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6) About the Alarm of EZA
EZA generates the Alarm signal and stops when a device error occurs. There are two
kinds of Alarms as follows.
a) Light alarm: EZA stops. If the cause of the EZA abnormality is removed, the
operation state is automatically restored. The alarm signal is not output.
b) Heavy alarm: EZA stops. Even if the cause of the EZA abnormality is removed, the
operation state will not return unless the Alarm clear signal and start command are
input.
In this case, the red LED of "ALM" on the front panel will light, and
“
pin1
”
of
the external signal connector CN will be open.
To set Alarm clear, it is necessary to
press the reset switch on the front panel, or input the Alarm clear command by either
of the methods of shorting the CN
“
pin11
”
to the
“
SG
”
or sending it via RS485 .
And then you send Start command
The following describes how to check the alarm and input the restoration signal by using
“CNVCommCC”.
For details of alarms, refer to p11, 12 and p14- 16 of EZA11K series Instruction
manual.
The EZA2500 can be restarted by sending an Alarm Clear command without
inputting a device operation command.
