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TDK-Lambda
EZA11K series
Quick Manual / Practical(I)
following methods a) to c). a) Command via RS - 485 b) Set pin 11 of CN to short with signal
ground SG
⇒
open. C) Press the reset button on the front panel.
⑩
Light alarm: EZA outputs Light alarm signal when EZA determines that operation can be
resumed if the cause is removed when the protection function is activated. When Light alarm
signal is output, if the cause of the occurrence of the alarm is removed, the main circuit is
restarted from the standby state and put in operation. With Light alarm, the red LED on the front
panel does not light up. Also pin 1 of CN will remain short for SG in the figure on p6 of this
manual. The Converter Operation Good Signal PG (Pin 3) is open to SG during Light alarm.
⑪
Waiting: The control board is started but the main converter is stopped. In EZA, it is called
waiting or waiting mode. In waiting, power consumption is only for the control board. In waiting,
parameter setting, reading, reading of EZA status information, and acceptance of the start
command of the main converter are possible.
