Okuma ICB1-S - Indication of Operating Status; Arrangement of Status Indicating LED

4742-E P-67
SECTION 2 DC POWER SUPPLY UNIT (MPS, MPR UNIT)
4. Indication of Operating Status
Eeospcsa2009
A DC power supply unit shows the operating status at the 7-segment LED provided at the front of
the unit.
Two display modes (normal operation status display mode and alarm status display mode) are pro-
vided and at the occurrence of an alarm, the 7-segment LED displays an error number so that the
cause of the alarm can be assumed.
4-1. Arrangement of Status Indicating LED
Eeospcsa2010
EIOSPCSA2009R01
7-segment LED : Indicates the operation status or an error number at the occurrence of
an error.
DC bus charged
status indication lamp
: Indicates that the DC bus is being charged.
24 V power error
indication lamp
: Indicates that output of 24 V power supply is suspended due to the
occurrence of an error in the power supply circuit.
(1) Over voltage of input: Source voltage exceeding 253 Vrms was
input.
(2) Over current of output: Load current of 24 V power supply was
excessively high.
(3) Over voltage of output: Output voltage was excessively high due to
an error in the internal circuit.
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