18
SANKEN ELECTRIC CO., LTD.
December
201
6
PAN40004-001E
-02
PR
GND
(Open collector)
Base power unit
CN1
LV Alarm +
LV Alarm –
(GND)
(Open collector)
DC module
CN2
PR terminal internal circuit
LV-Alarm terminal internal circuit
Alarm Specifications
Alarm
Signal
Operating
Condition
Alarm Signal State
PR
Good
Set low (
≤
0.8 V and
≤
8 mA)
Bad
Set high (2 to 35 V, or open)
LV
Good
Set low (
≤
0.8 V and
≤
20 mA)
Bad
Set high (2 to 35 V, or open)
Alarm Functions
PR signal
This alarm is incorporated into each base power unit. The PR
terminal is set high when input voltage into the main body of the
base power unit is lowered below specification and/or the internal
fan is stopped.
LV-Alarm signal
This alarm is incorporated into each DC module. The LV-Alarm+
terminal is set high when the output of the DC module is lowered
below specification and/or is stopped.
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