11
2-2-1. Alarm Connector
Pin Assignment Table (9-pin D-sub, female, Inch screws)
Pin No.
Signal Name
In/Out
Description
1
+5VOUT
Out
O5V.
2
POW
ALARM
Out
Outputs Power alarm.
(*1)
3
FAN ALARM
Out
Outputs Fan alarm.
4
COMMON
-
Common Power and Fan alarm.
(*1)
5
GND
-
Signal ground
6
NC
-
Not used
7
NC
-
Not used
8
NC
-
Not used
9
NC
-
Not used
* Maximum current rating for +5V OUT is 200mA.
(*1)
Refer to the alarm output circuit diagram below.
Alarm Output Circuit
Alarm outputs are relay contact circuits that operate as follows.
Normal: Common and Open
Malfunction and Power OFF: Common and Close
Pin 4 is a Common pin for both power and fan alarm.
Contact rating is
Closed when a
malfunction occurs
or the power is off.
Alarm Output
FVW-700 side
Relay contact
Relay contact
POW ALARM
FAN ALARM
COMMON
Max: 30V
