16
4. CHANGING POWER SUPPLY
SPECIFICATIONS
The AC/DC power supply unit PR-240 is shipped ready for connection to a 200-230 VAC
ship’s mains. If the ship’s mains is 100 VAC-115 VAC, change the tap connection and
terminal board connection as below. Attach a label supplied as accessories to the front
panel according to the ship’s mains.
Ship’s mains Tap connection Terminal board Label
200-230 VAC SEL 230 V Below (a)
200-230 VAC 2.2-1.7 A
1φ 50/60 Hz
100-115 VAC SEL 115 V Below (b)
100-115 VAC 3.2-2.6 A
1φ 50/60 Hz
Remove screw
and cover.
Cover
1
2
3
4
5
6
7
8
SEL
115V
SEL
230V
1
2
3
100-115 VAC
1
2
3
200-230 VAC
(a)
(b)
AC FAIL:Connect to Alarm system.
Output Setting: Normal Open
Set plug to 1 & 2 pins of J4 (Factory setting)
Normal Close
Set plug to 2 & 3 pins of J4
AC Power Switch
(When connecting DC input, note that the DC power is supplied
even though this switch is turned off.)
Heat sink
Tap connection
(Pull out to disconnect.)
Front panel
Terminal board
Grey
Black
Grey
Black
Attach appropriate label.
Front panel
Coil
Relay
3
1
2
J4
Note: The DC output load must be less than 8A.