MINI-DC-UPS/24DC/2
Rechargeable battery module
The rechargeable battery module is connected to the power
2
1,5
1,0
0,5
supply unit through the "Battery +" and the "Battery –" termi-
nal blocks. The fuse of the rechargeable battery module
must be removed when installing or replacing the module.
0
0
30
60
90
120
150
180
210
240
The following rechargeable battery modules are recommen-
MINI-BAT 24DC/0,8Ah
MINI-BAT 24DC/1,3Ah
Buffer time[min]
ded:
MINI-BAT 24DC/0.8Ah (order no. 2866666),
MINI-BAT 24DC/1.3Ah (order no. 2866417)
The buffer mode might be terminated after the preset time or
due to an external shutdown. If the device is to be switched
off after a certain period, the time for it is set using the selec-
tor switch at the front of the device. The device can be swit-
ched on in the buffer mode again after reconnecting the
power supply.
Remote shutdown ("Remote")
The device has a remote shutdown with a UPS function for deliberate shutdown. Remote shutdown must be deactivated
for the device to switch over to the buffer mode in the event of a supply voltage failure.
Remote shutdown inactive
– The "Remote shutdown R1" and "Remote shutdown R2" terminal points are short-circuited (e.g. with a plug-in bridge)
OR 24 V DC is present at the "Remote shutdown R2" terminal point.
– The power supply unit switches over to the buffer mode in the event of a supply voltage failure.
Remote shutdown active
– The "Remote shutdown R1" and "Remote shutdown R2" terminal points are not short-circuited (e.g. with a plug-in bridge)
OR 0 V is present at the "Remote shutdown R2" terminal point.
- All LEDs are off.
– The power supply does not switch over to the buffer mode in the event of a supply voltage failure; the device switches
off. The rechargeable battery module is charged when the supply voltage is reconnected, but the device remains switched
off until the remote shutdown is activated.
– The connected consumers are fed as long as the supply voltage is available.
Function
Output voltage
In the normal mode, the output voltage of the device conforms to the setting on the potentiometer (22.5 V DC ... 29.5 V DC).
If the supply voltage fails, the buffer mode is activated without any interruption and the output voltage is supplied by the
rechargeable battery module. The output voltage is now directly dependent on the battery voltage and is U BAT - 0.5 V.
An alarm signal is triggered if the output voltage drops below 20.4 V in the buffer mode. If the output voltage drops to 19.2
V due to a completely discharged rechargeable battery module, the device switches off and remains switched off. The de-
vice switches on automatically only after reconnecting the power supply. The device is electronically protected against short
circuit and idling.
103123_00_en
PHOENIX CONTACT GmbH & Co. KG ? 32823 Blomberg ? Germany
Phone: +49-(0) 5235-3-00 ? Fax: +49-(0) 5235-3-4 12 00
www.phoenixcontact.com
9
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