Unitronics UniStream USC-B5-TA32 User Manual page 6

Mounting
▪ Mount on a standard DIN-rail.
Note
▪ Ensure that there is sufficient room on the sides of the device to allow for any I/O or COM
modules.
1. Push the device onto the DIN-rail until the
clips located at the top and bottom of the
unit have snapped onto the DIN-rail.
2. When properly mounted, the device is
squarely situated on the DIN-rail as shown
below.
Battery: Back-up, First Use, Installation, and Replacement
Back-up
In order to preserve back-up values for RTC and
system data in the event of power off, the battery
must be connected.
First Use
The battery is protected by the PLC's bottom and
inner door.
The battery is supplied installed inside the unit, with
a plastic tab preventing contact.
Pull out this tab before using the device.
Battery Installation and Replacement
▪ Use proper precautions to prevent Electro-Static Discharge (ESD) while servicing the battery.
Caution
▪ To preserve back-up values for RTC and system data during battery replacement, the
controller must be powered.
▪ Note that disconnecting the battery halts the preservation of back-up values and causes them
to be deleted.
1. Open the bottom and inner doors.
2 If there is a battery present, remove it.
3. Slide the battery into place.
6
User Guide
Unitronics