Electronics Control; Plc Battery Backup; Plc Backup Battery; Low Plc Battery Led - Dukane VWA-4300 User Manual

Electronics Control

PLC Backup Battery

Check the status of the BATT
the electrical service cabinet. See Figure 10-2 on the
next page for locations of major electrical cabinet com-
ponents. The is on the
LED
See Figure 10-1 for backup battery details.
If the is off, the battery supports PLC memory.
LED
If the is red, battery life is low. The battery should
LED
be replaced.
If you do not have a spare battery and want to prevent
losing the PLC program from memory, leave the AC
power on until you are ready to replace the battery.
The first step in preventing data loss is to always have
a written copy of your setup files. The second step is
to have a spare battery on hand.
To replace the battery:
Make sure you are properly grounded before removing
the PLC from the rack, or before working on the PLC.
This will prevent static discharge and potential damage
to the PLC.
1. Turn off the AC power before opening the electrical
service cabinet.
2. Figure 10-1 shows where the battery is located.
3. Remove the battery cover, and then remove the old
battery.
4. Install a replacement battery, and replace the battery
cover.
Each battery contains some lithium. Do not in-
cinerate or dispose of lithium batteries in general
trash collection. Explosion or violent rupture is
possible.
The lithium material may be considered toxic, reactive
or corrosive. The person disposing of the material is
responsible for any hazard created in doing so. State
and local regulations may exist regarding the disposal
of these materials.
Dukane Manual Part No. 403-592-00
. This is found inside
LED
PLC.
WARNING
Always turn off the AC pow-
er at the main disconnect
switch before servicing or
working on the welder.
Failure to turn off the AC power is
an unsafe practice and can result
in injury or death.
Serial Port - Allows for communication with Dukane
Amplitude Regulation Board
Battery Cover
Low PLC Battery LED (Mitsubishi PLC)
Figure 10- 1

Make sure you are properly
grounded before removing the
PLC from its rack, or before
working on the PLC to prevent
static discharge and potential
damage to the PLC.
Section 10 - Troubleshooting
Battery LED
CAUTION
Page 119