Rockwell Automation 2711-NB3 Real-Time Clock Module for PanelView Terminals User Manual
Page 4

4 Real-Time Clock Module for PanelView Terminals
Publication 2711-IN038D-MU-P - September 2003
To replace the RTC module:
1. Turn power off to the PanelView terminal.
2. Remove power cable and all communication cables.
3. Place an ESD protective band on your wrist before proceeding.
4. Remove the screws that secure the back cover and remove the back cover.
5. Locate the RTC module. The module location varies slightly between
terminals but is located near the LED indicators. The RTC module has
“DALLAS Timekeeping RAM” printed on the top.
6. Carefully remove the old RTC module.
TIP
Backup the currently loaded application. The application will
become unusable after the RTC is replaced.
ATTENTION
Disconnect all power from the PanelView terminal
before replacing the RTC module. Failure to disconnect
power may result in electrical shock and/or damage to
the terminal.
ATTENTION
To prevent damage to terminal components from
electrostatic discharge (ESD), wear an ESD protective
wrist band.
TIP
On PanelView 550 terminals, remove the lamp access
cover, disconnect the lamp cable connector, and
remove the fiber optic cable from the mounting clip.
Refer to the backlight replacement instructions as
required to perform these procedures.
IMPORTANT
Note the orientation of the RTC module before removing. The
new module has to be installed the same way.