Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 659)

Miscellaneous Parameters
Chapter 37
37-19
Function
Use this parameter to specify if you install battery back-up for the
SuperCap on the CPU board. If you install battery back-up, select ‘yes’
and the control displays status messages when the battery runs low. If you
do not install battery back-up, select ‘no’.
Parameter
Number
620
Range
Selection Result
(a) Yes
(b) No
Notes
Setting this parameter to yes when no battery is present could cause the
battery low message to be displayed. Setting this parameter to no when the
battery is present will bypass all battery tests and a battery failure can
occur without prior notice of a battery low warning.
Function
Use this parameter to specify what type of display you have in your
operator panel: color or monochrome. Choose color for both the flat
panel and CRT versions of the operator panel. Choose monochrome for
the portable and standard monochrome operator panels.
Parameter
Number
621
Range
Selection Result
(a) Monochrome
(b) Color
37.21
Battery Back-up Installed
37.22
Type of Operator Panel