7
BATTERY & TIME KEEPING
A battery is used to keep time when the unit is without power. Typical
accuracy of the G315C time keeping is less than one minute per month drift. The
battery of a G315C unit does not affect the unit’s memory, all configurations and
data is stored in non-volatile memory.
To change the battery of a G315C, remove power, cabling, and then the rear
cover of the unit. To remove the cover, remove the 16 screws on the rear of the
unit. Then, by lifting the top side, hinge the cover, thus providing clearance for
the connectors on the bottom side of the PCB as shown in the illustration
below. Install in the reverse manner.
Remove the old battery* from the holder and replace with the new battery.
Replace the rear cover, cables, and re-apply power. Using Crimson or the
unit’s keypad, enter the correct time and date.
* Please note that the old battery must be disposed of in a manner that
complies with your local waste regulations. Also, the battery must not be
disposed of in fire, or in a manner whereby it may be damaged and its contents
come into contact with human skin.
The battery used by the G315C is a lithium type CR2025.
BATTERY
EXPANSION
CARD
COVER PLATE
CAUTION: The circuit board contains static sensitive components.
Before handling the operator interface without the rear cover
attached, discharge static charges from your body by touching a
grounded bare metal object. Ideally, handle the operator
interface at a static controlled clean workstation. Also, do not
touch the surface areas of the circuit board. Dirt, oil, or other
contaminants may adversely affect circuit operation.
WARNING - EXPLOSION HAZARD - DO NOT DISCONNECT
EQUIPMENT UNLESS POWER HAS BEEN DISCONNECTED
AND THE AREA IS KNOWN TO BE NON-HAZARDOUS.
WARNING - EXPLOSION HAZARD - THE AREA MUST BE
KNOWN TO BE NON-HAZARDOUS BEFORE SERVICING/
REPLACING THE UNIT AND BEFORE INSTALLING OR
REMOVING I/O WIRING AND BATTERY.
WARNING - EXPLOSION HAZARD -
BATTERIES MUST ONLY BE CHANGED IN AN
AREA KNOWN TO BE NON-HAZARDOUS.
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