Removing/Replacing The Cpu Logic Module (3Cpu16) - Emerson FB3000 Instruction Manual

FB3000 RTU Instruction Manual
D301851X012
November 2023
2.
3.
Figure 5-5. Replacing the SRAM Battery
5.5 Removing/Replacing the CPU Logic Module
(3CPU16)
EXPLOSION HAZARD - MAY CAUSE DEATH
Ensure the RTU is in a non-hazardous area. Never open the enclosure in a hazardous
area. Performing this operation in a hazardous area could result in an explosion.
DANGER TO PERSONNEL AND EQUIPMENT
Switch the process this RTU controls over to whatever manual/backup system you
have.
Failure to do so may result in injury to personnel or cause damage to the equipment.
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Figure 5-4. Removing the SRAM Battery
Safely dispose of the old battery according to local regulations.
Slide the replacement battery in. The positive (+) side with the label must be facing
to the right side of the RTU. Push the battery access door back on.
DANGER
WARNING
Service and Troubleshooting