Emerson Rosemount 700XA Reference Manual page 158

Operation and maintenance
June 2022
5. Note the location and direction of any board removed. Release the catch(es) and
6. Close and latch the electronics enclosure door.
7. Apply power to the GC.
Replace AC/DC power supply
The AC/DC power supply is mounted on the left wall of the lower enclosure adjacent to the
card cage. To access it, remove the front panel and the switch panel or local operator
interface (LOI) from the lower enclosure.
WARNING
Explosion
Failure to de-energize the analyzer may cause an explosion and severely injure personnel.
Before opening the analyzer, disconnect all electrical power and ensure that the area is
free of explosive gases.
Keep cover tight while circuits are live.
Use cables or wires suitable for the marked "T" ratings.
Cover joints must be cleaned before replacing the cover.
Conduit runs to the enclosure must have sealing fitting adjacent to enclosure.
158
Figure 5-43: PCBs in the card cage
remove/replace the circuit board(s) as necessary.
Reference Manual
2-3-9000-744
Emerson.com/Rosemount