Emerson Rosemount OCX 8800 Reference Manual page 220

Maintenance and service
Figure 9-1: OCX with integral electronics
A. Adapter plate
B. Signal outputs (twisted pairs)
C. AC power input
D. Instrument air (reference gas)
E. High O test gas
2
F. Low O test gas
2
G. CO test gas
H. Electronics housing
I. Sensor housing
WARNING!
EXPLOSION HAZARD
Before removing the cover from the sensor or electronics housing, allow at least 45
minutes to pass after power is disconnected. Failure to allow adequate time for all
internal electrical charges to dissipate can result in serious injury or death.
4. Remove the cover from the electronics housing to expose the electronics housing
and terminal blocks, Figure 9-2.
210 OCX 8800