Emerson Rosemount OCX 8800 Reference Manual page 224

Maintenance and service
4.
214
Figure 9-3: OCX with remote electronics
A. Sensor housing
B. Heater power cable
C. Signal cable
D. Signal outputs
E. AC power input
F. Instrument air (reference gas)
G. High O test gas
2
H. Low O test gas
2
I. CO test gas
J. Electronics housing
Remove the cover from the sensor housing to expose the sensor housing terminal
blocks, Figure 9-4.
OCX 8800