Emerson Rosemount 6888A, Reference Manual

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Rosemount 6888A with Rosemount 6888Xi Advanced Electronics and
Autocalibration Sequencer
Figure 1-2:
A. Manual calibration switching panel
B. Reference air set
C. Rosemount SPS 4001B or Rosemount IMPS 4000
D. Rosemount 6888Xi Advanced Electronics
E. Rosemount 6888A O
2
Transmitter
1.4.9 Communication options
A customer-supplied 375/475 Field Communicator and/or the optional Rosemount 6888Xi
Advanced Electronics accomplish Rosemount 6888A communications. Graphic displays
are available via the optional Rosemount OxyBalance Display and Averaging System.
Data communications
You can configure and diagnostically troubleshoot the Rosemount 6888A in one of two
ways:
1. Using the optional Rosemount 6888Xi Advanced Electronics allows local
communication with the electronics. The Rosemount 6888Xi also offers the
following optional advanced features:
• Fully automatic calibration.
• Optional flame safety interface (single probe version only).
• High temperature operation [above 700 °C (1292 °F) standard temperature].
• Stoichiometer feature provides the ability to indicate O
2
efficiency when the
combustion process goes into reducing conditions (0% O
2
).
• Programmable reference provides enhanced accuracy when measuring at or
near O
2
level (20.95% O
2
).
Description and specifications
6 Rosemount 6888A