C-15
MC-III™ Panel Mount Flow Analyzer Appendix C
The Control register allows specic functions to be implemented via the communication port. The following
table shows the value to be written to the control register to implement the desired function.
Code Function
20000
Transfers the polling total and polling run time
to the previous polling total and previous polling
run time registers, increments the polling index
register, and resets the polling total and polling run
time registers.
30000 Resets grand total
40000 Loads factory defaults
40040 Creates processor reset
Wellsite Parameters
Register
(Decimal)
Register
(Hex)
Description
Data
Type
Access
200 00C8 Company Name [20 characters] PA RO
210 00D2 Well Name [20 characters] PA RO
220 00DC Site Location [20 characters] PA RO
300 012C Site ID [20 characters] PA RO
310 0136 Tag Name [10 characters] PA RO
315 013B Legal Description [34 characters] PA RO
400 0190 Sensor Model Number [20 characters] PA RO
410 019A Sensor Serial Number [20 characters] PA RO
420 01A4 Measurement Type [20 characters] PA RO
500 01F4 User Note [64 characters] PA RO
These registers provide access to the ASCII characters that are used in the Wellsite Information screen of the
software. These registers are read-only; if these parameters need to be changed, the user must use the interface
software program.
Log Data
The MC-III provides Enron Modbus
®
compliant downloads. For detailed instructions on downloading hourly,
daily and event data, refer to Specications and Requirements for an Electronic Flow Measurement Remote
Terminal Unit for Enron Corp. If an Enron host is not available or is too cumbersome to implement, the Enron
records are individually addressed in another Modbus
®
map. Contact Cameron technical support for details.
The following registers are used for hourly, daily and event log registers. Hourly and daily records comprise
ve values (registers). See the Enron Hourly/Daily Record Format, page C-16. Note that event records are
downloaded one at a time.
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