Software User Manual FRN 1.2 Owner manual

343 Publication 1758-UM002D-EN-P - October 2010

Chapter

Global Event Codes for Modbus Protocols

Global Event Codes

The following table lists the codes for global events. They are not specific to

meter runs and are common to the controller.

Codes for system events

Code System Event

1 Power on

2 Power off

3 Contract time changed

4 Watchdog reset

5 Set date or time

6…10 Reserved

Codes for parameter modification events

Code Parameter Modification Event

11 Enable meter run

12 Disable meter run

13 Unit changed

14 Start to accumulate

15 Stop to accumulate

16 Enable or disable the automatic component analysis instrument

17 AGA calculation type modified

18 Method selected for the calculation of the compressibility factor modified

19 Calculation interval modified

20 BMP (base multiplier period) modified

21 Contract standard reference ratio pressure modified

22 Contract standard reference ratio temperature modified

23 Cut-off differential/Cut-off pulse modified

24 Pressure type modified

25 Atmospheric pressure modified

26 Tap location modified

27 Orifice material modified

28 Orifice diameter modified

29 Orifice reference temperature modified