Model 2000 Flow Computer Instruction Manual
APPENDIX 6
Model 2000 issue 21 Page No
96
APPENDIX 6c FlowSIC 600
The FlowSIC 600 ultrasonic meter is read using 4 modbus packets. Packet 1 contains the following data:-
Address Type Size Name
3001 Unsigned Integer 2 bytes Type
3002 Unsigned Integer 2 bytes Control
3003 Unsigned Integer 2 bytes Status
3004 - 3007 Unsigned Integer 2 bytes Path Status. Paths 1 to 4.
3008 - 3011 Unsigned Integer 2 bytes Path Samples. Paths 1 to 4.
3012 - 3019 Unsigned Integer 2 bytes AGC Level. Paths 1 to 4.
Packet 2 contains the following data:-
Address Type Size Name
5001 Unsigned Integer 4 bytes Device Serial Number
5002 Unsigned Integer 4 bytes Software Version
5003 Unsigned Integer 4 bytes Analogue Serial Number
5004 Unsigned Integer 4 bytes CRC Constant
5005 Unsigned Integer 4 bytes CRC Program
5006 Unsigned Integer 4 bytes CRC Parameters
Packet 3 contains the following data:-
Address Type Size Name
5010 Unsigned Integer 4 bytes Positive Volume
5011 Unsigned Integer 4 bytes Positive Volume Error
5012 Unsigned Integer 4 bytes Negative Volume
5013 Unsigned Integer 4 bytes Negative Volume Error
5014 Unsigned Integer 4 bytes Counter Resolution
Packet 4 contains the following data:-
Address Type Size Name
7001 Floating Point 4 bytes Line volume flow rate
7002 Floating Point 4 bytes Base volume flow rate
7003 Floating Point 4 bytes Velocity of sound
7004 Floating Point 4 bytes Velocity of gas
7005 - 7008 Floating Point 4 bytes Path velocity of sound. Paths 1 to 4.
7009 - 7012 Floating Point 4 bytes Path velocity of gas. Paths 1 to 4.
7013 - 7020 Floating Point 4 bytes Snr receiver. Paths 1 to 4.
APPENDIX 6d Panametrics GM 868
The Panametrics GM 868 ultrasonic meter is read using 1 modbus packet. This packet contains the following data:-
Address Type Size Name
3 - 4 Floating Point 4 bytes Velocity of sound
5 - 6 Floating Point 4 bytes Actual volume flow rate
7 - 8 Floating Point 4 bytes Standard volume flow rate
9 - 10 Unsigned Integer 4 bytes Forward total
11 - 12 Unsigned Integer 4 bytes Reverse total
13 Unsigned Integer 2 bytes Counter Scaling
22 Unsigned Integer 2 bytes Status
26 - 27 Floating Point 4 bytes Density
28 - 29 Floating Point 4 bytes Signal strength upstream
30 - 31 Floating Point 4 bytes Signal strength downstream
32 - 33 Floating Point 4 bytes Temperature
33 - 34 Floating Point 4 bytes Pressure