ProSoft Technology MVI56-AFC - Manual (Page 6)

Contents MVI56-AFC ♦ ControlLogix Platform
User Manual Liquid and Gas Flow Computer
Page 6 of 316 ProSoft Technology, Inc.
February 25, 2011
3.6.2 Meter Scan Time..................................................................................................... 37
3.6.3 Multiple Meter Accumulators .................................................................................. 37
3.6.4 Product Batching .................................................................................................... 37
3.6.5 Data Archiving......................................................................................................... 38
3.6.6 Event Log Function ................................................................................................. 38
3.6.7 Measurement Units ................................................................................................. 38
3.6.8 Process Input Scaling ............................................................................................. 39
4 Meter Proving 41
4.1 Prover Configuration ............................................................................................... 42
4.1.1 Prover Type ............................................................................................................ 42
4.1.2 Prover Options ........................................................................................................ 46
4.1.3 Run Counts ............................................................................................................. 47
4.1.4 Run Input Setup ...................................................................................................... 47
4.1.5 Prover Characteristics ............................................................................................ 49
4.2 Setting up the AFC module for Meter Proving ........................................................ 51
4.2.1 Initial Requirements ................................................................................................ 53
4.2.2 Meter Proving Alarms ............................................................................................. 54
4.2.3 Prover Operation (How to do a Prove) ................................................................... 57
4.3 Meter Proving Reports ............................................................................................ 63
4.4 Protected Meter Proving Data in the AFC's Input Register Bank ........................... 64
4.4.1 Latest Prove Results ............................................................................................... 64
4.4.2 Meter Previous Prove Summary ............................................................................. 67
5 Modbus Database 69
5.1 AFC Modbus Address Space ................................................................................. 70
5.1.1 Accessing the Data ................................................................................................. 70
5.2 Primary Slave.......................................................................................................... 71
5.2.1 Modbus Address References ................................................................................. 71
5.2.2 Modbus Address Examples .................................................................................... 71
5.2.3 Meter-relative Data ................................................................................................. 72
5.2.4 Scratchpad .............................................................................................................. 73
5.3 Virtual Slave ............................................................................................................ 74
5.3.1 Virtual Slave Example Application .......................................................................... 75
6 Modbus Communication 77
6.1 Communication Parameters ................................................................................... 78
6.2 Port Options ............................................................................................................ 79
6.3 Modbus Master ....................................................................................................... 80
6.3.1 Example .................................................................................................................. 81
6.4 Modbus Pass-Through ........................................................................................... 82
7 Accumulators 83
7.1 Accumulator Totalizer and Residue ........................................................................ 84
7.2 Accumulator Types ................................................................................................. 85
7.2.1 Non-Resettable Accumulators ................................................................................ 85
7.2.2 Resettable Accumulators ........................................................................................ 85
7.2.3 Archive Accumulators ............................................................................................. 88