3 archive fetch to plc from afc – ProSoft Technology PTQ-AFC User Manual
Page 183
PTQ-AFC ♦ Modicon Quantum Platform
Backplane Communication
Liquid and Gas Flow Computer for Hydrocarbon Products
User Manual
ProSoft Technology, Inc.
Page 183 of 259
June 23, 2011
Offset
Description Gas
Liquid
5
Calc Result 1
Net Accumulator (DW)
Net Accumulator (DW)
6
Calc Result 2
Net Flow Rate (FP)
Net Flow Rate (FP)
7
Calc Result 3
Net Flow Rate (FP)
Net Flow Rate (FP)
8
Calc Result 4
Gross Flow Rate (FP)
Gross Accumulator (DW)
9
Calc Result 5
Gross Flow Rate (FP)
Gross Accumulator (DW)
10
Calc Result 6
Fpv (FP)
Gross Standard Accumulator (DW)
11
Calc Result 7
Fpv (FP)
Gross Standard Accumulator (DW)
12
Calc Result 8
Cprime (FP)
Mass Accumulator (DW)
13
Calc Result 9
Cprime (FP)
Mass Accumulator (FP)
FP = Floating Point (occupies 2 words)
DW = Double Integer (occupies 2 words)
9.2.3 Archive Fetch to PLC from AFC
The following registers should be set by the Quantum in the Process Input from
PLC to AFC block.
Offset
Description Type
Comments
53
Meter Archive Record Fetch
Signal
(=0 signal not present)
54
Meter Archive Record Age
Output
(=0 current)
55
Meter Archive File Select
Output
(=0 daily, 1=hourly)
After the Meter Archive Record Fetch register is set to a value different from 0
(zero) the command will be sent to the module. The meter archive fetch block
has the following structure:
Offset
Description Type
Comments
0
Archive Record Fetch Error
Input
1
Reserved Input
2 to 42
Data Input
This block is optional, and must be defined only if the application intends to use
this feature.