Table conventions, Legacy parameter table – Winco DGC-2020 User Manual

Page 284

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B-8 DGC-2020

Modbus

Communication

9400200990 Rev K

MAPPING - DGC-2020 PARAMETERS INTO MODICON ADDRESS SPACE

Table Conventions
Table B-3 uses the conventions outlined in this section.
The “Data Format” column uses the following abbreviations:

 DP - Double Precision
 TP - Triple Precision
 FP - Floating Point

Data formatted in Double Precision uses a 2-register group designated (a) and (b) and is defined as
follows:

 Register (a) - 2 hi-order bytes
 Register (b) - 2 lo-order bytes

Data formatted in Triple Precision uses a 3 register group designated (a), (b) and (x). It is defined as
follows:

 Register (a) - 2 hi-order bytes
 Register (b) - 2 mid-order bytes
 Register (x) - 2 lo-order bytes

Other register groups using the (a), (b), etc. designators are an ordered data group of consecutive ASCII
characters or data bytes.

Legacy Parameter Table
The DGC-2020 maps all legacy parameters previously associated with the DGC-500 and DGC-1000 into
the Holding Register address space (40000 to 41999). Query address N will access the Holding Register
N+1. The Data Format is Integer type data unless identified otherwise in the Data Format column.

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