Prosoft-technology MVI69E-MBS Uživatelský manuál stáhnout pdf (Strana 145)

MVI69E-MBS ♦ CompactLogix Platform Reference

Communication Module User Manual

ProSoft Technology, Inc. Page 145 of 162

January 6, 2014

Block 9959: Request from Module to Processor

Offset

Description

Read Block ID: 9959

Write Block ID: 9959

Length in words

Data address

4 to 28

Modbus Data

29 to 53

Bit mask to use with the data set. Each bit to be considered with the data set has

a value of 1 in the mask. Bits to ignore in the data set has a value of 0 in the

mask.

54 to (n-1)

Spare

Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.

The ladder logic is responsible for parsing and copying the received message

and performing the proper control operation as expected by the Master device.

The processor must then respond to the pass-through control block with a write

block with the following format.

Block 9959: Response from Processor to Module

Offset

Description

Write Block ID: 9959

1 to (n-1)

Spare

This informs the module that the command has been processed and can be

cleared from the pass-through queue.

7.4.17 Pass-through Formatted Block for Function 22

Block 9960: Pass-through Formatted Block for Function 22

Block 9960: Request from Module to Processor

Offset

Description

Read Block ID: 9960

Write Block ID: 9960

Number of word registers in Modbus data set

Starting address for Modbus data set

4 to (n+1)

Data (Length in words = n - 2)

Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 161 162

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