MVI69E-MBS ♦ CompactLogix™ Platform
Reference
Modbus Serial Enhanced Communication Module
User Manual
ProSoft Technology, Inc.
Page 140 of 159
8.4.9 Get Configuration File Block (9001 or -9001)
Block 9001 or -9001: Get Configuration File Information
This block requests the configuration file from the processor. The module returns the
requested contents of the configuration file.
Block 9001 or -9001: Request from Module to Processor
Offset
Description
0
Read Block ID: 9001 or -9001 request for configuration file from processor
1
Write Block ID: 9001 or -9001 to be used by the processor in its next Write block.
2-3
File offset: Offset of the first register in the configuration file to begin transferring data
from. If the size of the configuration file exceeds the block transfer size, the file is
transferred in multiple blocks, and the file offset tells the processor which part of the
configuration file is being requested by the individual block.
4-5
Number of bytes of the configuration file to include in next block
6-7
Copy of the data contained in registers 2 to 3.
Block 9001 or -9001: Response from Processor to Module
Offset
Description
0
Write Block ID: 9001 or -9001 configuration file data
1-2
File offset: Same as registers 2-3 of the previous request block
3-4
Data length: Same as registers 4-5 of the previous request block
5 to (n-1)
Contents of configuration file. If the size of the configuration file exceeds the block
transfer size, this information is transferred in multiple blocks.
Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.
