ProSoft Technology MVI69-MCM - Manual (Page 151)

MVI69-MCM ♦ CompactLogix or MicroLogix Platform Reference
Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 151 of 167
March 22, 2011
5.8 MCM Database Definition
This section contains a listing of the internal database of the MVI69-MCM
module. This information can be used to interface other devices to the data
contained in the module.
Register Range Content Size
0 to 4999 User Data 5000
5000 to 5009 Backplane Configuration 10
5010 to 5039 Port 1 Setup 30
5040 to 5069 Port 2 Setup 30
5070 to 5869 Port 1 Commands 800
5870 to 6669 Port 2 Commands 800
6670 to 6702 Misc. Status Data 32
6703 to 6749 Reserved
6750 to 6759 Port 1 Status Data 10
6760 to 6769 Port 2 Status Data 10
The User Data area holds data collected from other nodes on the network
(master read commands) or data received from the processor (write blocks).
Additionally, this data area is used as a data source for the processor (read
blocks) or other nodes on the network (write commands).