ProSoft Technology inRAX MVI56E-MNETCR User Manual page 99

MVI56E-MNETCR ♦ ControlLogix Platform
Modbus TCP/IP Multi Client Enhanced Communications Module for Remote Chassis
Data contained in this database is paged through the input and output images by
coordination of the ControlLogix ladder logic and the MVI56E-MNETCR module's
program. Up to 40 words of data can be transferred from the module to the
processor at a time. Up to 40 words of data can be transferred from the
processor to the module. Each image has a defined structure depending on the
data content and the function of the data transfer. The module uses the following
block numbers:
Block Range
-1
0
1 to 125
1000 to 1124
2000 to 2029
3000 to 3029
5001 to 5016
9990
9991
9998
9999
These block identification codes can be broken down into a few groups: Normal
data transfer blocks (-1 to 125), Initialization blocks (1000 to 1124), and
Command control blocks (2000, 5000 to 5016, 9998 and 9999).
ProSoft Technology, Inc.
June 14, 2011
Descriptions
Null block
Null block
Read or write data
Output Initialization Blocks
Event Command Block (page 103)
Client status request/response blocks (page 105)
Command Control (page 106, page 102)
Set new module IP address (page 107)
Get module IP address
Warm-boot control block (page 109)
Cold-boot control block
Reference
User Manual
Page 99 of 159