ProSoft Technology MVI56E-MNETC - Manual (Page 101)

MVI56E-MNETC ♦ ControlLogix Platform Diagnostics and Troubleshooting
Modbus TCP/IP Client Enhanced Communication Module User Manual
ProSoft Technology, Inc. Page 101 of 183
February 3, 2013
4.3 Reading Status Data from the Module
Module status information is useful for troubleshooting and can be accessed in
several different ways.
In the ladder logic's MNETC.STATUS controller tag structure.
The MVI56E-MNETC module returns status data in the input image that can be
used to determine the module’s operating status. This data is transferred from
the module to the ControlLogix processor continuously as part of the normal data
transfer block sequence (page 114). You can view this data in the
MNETC.STATUS controller tag structure in the ladder logic.
Client status data can also be requested and returned in a special Client Status
block (page 122), outside of the normal data transfer block sequence. The status
data contained in the Client Status block is different from the status data in the
normal data transfer blocks. It can also be viewed in the MNETC.STATUS
controller tag structure.
For more information about status data in MNETC.STATUS, see the Status Data
Definition (page 102).
In ProSoft Configuration Builder's Diagnostics screens.
For more information, see the section on PCB Diagnostics (page 95).
In database locations specified by Error/Status Pointers (optional).
If optional Error/Status Pointers are enabled, status data can also be found in the
Read Data area of the module’s database at the locations specified by the
pointer configuration parameters. For more information, see Backplane
Error/Status Pointer (page 43), Client Error/Status Pointer (page 49) and
Command Error Pointer (page 49).