ProSoft Technology MVI56E-MNETC User Manual
Page 54
Guide to the MVI56E-MNETC User Manual
MVI56E-MNETC ♦ ControlLogix Platform
User Manual
Modbus TCP/IP Client Enhanced Communication Module
Page 54 of 183
ProSoft Technology, Inc.
February 3, 2013
Command list example:
Enable
N
O
(0) or Y
ES
(1)
This field defines whether or not the command is to be executed.
Value
Description
N
O
(0)
The command is disabled and will not be executed in the normal polling
sequence.
Y
ES
(1)
The command is executed each scan of the command list if the Poll Interval
Time is set to zero (0). If the Poll Interval time is set, the command will be
executed when the interval timer expires.
C
ONDITIONAL
(2)
For function codes 5, 15, 6, or 16; data will be sent to the target device only
when the data to be written has been changed. This applies only to write
commands.
Important: The commands must also be enabled in the ladder logic in order for
them to be executed. The MNETC.CONTROL.CmdControl.WriteCmdBits[x]
controller tag array holds 16-command bit arrays for each Client. If a bit for a
specific command is set to zero (0) in the WriteCmdBits[x] controller tag, the
command will not be executed, regardless of its enabled or disabled state in the
configuration. For more information, see Command Control Blocks (page 12