MVI56E-MNETCR ♦ ControlLogix Platform
Configuring the MVI56E-MNETCR Module
Modbus TCP/IP Multi-Client Enhanced Communications Module for Remote Chassis
User Manual
ProSoft Technology, Inc.
Page 47 of 161
Minimum Command Delay
0
to
65535
milliseconds
This parameter specifies the number of milliseconds to wait between the initial
issuances of a command. This parameter can be used to delay all commands
sent to servers to avoid "flooding" commands on the network. This parameter
does not affect retries of a command as they will be issued when failure is
recognized.
Response Timeout
0
to
65535
milliseconds
This is the time in milliseconds that a Client will wait before re-transmitting a
command if no response is received from the addressed server. The value to use
depends on the type of communication network used, and the expected
response time of the slowest device on the network.
Retry Count
0
to
10
This parameter specifies the number of times a command will be retried if it fails.
Float Flag
Y
ES
or
N
O
This flag specifies how the Client driver will issue Function Code 3, 6, and 16
commands (read and write Holding Registers) to a remote server when it is
moving 32-bit floating-point data.
If the remote server expects to receive or will send one complete 32-bit floating-
point value for each count of one (1), then set this parameter to
Y
ES
. When set to
Y
ES
, the Client driver will send values from two consecutive 16-bit internal
memory registers (32 total bits) for each count in a write command, or receive 32
bits per count from the server for read commands. Example: Count =
10
, Client
driver will send 20 16-bit registers for 10 total 32-bit floating-point values.
If, however, the remote server expects to use a count of two (2) for each 32-bit
floating-point value it sends or receives, or if you do not plan to use floating-point
data in your application, then set this parameter to
N
O
, which is the default
setting.
You will also need to set the
Float Start
and
Float Offset
parameters to
appropriate values whenever the
Float Flag
parameter is set to
Y
ES
.
Float Start
0
to
65535
Whenever the
Float Flag
parameter is set to
Y
ES
, this parameter determines the
lowest Modbus Address, used in commands to a remote server, to consider as
commands to read or write floating-point data. All commands with address values
greater than or equal to this value will be considered floating-point data
commands. All commands with address values less than this value will be
considered normal 16-bit register data commands.
Summary of Contents for MVI56E-MNETCR
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