2 port 1 setup – ProSoft Technology MVI56E-MCM/MCMXT User Manual

Page 145

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MVI56E-MCM ♦ ControlLogix Platform

Reference

Modbus Communication Module

User Manual

ProSoft Technology, Inc.

Page 145 of 199

June 18, 2014

Register

Content

Description

10,005

Error Status Pointer

This parameter specifies the register location in the
module's database where module status data will
be stored. If a value less than zero is entered, the
data will not be stored in the database. If the value
specified in the range of 0 to 9940, the data will be
placed in the user data area.

10,006 to 10,009

Spare

6.5.2 Port 1 Setup

Register

Content

Description

10,010

Enable

This parameter defines if this Modbus Port will be
used. If the parameter is set to 0, the port is
disabled. A value of 1 enables the port.

10,011

Type

This parameter specifies if the port will emulate a
Modbus Master device (0), a Modbus Slave device
without pass-through (1), a Modbus Slave device
with unformatted pass-through (2), a Modbus Slave
device with formatted pass-through and data
swapping (3), or a Modbus Slave device with
formatted pass-through and no data swapping (4).

10,012

Float Flag

This flag specifies if the floating-point data access
functionality is to be implemented. If the float flag is
set to 1, Modbus functions 3, 6, and 16 will
interpret floating-point values for registers as
specified by the two following parameters.

10,013

Float Start

This parameter defines the first register of floating-
point data. All requests with register values greater
than or equal to this value will be considered
floating-point data requests. This parameter is only
used if the Float Flag is enabled.

10,014

Float Offset

This parameter defines the start register for
floating-point data in the internal database. This
parameter is only used if the Float Flag is enabled.

10,015

Protocol

This parameter specifies the Modbus protocol to be
used on the port. Valid protocols are: 0 = Modbus
RTU and 1 = Modbus ASCII.

10,016

Baud Rate

This is the baud rate to be used on the port. Enter
the baud rate as a value. For example, to select
19K baud, enter 19200. Valid entries are 110, 150,
300, 600, 1200, 2400, 4800, 9600, 19200, 28800,
384 (for 38400 bps), 576 (for 57600 bps), and 115
(for 115,200 bps).

10,017

Parity

This is the parity code to be used for the port.
Values are None, Odd, Even.

10,018

Data Bits

This parameter sets the number of data bits for
each word used by the protocol. Valid entries for
this field are 5 through 8.

10,019

Stop Bits

This parameter sets the number of stop bits for
each data value sent. Valid entries are 1 and 2.

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