ProSoft Technology MVI56E-MNETCR User Manual
Page 55
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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 55 of 159
June 14, 2011
Commands Supported by the Module
The format of each command in the list depends on the Modbus Function Code
being executed.
The following table lists the functions supported by the module.
Function Code
Definition
1
Read Coil Status
2
Read Input Status
3
Read Holding Registers
4
Read Input Registers
5
Force (Write) Single Coil
6
Preset (Write) Single Register
15
Force (Write) Multiple Coils
16
Preset (Write) Multiple Registers
Each command list record has the same general format. The first part of the
record contains the information relating to the communication module and the
second part contains information required to interface to the Modbus TCP/IP
server device.
Command Entry Formats
The following table shows the structure of the configuration data necessary for
each of the supported commands.
1
2
3
4
5
6
7
8
9
10
Enable
Code
Internal
Address
Poll Interval
Time
Count
Swap
Code
IP Address Serv
Port
Slave
Node
Function Code
Device Modbus
Address
Code
Register
(bit)
1/10th Seconds Bit
Count
0
IP Address Port # Address Read Coil (0x)
Register
Code
Register
(bit)
1/10th Seconds Bit
Count
0
IP Address Port # Address Read Input (1x)
Register
Code
Register 1/10th Seconds Word
Count
Code IP Address Port # Address Read Holding
Registers (4x)
Register
Code
Register 1/10th Seconds Word
Count
0
IP Address Port # Address Read Input Registers
(3x)
Register
Code
1 bit
1/10th Seconds Bit
Count
0
IP Address Port # Address Force (Write) Single
Coil (0x)
Register
Code
1 bit
1/10th Seconds Word
Count
0
IP Address Port # Address Preset (Write) Single
Register (4x)
Register
Code
Register
(bit)
1/10th Seconds Bit
Count
0
IP Address Port # Address Force (Write)
Multiple Coil (0x)
Register
Code
Register 1/10th Seconds Word
Count
0
IP Address Port # Address Preset (Write)
Multiple Register (4x)
Register
The first part of the record is the module information, which relates to the MVI56E
module and the second part contains information required to interface to the
server device.