Prosoft-technology 5201-MNET-ASCII Manual de usuario descargar pdf (Pagina 25)

MNET ♦ ProLinx Gateway Modbus TCP/IP Protocol Configuration

Modbus TCP/IP Interface Module Driver Manual

ProSoft Technology, Inc. Page 25 of 78

September 1, 2010

2.5.2 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 Supported in Client Supported in Server

1 Read Coil Status X X

2 Read Input Status X X

3 Read Holding Registers X X

4 Read Input Registers X X

5 Set Single Coil X X

6 Single Register Write X X

7 Read Exception Status X

8 Diagnostics X

15 Multiple Coil Write X X

16 Multiple Register Write X X

22 Mask Write 4X X

23 Read/Write X

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.

2.5.3 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)

Code Register 1/10th Seconds Word

Count

0 IP Address Port # Address Read Input Registers

(3x)

Code 1 bit 1/10th Seconds Bit

Count

0 IP Address Port # Address Force (Write) Single

Coil (0x)

Code 1 bit 1/10th Seconds Word

Count

0 IP Address Port # Address Preset (Write) Single

Code Register

(bit)

1/10th Seconds Bit

Count

0 IP Address Port # Address Force (Write) Multiple

Coil (0x)

Code Register 1/10th Seconds Word

Count

0 IP Address Port # Address Preset (Write) Multiple

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 77 78

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