Prosoft-technology 5201-MNET-ASCII Instrukcja Użytkownika Pobierz pdf (Strona 12)

Functional Overview MNET ♦ ProLinx Gateway

Driver Manual Modbus TCP/IP Interface Module

Page 12 of 78 ProSoft Technology, Inc.

September 1, 2010

1.3 Modbus TCP/IP

ProSoft’s Modbus TCP/IP implementation uses the module’s shared internal

memory for data transfer. Sharing the memory with another protocol driver allows

the module to transfer data between Modbus TCP/IP devices and other devices

on other networks.

Configurable floating-point data movement is supported, including support for

Enron or Daniel

floating-point applications.

Modbus TCP/IP Server (Slave)

The server driver accepts incoming connections on Service Port 502 for clients

using Modbus TCP/IP MBAP messages and from clients on Service Port 2000

(or other Service Ports) for clients using Encapsulated Modbus messages..

 Supports five independent server connections for Service Port 502 (MBAP)

 Supports five independent server connections for Service Port 2000

(Encapsulated)

 Supports a total Modbus TCP/IP data transfer capacity of up to 4000

registers or up to 64,000 bits in any combination of data types throughout the

memory database

 Modbus data types overlap in the gateway’s memory database, so the same

data can be conveniently read or written as bit-level or register-level data.

Modbus TCP/IP Client (Master)

 Actively reads data from and writes data to Modbus TCP/IP devices, using

MBAP or Encapsulated Modbus message formats

 Offers one client connection with up to 100 commands to talk to multiple

severs

Status Data

Error codes, counters, and port status available

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 77 78

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Prosoft-technology 5201-MNET-ASCII Instrukcja Użytkownika Strona 12