Prosoft-technology 5201-MNET-ASCII Manual de usuario descargar pdf (Pagina 32)

Modbus TCP/IP Protocol Configuration MNET ♦ ProLinx Gateway

Driver Manual Modbus TCP/IP Interface Module

Page 32 of 78 ProSoft Technology, Inc.

September 1, 2010

2.6.1 From Address

0 to highest Status Data address

This field specifies the beginning internal database register address for the copy

operation. This address can be any valid address in the User Data Area or the

Status Data Area of the gateway.

2.6.2 To Address

0 to 3999

This parameter specifies the beginning destination register address for the copy

operation. This address must always be within the User Data registers area.

Take care to specify a destination address that will not overwrite data that has

been stored in memory by one of the communication protocols running on the

gateway.

2.6.3 Register Count

1 to 100

This parameter specifies the number of registers to copy.

2.6.4 Swap Code

NO CHANGE, WORD SWAP, WORD AND BYTE SWAP, BYTE SWAP

You may need to swap the order of the bytes in the registers during the copy

process in order to change the alignment of bytes between dissimilar protocols.

This parameter is helpful when dealing with floating-point or other multi-register

values, as there is no standard method of storage of these data types in slave

devices.

The following table defines the values and their associated operations:

Swap Code Description

No Swap No change is made in the byte ordering (1234 = 1234)

Word Swap The words are swapped (1234=3412)

Word and

Byte Swap

The words are swapped, then the bytes in each word are swapped (1234=4321)

Bytes The bytes in each word are swapped (1234=2143)

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 77 78

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Prosoft-technology 5201-MNET-ASCII Manual de usuario Pagina 32