Prosoft-technology MVI71-MNET Manual do Utilizador descarregar pdf (Página 74)

MVI71-MNET ♦ PLC Platform Reference

Modbus TCP/IP Interface Module User Manual

Page 74 of 109 ProSoft Technology, Inc.

June 23, 2009

Offset Description Length

50 0 1

51 9959 1

52 Number of word registers in Modbus data set 1

53 Starting word address for Modbus data set 1

54 to 83 Modbus data set 30

84 to 113

Bit mask to use with the data set. Each bit to be considered

with the data set will have a value of 1 in the mask. Bits to

ignore in the data set will have a value of 0 in the mask.

Offset Description Length

50 0 1

51 9970 1

52 1 1

53 0 1

The ladder logic should copy and parse the received message and control the

processor as expected by the master device. The processor must respond to the

formatted pass-through control blocks with a write block. The following tables

describe the format of the write blocks.

Offset Description Length

50 9956, 9957, 9958, 9960 or 9961 1

Offset Description Length

50 9956, 9957, 9958, 9960 or 9961 1

Offset Description Length

50 9970 1

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 108 109

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Prosoft-technology MVI71-MNET Manual do Utilizador Página 74