Prosoft-technology MVI71-MNET Instrukcja Użytkownika Pobierz pdf (Strona 68)

MVI71-MNET ♦ PLC Platform Reference

Modbus TCP/IP Interface Module User Manual

Page 68 of 109 ProSoft Technology, Inc.

June 23, 2009

Offset Description Length

3 Starting address for Modbus data set 1

4 to 63 Modbus data set 60

Offset Description Length

0 9959 1

1 9959 1

2 Number of word registers in Modbus data set 1

3 Starting word address for Modbus data set 1

4 to 33 Modbus data set 30

34 to 63

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

0 9970 1

1 9970 1

2 1 1

3 0 1

4 to 63 Spare data area 60

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

0 9956, 9957, 9958, 9960 or 9961 1

1 to 63 Spare 63

Offset Description Length

0 9959 1

1 to 63 Spare 63

Offset Description Length

0 9970 1

1 to 63 Spare 63

In order to copy status data from module to processor, use the Error/Status

Pointer parameter in the [Module] section of the configuration file.

Move Status to desired database registers, then create a rung in the ladder logic

to pass them to the processor.

Program Scan Counter 1

Block Transfer Status 6

Not used 10

MNet Server Status 10

MBAP Server Status 10

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 108 109

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