Prosoft-technology MVI69L-MBS Manual do Utilizador descarregar pdf (Página 126)

Reference MVI69L-MBS ♦ CompactLogix Platform

User Manual Communication Module

Page 126 of 154 ProSoft Technology, Inc.

January 6, 2014

7.4.4 Slave Polling Status Blocks

Blocks 3002: Port 1 Slave Status

Two arrays are allocated in the module’s primary object to hold the polling status

of each slave on the Master port. This status data can be used to determine

which slaves are currently active on the port, in communication error, or have

their polling suspended and disabled.

Block 3002 to 3006: Request from Processor to Module

Offset

Description

Write Block ID: 3002 to 3006 for Port 1 slave polling status request.

1 to 239

Spare

Block 3002 to 3006: Response from Module to Processor

Offset

Description

Read Block ID: 3002 to 3006 requested by the processor.

Write Block ID: To be used by the processor in its next Write block.

Slave ID offset: Index of first slave in block

Number of slaves in this block

4 to 61

Slave polling status data

62 to 239

Spare

1 2 ... 121 122 123 124 125 126 127 128 129 130 131 ... 153 154

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Prosoft-technology MVI69L-MBS Manual do Utilizador Página 126