Prosoft-technology MVI69E-MBS Bedienungsanleitung PDF herunterladen (Seite 134)

Reference MVI69E-MBS ♦ CompactLogix Platform

User Manual Communication Module

Page 134 of 162 ProSoft Technology, Inc.

January 6, 2014

7.4.4 Slave Polling Status Blocks

Blocks 3002 to 3006: Port 1 Slave Status

Blocks 3102 to 3106: Port 2 Slave Status

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

of each slave on the Master ports. 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 or 3102 to 3106: Request from Processor to Module

Offset

Description

Write Block ID: 3002 to 3006 for Port 1 and 3102 to 3106 for Port 2 slave polling

status request.

1 to (n-1)

Spare

Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.

Block 3002 to 3006 or 3102 to 3106: Response from Module to Processor

Offset

Description

Read Block ID: 3002 to 3006 or 3102 to 3106 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

4-61

Slave polling status data

62 to (n-1)

Spare

1 2 ... 129 130 131 132 133 134 135 136 137 138 139 ... 161 162

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Prosoft-technology MVI69E-MBS Bedienungsanleitung Seite 134