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MVI69E-MBS ♦ CompactLogix™ Platform
Reference
Modbus Serial Enhanced Communication Module
User Manual
ProSoft Technology, Inc.
Page 144 of 159
8.4.12 Get Port and Command Active Bits Block (9501)
Block 9501: Get Port and command active bits
This block requests the enabled/disabled status of ports and Master commands.
Block 9501: Request from Processor to Module
Offset
Description
0
Write Block ID: 9501 to get port and command enable/disable state
1 to (n-1)
Spare
Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.
Block 9501: Response from Module to Processor
Offset
Description
0
Read Block ID: 9501 requested by processor.
1
Write Block ID: To be used by the processor in its next Write block.
2
Port 1 active state: 0=disabled, 1=enabled
3 to 22
Command enable bits for Port 1 commands (0=disabled, 1=enabled)
23
Port 2 active state: 0=disabled, 1=enabled
24 to 43
Command enable bits for Port 2 commands (0=disabled, 1=enabled)
44 to (n-1)
Spare