Rockwell-automation 5720 DriveLogix System Manual de usuario Pagina 51

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Publication 20D-UM002C-EN-P - November 2003
What Is DriveLogix? 2-17
the controller. However, the controller can use a MSG instruction to get
information directly to or from a DeviceNet device.
Determining Total
Connection Requirements
To calculate the total connection requirements for a DriveLogix controller,
consider the connections to local I/O modules, the host PowerFlex 700S drive
and the connections to remote modules.
Use the following table to tally local connections:
Regardless of how you configure the I/O modules (rack-optimized or direct
connect) on the local rail, the controller establishes a rack-optimized
connection for the rail. The data for any I/O module configured for a
rack-optimized connection is stored in the rack-optimized connection for the
rail. You can have 8 I/O modules, for a maximum of 8 direct connections.
Connection Type: Device
Quantity:
Connections
per Device:
Total
Connections:
connection to host PowerFlex 700S drive 1 1 1
rack-optimized connection for the local DIN rail 2 1 2
I/O module (rack-optimized connection) on local rail 0
I/O module (direct connection) on local rail 1
1788-CNx ControlNet communication card 0 0
1788-DNBO communication card (rack-optimized connection) 2
1788-ENBT Ethernet/IP communication card 0 0
total
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