Rockwell Automation MD65 EtherNet/IP Communication Module User Manual

Page 145

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EtherNet I/P Objects

C-17

Important:

If CIP messaging is available, use the CIP Parameter
object to get and set parameters.

N42

This N-file lets you read and write some values configuring the port

N42:3

Time-out (read/write): Time (in seconds) allowed between messages to the N41
or N44 file. If the module does not receive a message in the specified time, it
performs the fault action configured in its Comm Flt Action parameter.

N42:7

Module Port Number (read only): MDI port on the drive to which the module is
connected.

N42:8

Peer Modules (read only): Bit field of devices having MDI Peer capabilities.

N44

For Multi-Drive Mode Only

This N-file lets you read and write control I/O messages. You can write control I/O
messages only when all of the following conditions are true:

The module is not receiving I/O from a scanner. For example, there is no

scanner on the network, the scanner is in idle (program) mode, the scanner
is faulted, or the module is not mapped to the scanner.

The value of N42:3 is set to a non-zero value.

Write

Read

N44:0
N44:1
N44:2
N44:3
N44:4
N44:5
N44:6
N44:7
N44:8
N44:9
N44:10

Drive 0 Logic Command
Unused
Drive 0 Reference
Drive 1 Logic Command
Drive 1 Reference
Drive 2 Logic Command
Drive 2 Reference
Drive 3 Logic Command
Drive 3 Reference
Drive 4 Logic Command
Drive 4 Reference

Drive 0 Logic Status
Unused
Drive 0 Feedback
Drive 1 Logic Status
Drive 1 Feedback
Drive 2 Logic Status
Drive 2 Feedback
Drive 3 Logic Status
Drive 3 Feedback
Drive 4 Logic Status
Drive 4 Feedback

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