User guide

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