Rockwell Automation 20-750-ENETR PowerFlexDual-Port EtherNet/IP Option Module User Manual
Page 43
Rockwell Automation Publication 750COM-UM008A-EN-P - July 2012
43
Configuring the Option Module
Chapter 3
1.
Decide how many Datalink parameters you want to transmit, and set
Device Parameter 39 - [DLs To Peer Cfg] to that value.
2.
Determine how the Datalinks are allocated.
The highest numbered of the 16 Datalinks are allocated to peer I/O. For
example, if
Device Parameter 39 - [DLs To Peer Cfg] is set to “3,” then
Datalinks 14, 15, and 16 are allocated to peer I/O. To avoid an overlap
between Master-Slave and peer I/O, make sure that
Device Parameter 04 -
[DLs To Net Act]
plus
Device Parameter 39 - [DLs To Peer Cfg] does
not total more than 16.
3.
Set
Host Parameters 17 through 32 - [DL To Net 01-16] to the
parameters you want to transmit, based on the allocation in step 2.
4.
Resetting the Option Module on page 49
) so
that changes to
Device Parameter 39 - [DLs To Peer Cfg] take effect.
5.
Set
Device Parameters 41 - [To Peer Period] and 42 - [To Peer Skip] as
required for your application.
Parameter 41 controls how frequently the option module will transmit
data when it is changing. Parameter 42 controls how frequently the option
module will transmit data when it is not changing.
6.
Set
Device Parameter 43 - [To Peer Enable] to a value of “2” (Custom).
Follow these steps to set up the slave (receiver) side of custom peer I/O.
1.
Decide how many pieces of data (Logic Command, Reference, and
Datalink parameters) you want to receive, and set
Device Parameter 28 -
[DLs Fr Peer Cfg]
to that value.
This must match the number of parameters transmitted by the master.
2.
Determine how the Datalinks are allocated.
The highest numbered of the 16 Datalinks are allocated to peer I/O. For
example, if
Device Parameter 28 - [DLs Fr Peer Cfg] is set to “3,”
Datalinks 14, 15, and 16 are allocated to peer I/O. To avoid an overlap
between Master-Slave and peer I/O, make sure that
Device Parameter 03 -
[DLs From Net Act]
plus
Device Parameter 28 - [DLs Fr Peer Cfg] does
not total more than 16.
3.
Set
Host Parameters 1 through 16 - [DL From Net 01-16] to the
parameters you want to receive, based on the allocation in step 2.