5-4 Procedures for Communicating with an Allen-Bradley ControlLogix PLC
5-8
- EtherNet/IP Compatible Network Unit DL-EP1 User’s Manual (GT2) -
5
Appendix
• For the details of InputOnly connection, refer to "Sending data to
multiple PLCs (InputOnly)" (Page 5-8).
• Refer to "Usable Connections" (Page 3-7) for details on the
connection.
RPI
Designate the cyclic communication interval.
Designate a value between 0.5 and 3200 ms.
4
Download the settings to the PLC.
EtherNet/IP communication is enabled after the settings are downloaded
and the status is switched to online.
zSending data to multiple PLCs (InputOnly)
By connecting to multiple PLCs with the InputOnly connection format, multiple
PLCs can receive the data sent from the DL-EP1. Each PLC must be set as
shown below to use the InputOnly connection.
Setting Item
Bidirectional
Communication PLC
(maximum 1 unit)
PLC Connected
with InputOnly
RPI value User set value Same value as left
InputAssembly Instance
number
No. 100 (decimal) Same value as left
InputAssembly data size User set value Same value as left
OutputAssembly Instance
number
No. 101 (decimal) No. 254 (decimal)
OutputAssembly
data size User set value 0 bite
Comm Format Data-INT Input Data INT
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