Figure 14 – Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual
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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
Chapter 4 Configuring the I/O
Figure 14 - MicroLogix 1100/1400 Message Configuration Screens for the Control
Timeout
General Tab BoxSetting
This Controller (data for MicroLogix 1100)
Channel
1 (integral). Controller port to which the network is connected.
Communication Command
500CPU Write. The controller type and command type for the controller to read or write data.
Because the MicroLogix 1100 is part of the SLC-500 controller family, the ‘500CPU’ controller type
was selected. The ‘Write’ command type was selected to write the control timeout value to the drive.
Data Table Address
(1)
N20:0. An unused controller data table address containing the control timeout value to be written.
Size in Elements
(2)
1. Number of elements (words) to be transferred. Each element size is a 16-bit integer.
Target Device (data for adapter/drive)
Message Timeout
5. Message timeout duration in seconds.
Data Table Address
(3)
N42:3. Specific starting address of the destination file in the drive.
Routing Information File
RI9:0. An unused routing information file for the controller.
MultiHop Tab BoxSetting
To Address
10.91.100.79. The IP address of the adapter connected to the drive.
(1) For details on data table addresses for this example project, see
starting on
(2) For details to determine element size for a specific drive, see
Understanding Controller Data Table Addresses on page 97
(3) For details on setting the control timeout value and its function, see
. The Control Timeout (N42:3) is stored in RAM. If the 20-
COMM-ER adapter is power cycled, the Control Timeout Message must be re-sent. If the Control Timeout is not changed from a non-zero value, the
control message (
) will error out.
TIP
The Control Timeout (N42:3) must be changed to a non-zero value (5…20 seconds
recommended). If the Control Timeout is not changed from a non-zero value, the
control message (
) will error out. The Control Timeout is stored in RAM. If
the adapter is power cycled, the Control Timeout Message must be re-sent.