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Setup
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3.4.
DF1 PARAMETERS
The DF1 parameters are configured by the PLX50 Configuration Utility. Refer to the additional
information section for documentation and installation links for the ProSoft PLX50
Configuration Utility. The DF1 parameter configuration consists of a general configuration as
well as a serial configuration. When downloading the configuration into the module, it will be
saved in non-volatile memory that persists when the module is powered down.
The General configuration tab consists of the following parameters:
Parameter
Description
Instance Name
This parameter is a user defined name to identify between various PLX51-DF1-ENIs.
Description
This parameter is used to provide a more detailed description of the application for the
PLX51-DF1-ENI.
IP Address
IP address of the PLX51-DF1-ENI.
Major Revision
The major revision of the PLX51-DF1-ENI.
ENIP Retry Limit
The amount of EtherNet/IP retries the module will make once no response was received
from the Logix Controller.
ENIP TimeOut
The time in milliseconds after which a retry is sent. Once the first retry is sent, the next
retry will be sent after the same amount of time. This will repeat until the ENIP Retry
Limit is reached.
Operating Mode
The Operating Mode determines how the DF1 messages are routed:
In DF1 Slave mode, the module automatically routes the DF1 message and function to
the correct Logix tag. In this mode, the PLX51-DF1-ENI maps the DF1 request to the
preconfigured tag. Communication in this mode is initiated by the remote DF1 device.
In Scheduled mode, the PLX51-DF1-ENI will initiate the exchange between the remote
DF1 device and Logix. Either by reading data from a DF1 device and writing it into a
preconfigured Logix tag or vice versa. Communication in this mode is initiated by the
PLX51-DF1-ENI.
In Unscheduled mode, the PLX51-DF1-ENI routes Logix messages to the remote DF1
device and returns the result. There is little configuration required in the PLX51-DF1-ENI
as the routing information is configured by Logix for each message transaction.
Communication in this mode is initiated by Logix.
In Bridge mode, the module uses the PCCC message exchange to read or write various
tags in the Logix controller. Therefore, in this mode, the module relies on the Logix
controller to map the DF1 request to the preconfigured Logix tag.
Communication in this mode is initiated by the remote DF1 device.
Refer to the message routing section for an explanation of the routing operation.
Table 3.1 - General configuration parameters