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Preface
Page 6 of 87
1.2.
FEATURES
The PLX51-DF1-ENI is able to transfer data from a DF1 device to a maximum of eight Logix
controllers. The module operates in one of four modes, simplifying the configuration for all
applications.
Mode
Description
Message Initiator
Bridge
The
PLX51-DF1-ENI
redirects DF1 PCCC messages to a Logix
controller at a preconfigured EtherNet/IP path.
Logix PLC Mapping configuration may also be required.
This mode also supports remote programming using RSLogix
5 / 500.
Remote Device
DF1 Slave
The PLX51-DF1-ENI will convert DF1 PCCC messages to Logix
controller tag reads or tag writes.
No Logix PLC Mapping configuration is required.
Remote Device
Scheduled Tag The PLX51-DF1-ENI transfers data between a DF1 device and
a number of Logix tags, using a preconfigured schedule.
No Logix or remote device configuration is required.
PLX51-DF1-ENI
Unscheduled
The PLX51-DF1-ENI transfers messages received from a Logix
Message Instruction.
Logix (Msg)
Table 1.1. – Modes of Operation
The PLX51-DF1-ENI is configured using the ProSoft PLX50 Configuration Utility. This program
can be downloaded from
Configuration Utility offers various configuration methods, including a controller tag browser.
Hereafter the PLX51-DF1-ENI will be referred to as the module.
The module can operate in both a Logix “owned” and standalone mode. With a Logix
connection, the input and output assemblies will provide additional diagnostics information
which will be available in the Logix controller environment.
The module uses isolated RS232 for DF1 communication providing better noise immunity. The
RS232 port also uses a terminal block for convenient installation. The module can also be used
in systems with redundant DF1 pathways.
A built-in webserver provides detailed diagnostics of system configuration and operation,
including the display of received DF1 communication packets, without the need for any
additional software.