Publication 1734-UM011A-EN-P - February 2004
About the 1734-AENT Adapter 1-5
Hardware/Software
Compatibility
The 1734-AENT adapter and the applications described in this manual are
compatible with the following firmware versions and software releases.
Contact Rockwell Automation if you need software or firmware upgrades to
use this equipment.
What the Adapter Does
The 1734-AENT adapter performs two primary tasks:
1. Control of real time I/O data (also known as “implicit messaging”). The
1734-AENT adapter serves as a bridge between POINT I/O modules
and the network.
2. Support of messaging data for configuration and programming
information (also known as “explicit messaging.”).
Use of the Common
Industrial Protocol (CIP)
The 1734-AENT adapter uses the Common Industrial Protocol (CIP). CIP is
the application layer protocol specified for EtherNet/IP, the Ethernet
Industrial Protocol, as well as for ControlNet and DeviceNet. It is a
message-based protocol that implements a relative path to send a message
from the “producing” device in a system to the “consuming” devices.
The producing device contains the path information that steers the message
along the proper route to reach its consumers. Since the producing device
holds this information, other devices along the path simply pass this
information; they do not need to store it.
Product Firmware Version/
Software Release
1734-AENT Adapter 1.xx or higher
1756-ENBT 2.3 or higher
Logix 5555 Controller 11 or higher
RSLogix 5000 software 11.11 or higher
RSLinx software 2.3.1 or higher
L
5
5
5
5
EtherNet/IP Network
E
N
B
T
Other
Network
Devices
A
E
N
T
POINT
I/O
E
N
B
T
ControlLogix
I/O
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