Rockwell Automation 1756-L55M12, Selection Manual, Page: 36 / 88

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1756-SG001G-EN-P — March 2004
Select the appropriate Ethernet interface:
Ethernet interfaces
If your application does this: Select this interface: Description:
y
controls I/O modules
y
requires an adapter for disibuted I/O on
EtherNet/IP links
y
communicates with other EtherNet/IP
devices (messages)
y
bridges EtherNet/IP links to route messages
to devices on other networks
1756-ENBT
The EtherNet/IP communication module:
y
control I/O over an EtherNet/IP network
y
acts as an adapter for disitributed I/O on
remote EtherNet/IP links
y
bridge EtherNet/IP links to route messages
to devices on other networks
y
requires remote access via Internet browser
to tags in a local ControlLogix controller
y
communicates with other EtherNet/IP
devices (messages)
y
bridges EtherNet/IP links to route messages
to devices on other networks
1756-EWEB
The enhanced web server module provides
Internet browser access to ControlLogix
controllers so you can monitor and modify
data remotely via XML web pages. The web
server module supports:
y
data access (read and write) to
ControlLogix controllers
y
bridging and routing of messages
y
custom web pages
y
email capability
Cat. No. Communication Rate ConnectionsConnections Power Dissipation, Max. Backplane Current (mA) at 5V Backplane Current (mA) at 24V
1756-ENBT
10/100 Mbps
Each module supports a maximum
of:
y
64 TCP/IP connections
y
128 Logix connections (I/O and
information
y
5000 messages/second
3.65 W 700 mA 3 mA
1756-EWEB 3.65 W 700 mA 3 mA
Certifications: UL, CSA (Class I, Division 2, Group A, B, C, D), CE, FM, C-Tick
ETHERNET ETHERNET
FAUL AULT
RS232 RS232
NET NET
TX/RX TX/RX
TX/RX TX/RX
PWR PWR
CABLE CABLE
EXTERNAL EXTERNAL
IP IP