Ethernet Base Controller, H2-EBC(100)(-F)
The Ethernet Base Controller module, H2-EBC(100)(-F) provides a low-cost, high-
performance Ethernet link between a network master controller and an DirectLOGIC PLC
I/O slave system. Also, the H2-EBC100 supports the Modbus TCP/IP client/server protocol.
The Ethernet Base Controller (EBC) serves as an interface between the master control system
and the DL205/405 I/O modules. The control function is performed by the master
controller, not the EBC slave. The EBC occupies the CPU slot in the base and communicates
across the backplane to input and output modules. Various master controllers with EBC
slaves are shown in the diagram below.
The H2-EBC module supports industry standard 10BaseT Ethernet communications, the
H2-EBC100 module supports industry standard 10/100BaseT Ethernet communications and
the H2-EBC-F module supports 10BaseFL (fiber optic) Ethernet standards.
DL205 User Manual, 4th Edition, Rev. B
4–22
Chapter 4: System Design and Configuration
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Example EBC Systems: Various Masters with EBC Slaves
Modbus TCP/IP Masters
(
H2-EBC100 only)
DirectLOGIC PLC/
WinPLC with ERM
Serial HMI
PC-based Control System
Ethernet
Hub
All H2/H4 Series EBCs
UDP/IP, IPX
10Mbps
H2-EBC100
TCP/IP, UDP/IP, IPX
Modbus TCP/IP
10/100Mbps
EBC
EBC
EBC
OR
OR
Specifications H2-EBC H2-EBC100 H2-EBC-F
Communications
10BaseT Ethernet 10/100BaseT Ethernet 10BaseFL Ethernet
Data Transfer Rate
10Mbps max. 100Mbps max. 10Mbps max.
Link Distance
100 meters (328 ft) 100 meters (328 ft) 2000 meters (6560 ft)
Ethernet Port
RJ45 RJ45 ST-style fiber optic
Ethernet Protocols
TCP/IP, IPX
TCP/IP, IPX/Modbus TCP/IP,
DHCP, HTML configuration
TCP/IP, IPX
Serial Port
RJ12 RJ12 None
Serial Protocols
K-Sequence, ASCII
IN/OUT
K-Sequence, ASCII IN/OUT,
Modbus RTU
None
Power Consumption
450mA @ 5VDC 300mA @ 5VDC 640mA @ 5VDC
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