Beckhoff Automation's BK9055
Bus Coupler
connects EtherNet/IP with the modular, extendable electronic terminal blocks.
One unit consists of one Bus Coupler, any number from 1 to 64 terminals
(255 with K-bus extension) and one end terminal. The Bus Coupler recognizes the
terminals to which it is connected, and performs the assignment of the inputs
and outputs to the words of the process image automatically. The BK9055 Bus
Coupler supports 10 Mbit/s and 100 Mbit/s Ethernet. Connection is
through normal RJ 45 connectors. The IP address is set on the DIP switch
(offset to a freely selectable start address). In networks with DHCP (a service
for the allocation of the logical IP address to the physical node address
[MAC-ID]) the Bus Coupler obtains its IP address from the DHCP server.
Ethernet/IP
is the Industrial Ethernet standard of ODVA (Open DeviceNet Vendor
Association). Ethernet/IP is based on Ethernet TCP/IP and UDP/IP - IP stands
for Industrial Protocol. Essentially, the CIP (Common Industrial Protocol) used
in ControlNet and DeviceNet was ported to Ethernet TCP/IP and UDP/IP. The
BK9000 and BK9050 Bus Couplers support the operation of all Bus Terminal types.
The
analog and multi-functional Bus Terminals can be adapted to each specific
application using the KS2000 configuration set. Depending on the type, the
analog Bus Terminals' registers contain temperature ranges, gain values and
linearisation characteristics. With the KS2000, the required parameters can be
set on a PC. The Bus Terminals store settings permanently and in a fail-safe
manner.
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