Beckhoff Automation · I/O · Bus Terminals · Bkxxxx Bus Coupler
Beckhoff BK1120 Bus Coupler
Technical data for the BK1120, reproduced from the Beckhoff product page for this item number.
Bus interface2 x RJ45
Weightapprox. 150 g
Power supply24 V DC (-15%/+20%)
Configurationvia KS2000 or EtherCAT (ADS)
How it works
This page reproduces the technical data Beckhoff publishes for this item number, including the values needed for cabinet design, spares planning and replacement decisions.
Specifications
Technical data
Number of Bus Terminals64 (255 with K-bus extension)
Max. number of bytes fieldbus1024 byte input and 1024 byte output
Configurationvia KS2000 or EtherCAT (ADS)
Transmission rate100 Mbit/s
Bus interface2 x RJ45
Transmission mediumEthernet/EtherCAT Cat.5 cable
Power supply24 V DC (-15%/+20%)
Input current70 mA + (total K-bus current)/4, 500 mA max.
Starting currentapprox. 2.5 x continuous current
Recommended fuse≤ 10 A
Housing data
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Order number
BK1120 — Beckhoff product page, technical data
Official source
https://www.beckhoff.com/en-us/products/i-o/bus-terminals/bkxxxx-bus-coupler/bk1120.html
FAQ
Where do these values come from?
They are taken from the technical data Beckhoff publishes for item number BK1120, on the product page linked below.
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