Terminal bus extension, end terminal KL9020
Top view
Signal output terminal bus extension
Terminal bus extension, end terminal KL9020
up to 5 m distance
Coupler terminal KL9050
Coupler terminal KL9050
Bus end terminal KL9010
S(F)TP cable
with two
RJ45 plugs
up to
31 stations

KL9020 | Terminal bus extension, end terminal

The KL9020 is attached to the end of the Bus Terminal block in the same way as the standard terminal KL9010 and terminates the terminal block. The KL9020 enables the connection of an Ethernet cable with a RJ45 plug. The K-bus signals are converted to RS485. Power to the KL9020 electronics is supplied via the K-bus. The KL9020 forms a properly working unit together with at least one KL9050. Apart from a supply voltage of 24 V and the insertion of the Ethernet cable, there is no further parameterisation or configuration work necessary. The Bus Coupler carries out all diagnosis and commissioning tasks.

Technical data KL9020
Number of coupler terminals up to 31 KL9050
Current load
Power LED
Defect LED
Type/number of peripheral signals Bus Coupler dependency
Max. number of bytes fieldbus Bus Coupler dependency
Distance between stations max. 5 m between KL9020 and KL9050
Bus interface 1 x RJ45 socket
Starting current
Current consumpt. K-bus typ. 70 mA
Current supply K-bus
Power contacts 24 V DC max./10 A max.
Nominal voltage
Electrical isolation 500 V (power contact/supply voltage/K-bus)
Configuration possibility none, automatic
PE contact
Shield connection
Electrical connection to DIN rail
Special features end terminal for K-bus extension
Weight approx. 45 g
Operating/storage temperature 0…+55 °C/-25…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/variable
Approvals CE, UL, Ex, GL