Technical Data

Number of Bus Terminals per Fieldbus Coupler

with BKxx20 or BKxx50 fieldbus coupler: max. 255
with Fieldbus Couplers BKxx00 or BKxx10: max. 64

Number of bytes per Fieldbus Coupler

limited by Fieldbus Coupler and Fieldbus Limit (see documentation for the Fieldbus Coupler being used)

Increase in runtime due to K-bus extension

negligible (see runtime calculation in the documentation for the Fieldbus Coupler used)

Length of cable between 2 terminal blocks

max. 5 m

Total length of cable

max. 155 m (31 x 5 m) from KL9020 to the last KL9050

Topology

Bus structure

Fieldbus

independent

Number of KL9020 per Fieldbus Coupler

1

Configuration

automatic

Current consumption from the K-bus

typically 70 mA

Dielectric strength

500 V (shielding, base plate / K-bus)

Permissible ambient temperature range during operation

0 °C ... + 55 °C

Permissible ambient temperature range during storage

-25 °C ... + 85 °C

Permissible relative air 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

Weight

approx. 45 g

Dimensions (W x H x D)

approx. 26 mm x 100 mm x 70 mm

Mounting

on 35 mm mounting rail conforms to EN 60715

Installation position / protection class

Variable / IP20

Approvals/Markings*

CE, UKCA, UL, EAC, GL, ATEX

Number of Bus Terminals per KL9050

max. 64

Number of KL9050 per Fieldbus Coupler

max. 31

Configuration

via switch Function switch

Supply voltage

24 V_DC (-15%/+20%)

Current consumption (via Terminals V_k 24V, V_k 0V)

maximum 200 mA
Calculation: 70 mA + (K-bus current of the terminal block) / 4

Starting current

2.5 x nominal current

K-bus power supply (for Bus Terminals)

maximum 400 mA

Power contacts voltage

maximum 30 V_DC

Power contact current load

10 A max. (short-circuit 125 A)

Dielectric strength

500 V (power contact/supply voltage/fieldbus)

Permissible ambient temperature range during operation

0 °C ... + 55 °C

Permissible ambient temperature range during storage

-25 °C ... + 85 °C

Permissible relative air 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

Weight

approx. 75 g

Dimensions (W x H x D)

approx. 24.5 mm x 100 mm x 70 mm

Mounting

on 35 mm mounting rail conforms to EN 60715

Installation position / protection class

Variable / IP20

Approvals/Markings*

CE, UKCA, UL, EAC, GL, ATEX