LON Bus Terminal

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The KL6401 LON Bus Terminal enables direct connection of LON devices. The network variables of the connected devices are available for the Bus Coupler or the higher-level bus system. This simplifies the data exchange between a variety of systems and a LON network. Status LEDs directly indicate the bus status. The LON terminal operates independent of the bus system used. Several KL6401 can be used with a single Bus Coupler or a Bus Terminal Controller. The KL6401 supports 62 SNVTs. All SNVT types can be configured as input or output variable via the KS2000 software. The KS2000 software generates an XIF file that is integrated in an LON tool.


Technical data KL6401
Technology LON
Number of channels 1
Data transfer standard FTT-10, LPT
Data transfer channels 1
Network variables 62 (standard network variables SNVTs), max. 15 LON devices
Data transfer rates 78 kbit/s
Bus segment length 500 m
Bus access CSMA
Current consumption K-bus typ. 55 mA
Current consumption power contacts load only
Electrical isolation 500 V (K-bus/LON-bus)
Bit width in the process image input/output: 36 bytes
Configuration KS2000, LonMaker or another LON Tool, TwinCAT (function blocks)
Nominal voltage 24 V DC (-15 %/+20 %)
Special features 15 devices; TwinCAT library: TwinCAT PLC LON
Weight approx. 85 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. rating/installation pos. IP20/variable
Approvals/markings CE, UL, ATEX
Ex marking II 3 G Ex nA IIC T4 Gc


Housing data KL-12-8pin KS-12-8pin
Design form compact terminal housing with signal LEDs terminal housing with pluggable wiring level
Material polycarbonate
Dimensions (W x H x D) 12 mm x 100 mm x 68 mm
Installation on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of double slot and key connection
Marking labeling of the BZxxx series
Wiring solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver
Connection cross-section s*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWG s*: AWG 28…14,
st*: AWG 28…14,
f*: AWG 26…16
s*: AWG 28…16,
st*: AWG 28…16,
f*: AWG 26…16
Stripping length 8…9 mm 9…10 mm
Current load power contacts Imax: 10 A


Data Sheet: KL6401


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