BK7300 | Modbus Bus Coupler

Supply voltage 24 V DC 

Input current 70mA + 

(total K-bus current)/4 

500 mA max. 

Power-on surge 2.5 x steady operating current 

K bus supply current up to 1750 mA max. 

Configuration facility via KS2000 or the controller 

Number of bus terminals 64 

Digital peripheral signals 256 inputs/outputs 

Analogue peripheral signals 128 inputs/outputs 

Baud rate From 150 baud to 38400 baud 

Protocol RTU and ASCII 

Bus connection D-Sub RS 485 

9-pin 

Voltage of the power contact 24 V DC / AC max. 

Power contacts current drawn 10 A max. 

Electric strength 500 V (power contact / supply voltage / fieldbus) 

none 

Typical weight 170 g 

Operating temperature 0°C … +55°C 

Storage temperature -20°C … +85°C 

Relative humidity 95% without dew formation 

Vibration/shock stability according to IEC 68-2-6 / IEC 68-2-27 

EMC immunity/ transmission according to EN 50082 (ESD, burst) / EN 50081 

Installation location Any 

Protection class IP20

>>> Refer to technical document: bk7300en