STR-640.01 Redundant Bus power supply with diagnosis function, 640mA

The MDT KNX Power Supply with integrated choke supplies the KNX Bus with a constant,
stabilized 30 V DC voltage. The redundant Bus Power Supply has two integrated power
supplies to increase operation reliability. If one mains voltage or one of the internal
power supplies fails, the KNX bus voltage maintains its stability by the second power
supply. The integrated bus coupling unit with diagnostic function monitors the bus voltage,
bus current, bus overload and bus voltage failure / return. All events are stored with
time stamp in the internal ring buffer. The ring buffer can be read out by a 14 Byte telegram.

Product features

• KNX power supply with integrated choke
• Two integrated power supplies for redundancy
• Mains voltage 230 V AC (separate FI circuits possible)
• If one mains voltage or one of the internal power supplies fails, the KNX bus voltage maintains its stability by the second power supply
• Failure message by a telegram
• Short-circuit-proof
• Overload safe
• With additionally choke free output
• Integrated bus coupling unit with diagnostic function:
  • Bus voltage, bus current, bus overload
  • Bus voltage failure / return
  • All events are stored with time stamp in a ring buffer
  • Read out of the ring buffer by 14 Byte telegram
  • Safety functions to detect a failed device in the KNX line
• Production in Germany, certified according to ISO 9001
• 3 year warranty