KNX PS640 (USB) Power Supply System
Bus Voltage and 24 V DC
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The Power Supply Systems KNX PS640 and KNX PS640 USB deliver a 29 V bus voltage for the KNX system and 24 V DC supply voltage for 24 V devices. The KNX PS640 USB has got an additional USB interface for easy bus access.
Special operating conditions such as short circuit, overvoltage, overload or excess temperature are recorded and may be read off on the display. The present power discharge is displayed as well. It is possible to reset the connected bus devices directly by means of the key pad.
Functions and Operation:
- Delivers a 29 V KNX bus voltage (reduced), output current max. 640 mA, short-circuit proof
- Delivers 24 V DC (not reduced), output current max. 150 mA
- Reset of a line directly on the device
- Record of operating hours, overload, external overvoltage, internal overvoltage, short circuit and excess temperature
- Display of operating data bus voltage, bus current and temperature of the device
- The display may be shown in German, English, Spanish or Dutch
- Only KNX PS640 USB: USB interface for bus access via PC
Technical Data:
| Housing | Plastic material |
| Colour | White |
| Mounting | Snap-on fitting on mounting rails |
| Protection category | IP 20 |
| Dimensions | approx. 123 x 89 x 61 (W x H x D, mm), 7 width units |
| Weight | approx. 370 g |
| Ambient temperature | Operation -5…+45 °C, storage -25…+70°C |
| Ambient air humidity | max. 95% RH, avoid bedewing |
| Operating voltage | 230 V AC , 50 Hz |
| Power consumption Standby | approx. 2.3 W |
| Outputs | • KNX bus voltage 29 V (reduced), Output current max. 640 mA, short-circuit proof • 24 V DC (not reduced), Output current max. 150 mA |
Scope of Delivery:
- Rail-mounted device with display and keypad
- Data sheet with installation instruction (German or English)
