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The voltage supply devices KNX PS640 IP combine the central functions of a KNX bus line: Power pack with throttle, IP router and IP interface.

The IP router in the devices allows forwarding messages to other lines via the LAN (IP) as a fast backbone (routing). In this way, the device also works as a KNX line coupler. Simultaneously, the device may be used as an interface for bus access via IP. The KNX system can thus be configured and monitored from any PC in the LAN (tunnelling). It is also available for access via a smart phone KNX app.
The devices work with the KNXnet/IP specification using core, device management, tunnelling and routing. The router in has a filter table and can buffer up to 150 messages.

The power pack provides 29 V bus voltage for the KNX system as well as additional 24 V DC supply voltage for 24 V devices. Special operation modes such as short circuit, surge, overload or excessive temperature are registered and can be read out from the display. The current consumption is also displayed. The connected bus participants can be reset via the keypad.

These functions can also be implemented via the bus with the KNX PS640+IP, e.g. the transmission of error messages and operational data and a time/duration reset. Error messages are saved by the KNX PS640+IP.
The KNX PS640+IP has two KNX interfaces, one for the "PLUS" bus functions of the power pack and one for the IP router. The functions are registered separately to the bus and parametrised in separate product files (ETS).


Datasheet bus functions