8 relay extension board for KDA-024 switching-module

8 channel relay extension board for direct control of load e.g. door openers or optical or acoustic signal generators such as horns, lamps in connection with XMP-KDA-024 module.

The 24 switching commands of the KDA24 module can be extended by connecting up to three KDR8 with eight relays each. The address of the relay board is set by a jumper (KDR0 to KDR2). The relay outputs can be configured by means of jumper either for voltage or as dry contact.