1. Introduction Box 485-4 is a door control unit, used togehter with CT2000 keypad. The unit is deliv- ered in a white plastc boxfor cabling included. Box 485-4 is typically used if one CT2000 keypad is to control more than one output.
3. Programming Box 485-4 is from the factory delivered with a standard programming. Further pro- gramming can be made through the PC Interface (PCI2000 or LogBox3). 3.1 Programming positions Position Programming 100 Address (ID number) of first slave (keypad) Address (ID number) of second slave (keypad)
Keypads (CT2000) connected to RS485 data bus are distinguished from each other by assigning them each an address (ID number). When a code is entered on one of the keypads in an installation, carrying an address (ID number), Box 485-4 reacts in accor- dance with its programming.
This programming position is reserved for future development of the system and is not used at the moment. It is by default set to 127. Note that programming position 123 is reserved for future development. It must always be set to 127, otherwise the Box 485-4 does not work.
4. Installation example SAB SAB 12V 0V +12 VDC Door bell On/off switch to CS1500 5. Technical specifications Supply voltage: +12 VDC Voltage interval: 10 to 15 VDC Ripple voltage: max. 500 mVpp Current consumption: 20 to 100 mA Relay outputs: 4 pcs.
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