Connecting PIR detectors with double-balanced loop to the C-IB-1800M module

The C-IB-1800M module is suitable for installations where the customer prefers the star configuration of ECC detectors connection - i.e. a cable leads from each detector to the control panel for the power supply and evaluation of the detector status. This module can also be used for the connection of push buttons (lighting control, etc.); the AI/DI1 to AI/DI4 can also be used for measuring temperature or processing pulse inputs from electricity meters, flowmeters, etc.

The module allows direct powering of detectors from its 12 VDC output. Due to a higher power input, the module can be powered either from the CIB, or directly from the 27 VDC supply (voltage with a battery backup).

For more information on powering, maximum power inputs, etc., see the chapter describing the C-IB-1800M module.

Fig. 1. An example of connecting the ESS detectors to the C-IB-1800M module.

Notes:

1. Up to 18 double balanced detectors can be connected to the module; the module also provides 12 V power supply for the connected detectors. A maximum current from the 12 V supply is given by the module supply mode - for details see the description of the C-IB-1800M.

2. Detectors can also be powered from a different source, e.g. the 12 V supply from the PS-2-60/27 module; it is necessary to ensure that the 12 V level is backed up during a power failure.