C-OR-0008M, relay outputs

The C-OR-0008M module is equipped with 8 relays; each is separately terminated with a changeover contact. Continuous current on each output is 16A, inrush current up to 80 A (for max. 20 ms, it applies ONLY for the switching contact)- see the details on the relays used. The module is in a 6M box.

The module is designed to switch the capacitive (electronic power supplies for LED lamps, switching power supplies, etc.) and inductive loads.

The changeover contacts can be used for secure three-point control of e.g. blinds motors, actuators, etc. (Switching both outputs simultaneously, e.g. if the programme is not correctly configured, is mechanically ruled out).

The module can be powered directly from the CIB (its power input limits the number of modules on one branch of the bus), or it can be powered from a separate 24 VDC supply (which can be used for multiple modules placed immediately next to each other); then the CIB bus is not loaded. When the module is powered directly, it is necessary to make sure that the module supply voltage is not lower than the voltage of the CIB bus connected to the module, otherwise the module will start drawing supply current from the CIB bus. This does not harm the module, but the CIB bus will be unnecessarily loaded.

Isolation voltage:

between individual connectors and between the DO1 and DO2 outputs is 4,000 VAC (safe isolation of circuits),

among the DO3, DO4 and DO5 outputs, the isolation voltage is 1,000 VAC,

among the DO6, DO7 and DO8 the isolation voltage is 1,000 VAC,

The module is fitted with a relay with a 16 A continuous current and terminal blocks with a maximum wire cross-section 4 mm².

Fig. 1 The basic wiring of the C-OR-0008M module