With 8 digital inputs, the Interbus S-Line input module reads 24 V sensors with PNP technology into the Interbus loop. In addition to four of these digital inputs, the input/output module additionally provides 4 digital outputs for 24 V actuators with PNP technology as well. The sensors and the actuators are connected via 3-pin M8 screw connectors and preassembled sensor cables.
In the case of the inputs, mechanical switches with 2 contacts (e.g. limit switches) are connected to the M8 female connectors via the +24 V pin and the IN x pin (2-wire connection). Initiators (e.g. light switches or proximity switches) are additionally connected to the ground contact (3-wire connection). The power supply voltage is transmitted to the sensors through the bus cable, eliminating the need for additional wiring. The sensor supply is short-circuit proof and supplies up to 150 mA for all sensors with a 3-wire connection.
The connection of the loads to the outputs (only with DIO 4/4/8) is short-circuit proof and is made via the contacts Out x and chassis ground of the M8 female output connectors. The 24 V supply is present on the third contact of all female output connectors. This supply voltage must be fed through one of the four female output connectors.
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