24 V DC power supplies

- Low heating of the control cabinet - High power reserves - Particularly space-saving design - Low inrush current - Safe switch-off by circuit breakers in case of short circuit AS-i power supplies provide power to the connected modules, sensors and actuators. They provide high noise immunity and sufficient power reserves to reliably handle short current spikes. In addition, they ensure reliable decoupling from interference in the primary supply. The compact housing takes up very little space in the control cabinet. Thanks to their high degree of efficiency, the units save energy costs and reduce waste heat in the control cabinet.

Electronic fuses permanently monitor the 24 V secondary circuit and reliably switch it off in the event of a failure. These electronic circuit breakers will also switch off circuits in cases where mechanical circuit breakers often do not trigger, e.g. in case of overload of a circuit with long cables. The system has a modular structure and consists of a feed module and side-by-side mountable fuse modules. These modules can be mounted next to the head module via a simple clip mechanism, completely without any bridges or jumpers. Easy mounting and minimised wiring complexity save cost and time. With the standard version the user can connect up to 10 and with the IO-Link version up to 8 safety modules to the feed module. The fuse modules feature an LED for signalling if the module has triggered, if it is active and in how far it is utilised. Each module is equipped with two channels. By means of a pushbutton, each channel of a fuse module can be activated, deactivated or reset individually. The IO-Link version allows remote configuration and operation of the modules.

- Integrated wide-range power supply for the sensor supply - Particularly space-saving design - Plug-in screw terminals simplify installation - With PNP or NPN control - One- or two-channel design The transistor outputs of conventional sensors are designed for small load currents. If the user wants to switch higher currents or even alternating currents, he must use a switching amplifier. It uses the sensor signal to control an output relay. ifm offers switching amplifiers in one and two-channel design. They have an integrated wide-range power supply (110...240 V AC) to supply the connected sensors with voltage (24 V DC). Thanks to their slim design, the switching amplifiers take up very little space in the control cabinet.