Pepperl+Fuchs 238626

VAN-115/230AC-K27

AS-Interface power supply

Opis

AS-Interface power supply, data decoupling, 4 Afa. The primary switched-mode power supply was designed for fieldbus applications that transfer energy and data together via a two-wire cable. AS-Interface concept). It supplies a fully extended AS-Interface system with a maximum output current of 4.0 A. Due to the sinusoidal current consumption of the network, harmonics are avoided. The power supply assumes the function of supplying power, data decoupling for the power source and balancing both output lines. AS-Interface + and AS-Interface -) with respect to the machine ground (shielded connection). The transformer allows the use of unshielded load cables. The power supply is protected by an internal fuse that eliminates the need for additional device protection measures. Ground fault monitor GF:. The switch output of the ground fault monitor evaluates any short circuits detected in the AS-Interface system. With the potential-free transistor output, the system can be shut down using the control program. The output is normally closed, but opens when a ground fault is detected. The "GF" LED also signals the presence of a ground fault. This output will close when the power supply is restarted or the reset button is pressed for (> 2 seconds). It is essential to connect the shield to PE or the machine ground to guarantee proper operation. Checking the ground fault monitor:. Pressing the reset button briefly (< 2 seconds) simulates a ground fault in the device. Detection, evaluation and signaling of a ground fault and the switch output can be tested at suitable intervals. A ground fault generated in this way can be reset by pressing the reset button for (> 2 seconds).