EP2339-0003 - Introduction
16-channel digital combi, 24 VDC
The EP2339-0003 EtherCAT Box has 16 digital channels, each of which can be operated either as inputs or outputs. A configuration whether a channel is to be used as input or output is not required; the input circuit is internally permanently connected to the output driver so that a set output is automatically displayed in the input process image.
The inputs have a filter constant of 3.0 ms. The outputs are short-circuit proof, protected against polarity reversal, and can handle load currents of up to 0.5 A each, with a maximum total current of 4 A. The signal state is indicated by LEDs on the connectors. The signal connection is established via spring-loaded connectors, optionally available in 1- and 3-pole versions. The module is delivered without connectors. The sensors are supplied from the load voltage UP.
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Damage to sensitive signal transducers due to current peaks The protective circuit of a digital input can cause an inrush current peak of well over 2 mA during the switching operation. This current spike can damage sensitive signal transducers such as reed switches.
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