BECKHOFF EP2xxx - Manual (Page 40)

Product overview
2.9 EP2339­002x
2.9.1 EP2339­0021 ­ Introduction
Fig. 26: EP2339­0021
16 digital in or outputs, 24 V
DC
The EP2339­0021 EtherCAT Box has 16 digital channels, each of which can optionally be operated as an
input or as an output. A configuration if a channel should be used as input or as an output is not necessary;
the input circuit is internally connected to the output driver, so a set output is displayed automatically to the
input process image.
The outputs handle load currents of up to 0.5 A, are short­circuit proof and protected against inverse polarity.
The filter constant of the inputs is 3 ms.
The state of each signal is indicated by means of light emitting diodes. The signals are connected via M8
connectors.
Note
The connected sensors are powered via Up, not from Us
The EtherCAT Box EP2339­0021 supplies digital sensors in contrast to many other mod­
ules from the auxiliary voltage Up, not from the Control voltage Us! This happens because
the connectors can be used alternatively as input or as output. Anyway an overload of the
sensor supply (current > 0,5 A) is here also displayed by red shining of the LED Us.
EP2xxx 40 Version 2.1.0