Baumer BA DenexMicro - Manual (Page 11)

User Manual DENEX MICRO 11/24 Baumer Electric AG
Version 2013-02, V1.6 www.baumer.com Frauenfeld, Switzerland
Figure 5.2.1.2 Electrical connection, common 24V-supply. Current sink (NPN).
Figure 5.2.1.3 Electrical connection, separate supply for power and pulse.
5.2.2 Speed Sensor Input
There is a possibility to connect an input signal from a speed sensor, such as an encoder,
in order to give information of conveyor speed. The input can be used to obtain a fixed
blocking distance. In Mode 7 (see chapter 6, “SOFTWARE FUNCTIONS”) the input signal
is used as a control signal, if high, the blocking time is long, if low, the blocking time is
short. Normally, the dynamic blocking is used with equally good results. There are three
different modes of blocking, see chapter 6, ”SOFTWARE FUNCTIONS”.
The input is opto-isolated so that there is a separation between the sensor’s and the pulse
generator’s grounds.
The input should be min. 4.5V and max. 28V.
The maximum allowed frequency is 2.5 kHz.
Figure 5.2.2.1 Input stage for speed sensor input.
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