Connecting The Switching Input/Output; Figure 6.5: Switching Input For Bcl 8 Connection Version 1 (Standard Setting); Figure 6.6: Switching Input For Bcl 8 Connection Version 2 (Setting "Inverted") - Leuze electronic BCL 8 Series Manual

6.3.2

Connecting the switching input/output

The BCL 8 is provided with a switching input or a switching output. You can configure the
respective function (input or output) according to your requirements using the supplied
BCLConfig software.
Switching input (default)
By means of the SW IN/OUT combined switching input/output connection, you can trigger a
read process in the standard setting (low = active) with the connection SW IN/OUT (pin 5)
and GND (pin 3). The 2.2 kΩ "pull-up" resistor must be connected externally (connection
version 1, figure 6.5).
Connection version 1: standard setting (low = active)
Figure 6.5:
With the "inverted" setting (high = active), you can trigger a read process by applying a
voltage of +5 V DC (pin 1) at SW IN/OUT (pin 5) (connection version 2, figure 6.6).
Connection version 2: setting "inverted" (high = active)
Figure 6.6:
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4.75 ... 5.5 V DC
2.2 k
GND
Switching input for BCL 8 connection version 1 (standard setting)
4.75 ... 5.5 V DC
GND
Switching input for BCL 8 connection version 2 (setting "inverted")
BCL 8
1
+ 5 V DC
Input resistance 36 k
5
SW_IN/OUT
3
GND
BCL 8
1
+ 5 V DC
Input resistance 36 k
5
SW_IN/OUT
3
GND
BCL 8
Installation
Ω
Ω
33