Chapter 5 External Reference Circuit; External Circuit Design; Switching Output Circuit; Switching Input Circuit - Newland NLS-FM515 Series User Manual

Fixed mount barcode scanner
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Chapter 5 External Reference Circuit

External Circuit Design

Switching Output Circuit

The circuit below is used to drive an external switch output signal. This pin is reserved as external output interface. The
SW_OUT signal is from black wire of the 7-pin hot-tinned wire.

Switching Input Circuit

The circuit below is used to provide the scanner with a signal to trigger a scan and decode session. The SW_IN signal is
from orange wire of the 7-pin hot-tinned wire.
Keep the signal high to trigger a decode session (default: low level).
+5V
** Exit Setup
Figure 5-1
1
3
FB1
2
4
K1
Figure 5-2
CBW160808U600T
SW_IN
C1
C2
100pf
100pf
DGND
20

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