
9
External Beeper Connection
A beeper output signal is provided on pin 8 so that an external piezoelectric buzzer
with internal oscillator can be connected for Good Read acoustic signaling. The
complete circuit to be built is shown in the schematic diagram below.
+
+5 Vdc (pin 13)
+5 Vdc (pin 13)
R2 (10K)
R1 (1K)
Q1 (BC337)
BZ1 (see below)
D1 (1N4148)
GND (pin 25)
BEEPER (pin 8)
Figure 11 -
VB8
Scanner Beeper Connection
The following list indicates several piezoelectric buzzers that can be used in the
circuitry above (part
BZ1
).
Manufacturer Type
MURATA
PKB30SPC - 2001/3001
DIGISOUND F/TCW05
CITIZEN MEB-12C-5
BUJEON BS12-A
See chapter 3 for Beeper Control commands.
Dat
e of
issue
12/
2005
Par
t No.
193603
VB8-305
Installation