Chapter 3 — Electrical Integration
ED40 Decode Board Integration Guide 19
Buzzer
The Buzzer is driven by contact 11. The next table describes the different beep
types. Certain beep types can be configured using EasySet or the ISCP commands.
Example Buzzer Connection
ED40 Default Beeps
Beep Type
Number
of Beeps
Description Meaning Action
Good Read 1
(default)
- Bar code successfully
decoded.
-
Setup 2 Fast beeps
Constant tone frequency.
Setting up parameters. -
Error 6 Very fast beeps
Constant tone frequency.
Setup error. -
User Permission 9 3 long beeps then very fast
beeps
Different tone frequency.
User permission denied. -
Setup Checksum
Error
- Repetitive Error beeps. Setup integrity error. Reset to factory defaults to
stop.
Resistor
Resistor
Buzzer
Capacitor
VCC
Buzzer
(Contact 11)
Transistor
Make sure that the resistor connected to the base of the transistor is strong
enough to limit the current to a maximum of 4 mA.
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