Settings; Jumpers; Resistors; Connectors - Epson Buzzer S1C31D51 Manual

3.

Settings

3.1

Jumpers

Table 3.1.1 shows Jumper settings.
Jumper: JP1/JP2/JP3/JP4
JP1
1-2 Short (Disable the external
power supply)
2-3 Short (Enable the external power
supply)
* Bold letters are the factory settings.
3.2

Resistors

Table 3.2.1 shows Resistor mountings. The optimum resistors for included buzzers have been mounted.
Socket: CP1/CP2/CP3/CP4/CP5/CP6/CP7
For Electromagnetic buzzer drive
CP1 CP2
2.2kohm 2.2kohm
3.3

Connectors

Table 3.3.1 shows Connector settings. Use Electromagnetic/Piezoelectric buzzer included in S5U1C31D51T2.
The buzzer drive circuits implemented on S5U1C31D51T2 have resistance value (see Table 3.2.1) optimized for
buzzers included in the package.
power (supplied from J3) when using a buzzer other than the one included in the package. Note that the
board may be damaged by a large current if it is driven by an incorrect resistance value or incorrect power
supply.
Please refer to Appendix for the resistance value and power supply adjustment when using a buzzer other than the
included buzzer.
Connector: J1/J2/J3
J1
To connect Electromagnetic Buzzer
(SD160709 made by TDK Corporation)
S5U1C31D51T2 Manual
(Rev.1.0)
Table 3.1.1 Jumper Settings
JP2
1-2 Short (Enable the power for
Electromagnetic Buzzer)
2-3 Short (Enable the power for
Piezoelectric Buzzer)
Table 3.2.1 Resistors
CP3 CP4
2.2kohm 2.2kohm
Please be sure to change/adjust the resistance value from CP1 to CP7 and
Table 3.3.1 Connectors
To connect Piezoelectric Buzzer
(PS1740P02CE made by TDK Corporation)
Seiko Epson Corporation
1-2 Short (Select the circuit for
Electromagnetic Buzzer)
2-3 Short (Select the circuit for
Piezoelectric Buzzer)
For Piezoelectric buzzer drive
CP5
180ohm 180ohm
J2
3. Settings
JP3/JP4
CP6 CP7
100ohm
J3
To supply external power
3