Connector For Operation Panel (Cn500) - Citizen PPU PPU-700 User Manual

4.5 Connector for Operation Panel (CN500)

Pin Assignment
Pin No.
1 Vcc
2 LF_SW
3 GND
4 POWER_LED
5 ERROR_LED
Connector used: 53014-0510 (Molex)
Connection Example
Control Board
CAUTION!
G POWER LED and ERROR LED are provided with a resister of 47Ω at the circuit side.
When using LED, connect the resister to conform to the rating of the LED. (Saturation
voltage across collector and emitter of transistor V
G LF_SW input terminal has the above circuit configuration. A ceramic capacitor is
provided at the circuit side to prevent chattering. Note that chattering may be large
depending on the switch.
Signal Name Input/Output
Input
Output
Output
Vcc
1 KΩ
1000µF
— Power supply for circuit (+5V)
LF switch input (paper feeding)
— GND for circuit
POWER_LED output
ERROR_LED output
CN500
Vcc (+5V)
1
3.3 KΩ
LF_SW
2
GND
3
47Ω
POWER_LED
4
47Ω
ERROR_LED
5
= 0.25V (max.))
CE(sat)
— 28 —
Function