Touch IPC Technical Manual
Page 21
OUTPUT2 :
This is used to get the low ink warning. On Xaar printers, you will see a signal on the printer as
well, on HP printers you can see on the monitor which cartridge is empty.
Notice: Iout max = 400mA
Connecting an LED
Led
=
5V
−
LEDvoltage
LEDcurrent
Depending on the LED used the LEDcurrent
usually is:
For small surface mount LEDs:
5-10mA.
For most Leaded LEDs:
10-25mA.
Connecting a RELAY
Schematic (for 5V relay), for Signal lamp/sound
device.
For 5V relays:
Between pin 2 and pin 9.
For 12V relays:
Between pin 7 and pin 9.