Input And Output Signals - Citizen iDP3550 Bedienungsanleitung

9.3

Input and Output Signals

9.3.1 Input and Output Signals
(1) Input signals to the printer
• DATA
• STB
• RESET
(2) Output signals from the printer
• ACK
• BUSY
• FAULT
• SELECT
• COMPULSION
• PE
(3) Power related signal
• GND
• Vcc
: An 8-bit parallel signal. (Active "High")
: A strobe signal to read the 8-bit data. (Active "Low")
: A signal to reset the printer from the outside. (Active "Low")
: An 8-bit data request signal.
(Active "Low")
: A signal to indicate the BUSY status of the printer.
(Active "High")
: A signal turned to "Low" when the printer has an alarm.
control circuits in the printer stop. (Active "Low")
: A signal to show whether the printer is selected (On -line) or deselected.
(Active "High")
: A signal to show the status of the drawer switch. ( Active "High")
: A signal to show that the paper has run out.
to the "High" level when the paper has run out.
: Common ground on the circuits
: A +5 V signal. Connected via a 3.3kΩ resistor. (Factory use only)
A pulse signal output at the end of the BUSY signal.
Normal at the "Low" level, but turned
29
iDP3550/3551 User's Manual
Input new data when at "Low".
At this time, all the
CITIZEN