Input And Output Signals - Citizen iDP-3221 User Manual

6.3

Input and Output Signals

6.3.1 Input and Output Signals
(1) Input signals to the printer
•DATA
•STROBE
•RESET
(2) Output signals from the printer
•ACK
•BUSY
•FAULT
•PE
•Drawer Switch Output:
(3) Power source and the related
•GND
: 8-bit parallel signal (Active High)
: Strobe signal to read the 8-bit data (Active Low)
: Signal to reset the entire printer (Active Low); 1 ms or more
: 8-bit data request signal. A pulse signal to be output at the end of the BUSY signal
(Active Low)
: Signal to indicate that the printer is busy. Input new data when it is "Low." (Active
High)
: Turned to "Low" when the printer has an alarm. At this time, all the control circuits in
the printer stop. (Active Low)
: Output if the printing paper has run out or is running out. (Active High)
When connecting a drawer, turned to "High" if the switch is open. Turned to "Low" if
the switch is closed.
: Common ground for the circuits