Citizen Systems CBM-270 Benutzerhandbuch

CBM-270 User’s Manual

(1) Input signals to the printer

•

DATA

: 8-bit parallel signal (Positive logic)

•

STROBE

: Strobe signal to read the 8-bit data (Negative logic)

•

RESET

: Signal to reset the entire printer (Negative logic); 1 ms or more

(2) Output signals from the printer

•

ACK

: 8-bit data request signal.  A pulse signal to be output at the end of the BUSY signal

(Negative logic)

•

BUSY

: Signal to indicate that the printer is busy.  Input new data when it is "Low." (Positive

logic)

•

FAULT

: Turned to "Low" when the printer has an alarm.  At this time, all the control circuits in

the printer stop. (Negative logic)

•

PE

: Output if the printing paper has run out or is running out. (Positive logic)

(3) Power source and the related

•

+5 V DC

: 5 V output pulled up by a 10k

Ω

 resistor

•

GND

: Common ground for the circuits