HPRT PPD3, User Manual

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PPD3 User Manual
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CHAPTER 7 INTERFACES SIGNAL
Printer supports cash drawer interface and many other various communicate interfaces, such as Serial interface,
parallel interface, USB interface, Ethernet interface,Wi-Fi interface. The printer has the communication board with
the default USB interface and cash drawer interface, and the other communication boards with the Ethernet
interface, parallel interface, RS232 interface are optional.
7.1 Parallel Interface
Parallel interface supports protocol with 36 pin CENTRONICS socket.
Pin No. Signal Source
Signal Definition
1 H Data latch pulse, latch the data to the printer at the rising edge of the negative pulse
2 H
Data 0(The lowest bit)
3 H
Data 1
4 H
Data2Si
5 H
Data3
6 H
Data4
7 H
Data5
8 H
Data 6
9 H
Data7 (The highest bit)
10 P Printer response signal, indicates that the printer has received the last byte of data; A
negative pulse of about 1us.
11 P
Busy Signal; The printer is busy; High level indicates that the printer can’t receive
data.
12 P
PE Signal; paper end signal; High level indicates that the printer is paper end.
13
－
Unconnected
14
－
Unconnected
15 －
Unconnected
16
Logic Ground
17
Frame Ground, separated from logic ground
18 －
Unconnected
19~30
Logic Ground
31
－
Unconnected
32
P
Printer error signal, low level indicates that error occurs in the printer, the error
signal will output along with paper end signal.
33
Logic Ground
34~35 －
Unconnected
36 －
Unconnected