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FENIX IMVICO
TK51/IF9000 OPERATION MANUAL
16/82
2.2.1.a) EARTH–GND connection.
The IF9000 arranges a terminal to connect the system EARTH to printer GND signal.
Between both terminals, there is a filter circuit implemented:
This RC filter avoids a current drift when the EARTH circuit is not good (there is not
EARTH connection or is defective, other noisy device in the system is injecting spurious
in the main power supply, etc).
If the installation system EARTH is very good (impedance<5 Ohm), it will be possible to
have a direct and optimum EARTH-GND connection, by shorting
C3
pads (it is not
mounted by default).
2.2.2- SERIAL RS-232 CONNECTOR
2.2.2.1- Specifications
•
Data asynchronous serial transmission.
•
Handshaking: CTS/RTS control.
•
Signal levels (RS232): Logic “1” = - 3V to –15V.
Logic “0” = +3V to +15V.
•
Baud rate: 9600, 19200, 38400, 115200 bps (
b
its
p
er
s
econd).
•
Data word length: 8 bits (fixed).
•
Parity Settings: None, even, odd.
•
Stop bits: Fixed to 1.
•
Connector (printer side): Male D-SUB9 pin connector.
NOTE The baud rate, and parity settings can be changed (refer to point
3.4.2-
PROGRAMMING MODE
).
EARTH
C3
R53
GND
1M
Содержание TK51 Series
Страница 1: ...TK51 THERMAL PRINTER SERIES IF9000 interface Operation Manual Version 3 November 2010...
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