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FENIX IMVICO
TK51/IF9000 OPERATION MANUAL
18/82
The TK51/IF9000 serial input/output signals (RXD, /RTS and TXD) can be RS232C
level or TTL level (see
APPENDIX F- HOW TO ORDER
).
The TK51/if9000 receives and checks serial data according to the transmission baud
rate programmed.
If the input data is not printed correctly, the transmission conditions between the host
device and the TK51/IF9000 do not probably match. If this happens, the character
“?”
is continuously printed and user must adjust the transmission conditions so that they
match.
Serial data output (TXD): output pin, SUB-D9-3
•
Data is output according to the programmed transmission conditions.
Serial data input (RXD): input pin, SUB-D9-2
•
Data input port
•
Data is input from the host device according to the programmed transmission
conditions.
Serial busy (/RTS): output pin, SUB-D9-7
•
Indicates whether or not the printer is ready to receive data.
•
When the /RTS signal is “LOW”, data can be input.
Data terminal ready (/DTR): output pin, SUB-D9-4
•
Indicates whether the printer is ON_LINE/OFF_LINE.
•
When the /DTR signal is “LOW”, the printer is ON_LINE
.
•
2.2.3- CENTRONICS PARALLEL CONNECTOR
The TK51/IF9000 performs the IEE1284 protocol (
NIBBLE MODE
).
Copyright © 1994 by the Institute of Electrical and Electronic Engineers, Inc.
2.2.3.1-Compatibility mode (Data transmission from host system to the printer:
Centronics compatible)
*Any system sending data to the printer (PC, PLC, custom board, etc) is considered to
be a host system.
The compatibility mode supports compatibility with the Centronics parallel interface.
Specifications
Data transmission:
8-bit parallel
Synchronization:
nSTB signal externally provided
Protocol:
nACK (acknowledge) and BUSY signals
Signal levels:
TTL compatible
Connector (user side): 36 pin MALE CENTRONICS (IEEE 1284 Type B).
Содержание TK51 Series
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