Custom Audio Electronics PD190 Manuale utente
PD 190-LCD
PANEL PRINTER WITH LCD
PD190
User’s Manual
www.custom.it
PD 190-LCD
2
All rights reserved. The reproduction of this manual, either totally or partially, in any
form whatsoever, whether it be on paper or through computer processes, is strictly
prohibited. Custom Engineering s.r.l. and the resource teams employed in the making
of this manual will not be held responsible for any problems arising as a result of im-
proper use of this manual, as they guarantee that the information contained in it has
been subjected to careful inspection.
Any suggestions regarding errors in its contents or possible improvements will, none-
theless, be greatly appreciated. The products are continuously checked and im-
proved. For this reason Custom Engineering s.r.l. reserves the right to modify the
information contained in this manual without prior notice.
COD. DOME-PD190 Revision 1.10
Copyright 1998 Custom Engineering s.r.l. – Italy
Custom Engineering
Str. Berettine 2 - 43010 Fontevivo (PARMA) - Italy
Tel. : +39 0521-680111 - Fax : +39 0521-610701
PD 190-LCD
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GENERAL INFORMATION REGARDING SAFETY
•Read and keep the following instructions.
•Observe all warnings and follow all instructions attached to the printer.
•Before cleaning the printer, disconnect the feed cable.
•Clean the printer with a damp cloth. Do not use liquid or spray products.
•Do not operate the printer near to water.
•Do not place the printer on unsteady surfaces. It could fall and get seriously dam-
aged.
•Use the type of electricity supply marked on the printer label. In the event of uncer-
tainty, contact the seller.
•Position the printer in such a way as to ensure that the cables connected to it will
not be damaged.
•Ensure that the maximum absorbed current of the printer does not exceed the
maximum acceptable current for the type of feed cable used.
•Do not put objects of any kind inside the printer as they could cause a short circuit
or damage parts which could affect its performance.
•Do not spill liquids on the printer.
•Do not carry out technical operations on the printer with the exception of the sched-
uled maintenance operations specifically indicated in the user’s manual.
•Disconnect the printer from the electricity supply and have it repaired by a special-
ized technician should any of the following conditions occur:
A. The feed connector has been damaged.
B. Liquid has penetrated to the inside of the printer;
C. The printer has been exposed to rain or water;
D. The printer is not operating normally despite the instructions in the user’s
manual having been followed.
E. The printer has been dropped and its case damaged.
F. The performance of the printer is poor.
G. The printer does not work.
PD 190-LCD
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GENERAL FEATURES
The PD190 (Fig. 1) is the ideal solution for applications which require data to be instantly displayed on
a screen or printed on a ticket, whether the said data be of an industrial, professional and laboratory
nature. It is suitable for POS, weighing systems, receipts (not for tax purposes) as well as for security,
controlling and diagnostics purposes.
It has an 8-needle, rapid impact printing mechanism and uses 57.5 mm wide paper rolls. It also has a
16-character x 2-line LCD.
The PD190 printer is so lightweight and compact that it can be easily fitted on any kind of machinery. It
can be personally programmed and is thus able to meet all possible requirements. It has a 150 byte
print buffer and, as an option, can be equipped with a 256-byte EEPROM or, at the customer’s request
with a 2-Kbyte EEPROM. It has RS232 serial and CENTRONICS parallel interfaces as standard. It
can, in addition, be equipped with a Real Time Clock.
Figure 1
DESCRIPTION
PD 190-LCD
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PRODUCT DESCRIPTION
The PD190 printer has an ABS casing with a top covering the paper roll and print head.
The dimensions of the printer are shown in Figure 2.
The keyboard, located on the front of the printer, consists of the PRINT and FEED keys with their
respective LEDs and the LCD.
Figure 2
•PRINT key. When this key is pressed the printer transmits in serial the control character “$0D”; this
only happens if it has been enabled by DATA4 to logic “0” or if switch 5 of the RS232 option is in the
ON position. If, in the configuration of the keyboard, key setting has been selected, the transmitting
of the character “$0D” can be enabled or disabled. If the printer has a 2-Kbyte EEPROM (option),
the contents of the memorized blocks are transmitted.
•FEED key. This enables the manual paper feed. If pressed briefly, when the RTCK option is
installed, the time and date are printed. When the FEED key LED lights up, it is to indicate that the
logic card power supply is correct, i.e. that it is over 3.7 V (minimum threshold below which the
printer is reset and the LED goes out).
DESCRIPTION
PD 190-LCD
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Technical Specifications
Columns 24 40
Character (L x H)
Normal 1.7x2.6 1.1x2.6
Doubleheight 1.7x5.2 1.1x5.2
Doublewidth 3.4x2.6 2.2x2.6
Expanded 3.4x5.2 2.2x5.2
Graphic dot 0.33 x 0.38 0.19 x 0.38
Dots per line 144 240
Printing speed
Lines / sec 2.5 1.5
Characters/sec 60 60
Feed (lines / sec) 6 3.6
Line buffer 24bytes 40bytes
Print buffer 150bytes
Print method Impactordotmatrix
Character matrix 6 x 10 dots
Print direction Normalorreverse
Character set Normal and extended
Paper roll dimensions 57.5 ±0.5 mm x ∅50 mm max
Display 16 characters by 2 lines
Standard interfaces Serial and parallel TTL
Optional interfaces RS232 serial current loop and Parallel Centronics
Power supply Double or single 5 Vdc ±10%
Absorption
Mediumonstandby 50 mA
Mediumwhenprinting 880 mA
Impulsewhenprinting 3.5 A (600µSec)
Backlighteddisplay 300 mA
Environmental conditions
Operatingtemperature 0°C - +50°C
Operatinghumidity 35% - 85%
Storagetemperature/humidity -20°C - +70°C / 10%-90%
Options Realtimeclock,Powersupply, EEPROM 2 Kbyte
DESCRIPTION
PD 190-LCD
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REMOVING THE PRINTER FROM ITS PACKAGING
Open the package and check that:
a) none of the parts have been damaged during transportation;
b) that the ink cartridge is fitted on the printing mechanism and the paper roll is in place;
c) the two brass screws and washers necessary for installing the printer are, in fact fitted on it
Figure 3
INSTALLATION PROCEDURE
Make a 112 mm x 112 mm square hole in the wall where the printer is to be installed (see Figure 3).
Unscrew the two brass washers “A”, leaving the screws “B” in their holes. Insert the printer into the hole
on the wall, open the front panel and, from the back, manually screw in the two brass washers, until the
printer is firmly in place.
Insert the interface and the power supply connectors, located on the logic card.
If possible, protect the machine from direct light sources.
CONNECTIONS
Power supply
With regard to power supply, the PD190 printer has a standard AMPMODU1 4-pin male connector (J3).
The power supply connector pins are marked as follows:
1GND
2GND
3+VT :5 Vdc ±15% (printer head power supply)
4+VDC : 5 Vdc ±7% (logic card power supply)
DESCRIPTION
PD 190-LCD
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Logic
In the J1 a 20-pin connector, the signals are arranged as follows:
1+VT 2+VT
3+VDC 4+VDC
5GND 6GND
7TD 8D6
9D5 10 D4
11 D3 12 D2
13 D1 14 D0
15 D7(1) 16 RESET
17 S-EN 18 READY/RTS
19 FEED 20 STB/RD
(1) The D7 signal is not taken into consideration in cases of 7-bit programming of the parallel port.
In order to configure the PD190 with the extended character set, 8-bit programming of the parallel
interface is required.
The signals indicated have the following functions:
GND : signal ground and power supply ;
+VT : printer head power supply ;
+VDC: logic card power supply ;
S-EN: serial/parallel interface selection. If short-circuited to ground (0), it enables serial
communication ; if free (1), it enables parallel communication;
D0,...,D7: data bus. In parallel configuration, these correspond to the printer input data bus (the high
level indicates the binary digit 1). In serial communication, these are utilized to determine
speed of communication and transmission protocol ; normally the data bus is at logic level
1 : in order to obtain logic level 0, it has to be short-circuited to ground (GND).
Connectingwith the power supply connector (J3) can be avoidedby using the flat 20-pin logic connector
(J1), thus connecting the power supply and the printer signals with a single cable. The maximum length
of the flat cable must not, however, exceed 30 cm for the 20-pin version. The reason for this is that
current running along inside narrow wires can lead to power failures, which could interfere with the
correct functioning of the printer.
IftheprinterhastheRS232orCENTRONICSoptions, it must be supplied by means of the J1 connector.
For the pin pattern required for supplying power through the logic flat cable, please refer to the following
paragraph.
DESCRIPTION
PD 190-LCD
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D7 D6 D5 Format
1 1 1 8 bits without parity and 1 stop bit
0 1 1 8 EVEN parity bits and 1 stop bit
0 1 0 8 ODD parity bits and 1 stop bit
1 1 0 7 bits without parity and 1 stop bit
1 0 1 7 EVEN parity bits and 1 stop bit
1 0 0 7 ODD parity bits and 1 stop bit
Remember that, to configure the printer in serial mode, the S-EN signal has to be short-circuited to
ground on connector J1.
RESET Card controller reset, active at a low level. Resetting initializes the printer’s parameters
and has the following effects:
•Erasure of line buffer and print buffer;
•Selection of print format according to programming ;
•Reading of the S-EN pin of J1 for serial or parallel configuration;
•Printing of the self-test if the PRINT key is pressed ;
•Functionality check of the option cards installed, if any.
The serial baud rate can be set by the user as shown in the following table :
D0 D1 D2 BAUD
001 300
101 600
111 1200
011 2400
000 4800
100 9600
All other combinations select a speed of 1200 bauds.
D3=1: flag-type transmission protocol. When the buffer is full, the printer sends a low level on
the RTS signal, which interrupts transmission; when the buffer is able to receive further
data, the level of the RTS signal is then changed to 1.
D3=0: XON/XOFF type transmission protocol. When the buffer is full, the printer sends an XON$13
(DC3) which interrupts transmission; when the buffer is able to receive further data, the
command XON$11(DC1) is transmitted.
D4=1: when the PRINT key is pressed, nothing happens.
D4=0: when the PRINT key is pressed, the signal $0D (CR) is transmitted to the TD pin, if the
serial interface has been configured.
D5,D6 the selection of these bits results in the serial being configured with the transmission
e D7: format listed in the table below :
DESCRIPTION
PD 190-LCD
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READY/RTS in parallel configuration the high level indicates that the printer is ready to receive data.
The low level indicates that it is on standby (bus Y).
In serial communication, if the CTS/RTS protocol is enabled the high logic state (1)
indicates that the printer is ready to receive data; the low logic state (0) indicates that
theprintbuffer is full and cannot receive data. If the serial protocol XON/OFF isenabled,
the signal is always high.
FEED paper feed key, active at low level. This signal is in parallel with the contacts of the
FEED key on the front panel of the printer.
STR/RD in parallel configuration a low level tells the printer that there is valid data on the data
bus (D0, ..., D7). In serial configuration this corresponds to the data reception pin.
CONFIGURATION
With the PD190 printer default parameters may be configured.
The parameters affected by configuration are:
•enabling of Real Time Clock setting;
•print directions;
•no. of bits in parallel communication;
•enabling of seconds display;
•CRLF mode;
•enabling of printing of block 1;
•character sets;
•enabling of lapsed time meter.
The settings made are saved on the 256-byte EEPROM. As an option, a 2 Kbyte EEPROM (non-
volatile memory) containing 3 blocks - one of 300 bytes and two of 700 bytes - is available, in which
information of any kind can be stored. For details on memory block management, please read the
paragraph “Control Characters” in the section “Printer Functions”.
The printer can either be configured through the PC or by using the front keys on the printer.
Configuration through PC
This can be done by using an IBM or IBM-compatible computer with a serial output, or else by using a
programme which can be supplied on request. This programme, with its pull-down menus is user-
friendly and prompts the operator at each stage of the input procedure.
DESCRIPTION
Indice
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