User’s Manual
CONTROL BOARD FOR LT-286 MODEL BD2-2860
Rev.1.01 Added notes Mar.19th,1999
BD2-2860 User’s Manual
1.Before using this equipment, be sure to read this User's manual thoroughly. Please keep this with care so as to referred to any time at need.
2.Portions of the contents of this User's manual may be changed without prior notice.
3.The reproduction of parts or all of the contents of this User's manual without permission is strictly forbidden.
4.Absolutely do not carry out maintenance, disassembly, or repair of parts that are not specified in this User's manual.
5.Note that losses which may be attributed to the user's wrong operation method or operating environment will be outside the responsibility of this company.
6.Do not carry out the operations other than those explained in this User's manual, since doing do so may become a cause of accidents or breakdowns.
7.Because data is basically transient, long-period and permanent storage of data will not be possible. Please note in advance that this company will not be responsible in any way for losses or lost profits caused through the clearing of the data due to breakdowns, repairs, investigations, etc.
8.If any questionable points, mistakes, omitted explanations, etc. are found in the contents of this manual, please contact this company.
9.Please note that notwithstanding the conditions in above 8; this company will not be responsible for the consequences of results obtained through operation of this equipment.
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BD2-2860 User’s Manual
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CONTENT |
|
<CAUTIONS> ...................................................................................................................................................... |
2 |
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1. OUTLINE .......................................................................................................................................................... |
5 |
|
1.1 |
FEATURES ............................................................................................................................................................... |
5 |
1.2 |
PRECAUTION........................................................................................................................................................... |
5 |
1.3 MAINTENANCE AND SERVICE................................................................................................................................... |
6 |
|
2.BASIC SPECIFICATIONS ..................................................................................................................... |
7 |
|
2.1 MODEL CLASSIFICATION .......................................................................................................................................... |
7 |
|
2.2 BASIC SPECIFICATIONS ............................................................................................................................................ |
8 |
|
3.CONNECTING CONNECTORS......................................................................................................... |
9 |
|
3.1 CN1 CONNECTOR FOR PRINTER MECHANISM (FOR PRINT HEAD).............................................................................. |
9 |
|
3.2 CN2 CONNECTOR FOR PRINT MECHANISM (FOR MOTOR & SENSOR) ...................................................................... |
10 |
|
3.3 CN3 CONNECTOR FOR INTERFACE ......................................................................................................................... |
11 |
|
3.4 CN4 CONNECTOR FOR PAPER CUTTER ................................................................................................................... |
12 |
|
4.DIP SWITCH SETTING......................................................................................................................... |
13 |
|
5.POWER SUPPLY ........................................................................................................................................ |
15 |
|
5.1 |
SPECIFICATIONS .................................................................................................................................................... |
15 |
5.2 |
PRECAUTIONS ....................................................................................................................................................... |
15 |
6.PARALLEL INTERFACE..................................................................................................................... |
16 |
|
6.1 |
SPECIFICATIONS .................................................................................................................................................... |
16 |
6.2 EXPLANATION OF INPUT /OUTPUT SIGNALS ............................................................................................................ |
16 |
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6.3 ELECTRICAL CHARACTERISTICS ............................................................................................................................. |
17 |
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6.4 TIMING CHART ...................................................................................................................................................... |
18 |
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6.5 DATA RECEIVING CONTROL .................................................................................................................................... |
18 |
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6.6 BUFFERING ........................................................................................................................................................... |
18 |
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7. SERIAL INTERFACE ............................................................................................................................ |
19 |
|
7.1 |
SPECIFICATIONS .................................................................................................................................................... |
19 |
7.2 |
EXPLANATION OF INPUT / OUTPUT SIGNALS ........................................................................................................... |
20 |
7.3 DATE CONFIGURATION ........................................................................................................................................... |
21 |
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7.4 ERROR DETECTION ............................................................................................................................................... |
22 |
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7.5 DATA RECEIVING CONTROL .................................................................................................................................... |
22 |
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7.6 BUFFERING ........................................................................................................................................................... |
22 |
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7.7 ELECTRICAL CHARACTERISTICS ............................................................................................................................. |
23 |
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BD2-2860 User’s Manual
8. ERROR HANDLING ............................................................................................................................... |
24 |
8.1 PERIPHERAL CIRCUIT ERRORS ............................................................................................................................... |
24 |
8.2 OPERATION ERRORS .............................................................................................................................................. |
25 |
8.3 ERROR INDICATION ............................................................................................................................................... |
26 |
9. PRINTER MECHANISM CONTROL SYSTEM .................................................................. |
27 |
9.1 THERMAL HEAD CONTROL SYSTEM (DIVISION DRIVING SYSTEM)........................................................................... |
27 |
9.1.1 Fixed Division Number System ...................................................................................................................... |
27 |
9.1.2 Variable Division Number System .................................................................................................................. |
27 |
9.2 MOTOR DRIVE ...................................................................................................................................................... |
28 |
9.2.1 Motor Drive Features .................................................................................................................................... |
28 |
9.2.2 Maximum Motor Drive Speeds at Major Voltage ............................................................................................ |
28 |
10. PRINT CONTROL FUNCTIONS................................................................................................. |
29 |
10.1 COMMAND LIST .................................................................................................................................................. |
29 |
10.2 COMMAND DETAILS ............................................................................................................................................ |
30 |
10.2.1 Description of Items..................................................................................................................................... |
30 |
10.2.2 Details......................................................................................................................................................... |
31 |
11. CHARACTER CODE TABLE........................................................................................................ |
77 |
11.1 INTERNATIONAL .................................................................................................................................................. |
77 |
11.2 JAPANESE............................................................................................................................................................ |
78 |
11.3 INTERNATIONAL CHARACTER SET ........................................................................................................................ |
79 |
APPENDIX 1. BLOCK DIAGRAM........................................................................................................................ |
80 |
APPENDIX 2. OUTER DIMENSION..................................................................................................................... |
81 |
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BD2-2860 User’s Manual
This control boards is designed to be used to control our thermal printer, "LT-286" series through the computer etc.
As being provided with many abundant functions, it can be used widely in various applications. Before you start using it, read this manual thoroughly and understand the content.
(1)Ultra compact
(2)Both interface of Serial and Parallel can be selected by dip switch.
(3)Input buffer incorporated.
(4)Bar code printing is available.
(5)Auto paper cutter control incorporated.
(6)User-defined character registration function (94 characters)
(1)Make sure to turn OFF the power supply in case of connecting / disconnecting the connectors.
(2)Absolutely do not make a short circuit between the terminals of connectors.
(3)Use power supply, LED, interface etc. following their sp ecifications.
(4)Use the recommended paper shown below.
• Thermal Paper TF50KS-E2(Nippon-Seishi)
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BD2-2860 User’s Manual
For the information on maintenance and service, please contact our dealer or at the following address.
Northern America |
Other Areas |
||
CBM America Corporation |
Japan CBM Corporation |
||
Service Center |
Information Systems Division |
||
365 Van Ness Way Suite 510 |
5-68-10, Nakano Nakano-ku, |
||
Torrance, CA 90501, U.S.A |
Tokyo 164-0001 Japan |
||
TEL |
310-781-1460 |
TEL |
03-5345-7540 |
FAX |
310-781-9157 |
FAX |
03-5345-7541 |
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BD2-2860 User’s Manual
BD2-2860 U
Character Set
U : International model
Model Name of applied printer mechanism 2860: For LT-286
Model Name
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BD2-2860 User’s Manual
Items |
Contents |
Print width |
48 mm |
Print Speed |
400 dot line / sec (When 7.2V) |
Number of columns |
Font A : 32 columns |
|
Font B : 42 columns |
Character dimensions |
Font A : 1.25 mm x 3.00 mm (10 + 2 dots space x 24 dots) |
|
Font B : 0.88 mm x 2.13 mm ( 7 + 2 dots space x 24 dots) |
Character types |
Alphanumeric, international characters |
Bar code type |
UPC-A/E, JAN (EAN) 13 / 8 columns, ITF |
|
CODE 39, CODE 128, CODABAR |
Line pitch |
4.23 mm (Can be changed by command) |
Interface |
Parallel (Conforms to Centronics) or Serial (Conforms to RS-232C) |
|
(Selectable by dip switch) |
Input buffer |
2 K bytes |
Supply voltage |
5V ± 5 % Approx. 180mA |
|
4.2V ~ 8.5V Approx. 1.3A(Ave) Approx. 4.0A(Peak) When 7.2V |
|
Ordinal voltage is to be 7.2V(Max) |
|
8.5V is a voltage, which is right after charging. |
Operating Environment |
0 ~ 40°C (Print guaranteed at 5 ~ 40°C) |
Storage Environment |
-20 ~ 60°C |
Outer Dimension |
75mm (W) x 80mm (D) (For height of component parts, see outer drawing.) |
Weight |
Approx. 50 g |
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BD2-2860 User’s Manual
Pin No. |
Signal Name |
I/O |
Function |
||
1 |
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VH |
– |
Power for print head |
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2 |
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VH |
– |
Power for print head |
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3 |
|
VH |
– |
Power for print head |
|
4 |
|
DO |
Output |
Head data output signal |
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5 |
|
LATCH |
Output |
Latch signal |
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6 |
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CP |
Output |
Clock pulse |
|
7 |
|
Vdd |
– |
Power for circuit |
|
8 |
|
STRB1 |
Output |
Strobe 1 |
|
9 |
|
STRB2 |
Output |
Strobe 2 |
|
10 |
|
STRB3 |
Output |
Strobe 3 |
|
11 |
|
TH |
Input |
Thermistor |
|
12 |
|
GND |
– |
Power GND |
|
13 |
|
GND |
– |
Power GND |
|
14 |
|
GND |
– |
Power GND |
|
15 |
|
GND |
– |
Power GND |
|
16 |
|
GND |
– |
Power GND |
|
17 |
|
GND |
– |
Power GND |
|
18 |
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GND |
– |
Logic GND |
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19 |
|
NC |
– |
No connection |
|
20 |
|
NC |
– |
No connection |
|
21 |
|
STRB4 |
Output |
Strobe 4 |
|
22 |
|
STRB5 |
Output |
Strobe 5 |
|
23 |
|
STRB6 |
Output |
Strobe 6 |
|
24 |
|
NC |
– |
No connection |
|
25 |
|
DI |
Input |
Print data serial input |
|
26 |
|
VH |
– |
Power for print head |
|
27 |
|
VH |
– |
Power for print head |
|
28 |
|
VH |
– |
Power for print head |
Applicable Connector : 6216-28 000 808 (Kyocera Elco)
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BD2-2860 User’s Manual
Pin No. |
Signal Name |
I/O |
Function |
|||||
1 |
MOTOR A |
Output |
Operation signal for motor A |
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2 |
MOTOR B |
Output |
Operation signal for motor B |
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3 |
MOTOR |
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Output |
Operation signal for motor |
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A |
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A |
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4 |
MOTOR |
B |
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Output |
Operation signal for motor |
B |
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5 |
PE C |
– |
Photo-transistor collector (Paper sensor) |
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6 |
GND |
– |
Photo-transistor emitter (Paper sensor) |
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7 |
PE A |
– |
Photo-LED anode (Paper sensor) |
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8 |
GND |
– |
Photo-LED cathode (Paper sensor) |
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9 |
GND |
– |
Head-up sensor GND |
|||||
10 |
H-UP |
Input |
Head-up signal |
Using Connector : 53047-1010 (Molex)
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BD2-2860 User’s Manual
Pin No. |
Signal Name |
I/O |
Function |
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1 |
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Vdd |
– |
Power supply for circuit (5V) |
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2 |
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Vdd |
– |
Power supply for circuit (5V) |
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3 |
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Vdd |
– |
Power supply for circuit (5V) |
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4 |
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GND |
– |
GND |
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5 |
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GND |
– |
GND |
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6 |
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GND |
– |
GND |
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7 |
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VH |
– |
Power supply for operation (4.2~8.5V) |
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8 |
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VH |
– |
Power supply for operation (4.2~8.5V) |
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9 |
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VH |
– |
Power supply for operation (4.2~8.5V) |
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10 |
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VH |
– |
Power supply for operation (4.2~8.5V) |
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11 |
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VH |
– |
Power supply for operation (4.2~8.5V) |
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12 |
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VH |
– |
Power supply for operation (4.2~8.5V) |
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13 |
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P-GND |
– |
GND for operation |
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14 |
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P-GND |
– |
GND for operation |
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15 |
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P-GND |
– |
GND for operation |
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16 |
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P-GND |
– |
GND for operation |
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17 |
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P-GND |
– |
GND for operation |
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18 |
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P-GND |
– |
GND for operation |
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19 |
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Input |
LF Switch input |
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LF-SW |
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20 |
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Output |
Error LED output (Can be connected directly) |
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ERROR |
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21 |
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Output |
PE LED output (Can be connected directly) |
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PE OUT |
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22 |
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DTR |
Output |
Serial Interface DTR |
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23 |
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TXD |
Output |
Serial Interface TXD |
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24 |
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RXD |
Input |
Serial Interface RXD |
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25 |
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DSR |
Input |
Serial Interface DSR |
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26 |
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Input |
Parallel Interface |
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STB |
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STB |
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27 |
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BUSY |
Output |
Parallel Interface BUSY |
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28 |
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Output |
Parallel Interface |
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ACK |
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ACK |
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29 |
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DATA 0 |
Input |
Parallel Interface DATA 0 |
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30 |
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DATA 1 |
Input |
Parallel Interface DATA 1 |
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31 |
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DATA 2 |
Input |
Parallel Interface DATA 2 |
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32 |
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DATA 3 |
Input |
Parallel Interface DATA 3 |
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33 |
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DATA 4 |
Input |
Parallel Interface DATA 4 |
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34 |
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DATA 5 |
Input |
Parallel Interface DATA 5 |
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35 |
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DATA 6 |
Input |
Parallel Interface DATA 6 |
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36 |
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DATA 7 |
Input |
Parallel Interface DATA 7 |
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37 |
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PE |
Output |
Parallel Interface PE |
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38 |
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Output |
Parallel Interface |
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FAULT |
FAULT |
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39 |
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RESET |
|
Input |
Parallel Interface |
RESET |
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40 |
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NC |
– |
No Connection |
Using Connector : LY20-40P-DT1-P5 (JAE)
Applicable Connector : LY10-DC40 (JAE)
11 |
CITIZEN |
BD2-2860 User’s Manual
CAUTION:
1.For LED of ERROR and PE, there is a resister of 330 Ω on the circuit side to make current value 10mA.
Please use LED which its voltage is approx. 2V. LED over 10mA may break a control board.
2.Control circuit requires power supply only for one pin of each VCC and GND. However, Operation voltage is to be supplied to all of pin for safety use.
3.Serial interface equips a driver and receiver of RS-232C, make sure to use it at RS-232C level.
4.RESET terminal is pulled up by 3.3KW. Make sure to make this terminal NC, when this terminal is not used.
5.LF-SW input circuit is as below.
Pin No. |
Signal Name |
I/O |
Function |
1 |
M + |
Output |
Cutter motor operational signal M + |
2 |
M – |
Output |
Cutter motor operational signal M – |
3 |
GND |
– |
GND |
4 |
SW |
Input |
Cutter switch input signal |
Using Connector : 5207-0410A (Molex)
Note ) Use the specified Paper Cutter(Model Name : ACS-220-5V)
12 |
CITIZEN |
BD2-2860 User’s Manual
(1)DIP SWITCH
Pin No. |
|
|
Function |
|
|
ON |
|
|
OFF |
|
|
Factory Setting |
|||
DS1-1 |
|
|
Auto Cutter |
Enable |
|
|
Disable |
|
|
OFF |
|||||
2 |
|
|
CR Selection |
LF Enable |
|
LF Disable |
|
|
ON |
||||||
3 |
|
|
Print Density |
Combination with (2)-J6 (See below) |
|
|
OFF |
||||||||
4 |
|
DTR/XON-XOFF |
XON-XOFF |
|
DTR/DSR |
|
|
OFF |
|||||||
5 |
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Baud Rate |
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OFF |
|||
6 |
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" |
|
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|
See below (3) |
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OFF |
|||
7 |
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" |
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OFF |
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8 |
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" |
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OFF |
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(2) JUMPER |
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No. |
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Function |
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Short |
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Open |
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Factory Setting |
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J1 |
International Character set |
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Open (Short circuit) |
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J2 |
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" |
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See below (4) |
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Open (Short circuit) |
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J3 |
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" |
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Open (Short circuit) |
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J4 |
Paper Auto Loading |
Enable |
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Disable |
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Short circuit |
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J5 |
Print Drive System |
Variable division |
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Fixed division |
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Short circuit |
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J6 |
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Print Density |
Combination with DS1-3 |
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Short circuit |
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(Supplementary) |
See below(5) |
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J7 |
Not Used |
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Short circuit |
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J8 |
Not Used |
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Short circuit |
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(3) INTERFACE & BAUD RATE |
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DS1-8 |
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7 |
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6 |
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5 |
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Input Method |
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Parity |
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Baud Rate |
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OFF |
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OFF |
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OFF |
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OFF |
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Parallel Input |
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-- |
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-- |
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OFF |
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OFF |
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OFF |
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ON |
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Serial Input |
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None |
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1200 bps |
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OFF |
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OFF |
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ON |
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OFF |
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" |
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" |
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2400 bps |
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OFF |
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OFF |
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ON |
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ON |
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" |
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" |
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4800 bps |
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OFF |
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ON |
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OFF |
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OFF |
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" |
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" |
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9600 bps |
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OFF |
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ON |
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OFF |
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ON |
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" |
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" |
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19200 bps |
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OFF |
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ON |
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ON |
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OFF |
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" |
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Odd |
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1200 bps |
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OFF |
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ON |
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ON |
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ON |
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" |
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" |
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2400 bps |
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ON |
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OFF |
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OFF |
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OFF |
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" |
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" |
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4800 bps |
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ON |
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OFF |
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OFF |
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ON |
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" |
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" |
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9600 bps |
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ON |
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OFF |
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ON |
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OFF |
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" |
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" |
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19200 bps |
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ON |
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OFF |
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ON |
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ON |
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" |
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Even |
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1200 bps |
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ON |
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ON |
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OFF |
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OFF |
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" |
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" |
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2400 bps |
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ON |
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ON |
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OFF |
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ON |
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" |
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" |
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4800 bps |
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ON |
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ON |
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ON |
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OFF |
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" |
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" |
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9600 bps |
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ON |
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ON |
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ON |
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ON |
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" |
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" |
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19200 bps |
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13 |
CITIZEN |
BD2-2860 User’s Manual
(4) INTERNATIONAL CHARACTER SET
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J-3 |
2 |
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1 |
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International |
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Character |
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Open |
Open |
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Open |
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Japan (JIS) |
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Open |
Open |
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Short |
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Japan (Shift-JIS) |
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Open |
Short |
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Open |
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Sweden |
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Open |
Short |
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Short |
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Denmark 1 |
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Short |
Open |
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Open |
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U.K. |
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Short |
Open |
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Short |
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Germany |
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Short |
Short |
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Open |
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France |
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Short |
Short |
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Short |
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U.S.A |
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(5) PRINT DENSITY |
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DS1-3 |
J-6 |
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Print Density |
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Level |
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Print Density Rate |
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OFF |
Open |
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Light |
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0 |
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80% |
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OFF |
Short |
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Standard |
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1 |
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100% |
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ON |
Open |
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Slightly Dark |
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2 |
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120% |
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ON |
Short |
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Dark |
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3 |
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150% |
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Note) |
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1.Input Buffer is 2k byte.(Fixed)
2.Serial data length is 8 bits.(Fixed)
14 |
CITIZEN |
BD2-2860 User’s Manual
VCC : |
5V ± 5% 180 mA |
VP : |
4.2V ~ 8.5V 1.3A (Peak : Approx.4.0A) |
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Ordinal Voltage is to be 7.2V(Max). 8.5V is a voltage that is right after charging. |
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8.5V cannot be used for ordinal voltage. |
(1)Design the product to supply power to Vdd before VH When power is supplied to this control board.
(2)Design the product to turn off the power for Vdd after VH when power is turned off.
(3)Make sure to turn off the power in case of connecting / disconnecting connectors.
(4)Make sure to use Vdd and VH following their specifications.
(5)Make sure to use this control board connecting all of terminals between VH and P-GND.
15 |
CITIZEN |
BD2-2860 User’s Manual
|
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Data input method |
: 8 bit parallel signal (DATA0~7) |
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Control signals |
: |
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BUSY, |
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PE, |
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ACK, |
STB, |
FAULT, |
RESET |
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6.2 Explanation of Input /Output Signals |
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DATA0~7 |
: 8 bit parallel signal (Positive logic) |
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STB |
: Strobe signal to read 8 bit data (Negative logic) |
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RESET |
: Signal to reset control board (Negative logic) |
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ACK |
: 8 bit data request signal. Pulse signal output at the end of the BUSY signal |
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(Negative logic) |
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BUSY |
: Signal to indicate BUSY state of the printer, Input new data for "LOW" |
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(Positive logic) |
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FAULT |
: Signal which is made "LOW" when printer is in alarm state.(Negative logic) |
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PE |
: Signal which is output when paper runs out.(Positive logic) |
16 |
CITIZEN |
BD2-2860 User’s Manual
(1) |
Input Signal Level |
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"HIGH" level |
: 0.7Vdd MIN |
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"LOW" level |
: 0.3Vdd MAX |
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(2) |
Output Signal Level |
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"HIGH" level |
: Vdd – 0.1V MIN |
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"LOW" level |
: |
0.1V MAX |
(3) I/O Conditions
STB, RESET input signals are pulled up by 47KΩ. Other input signals are pulled up by 50K Ω.
<Printer side> |
<Host side> |
All the output signals are pulled up by 50KΩ.
<Printer side> |
<Host side> |
17 |
CITIZEN |
BD2-2860 User’s Manual
(1)Data Input and Printing Timing
Supply
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T1, T2, T3 |
: 0.5 s (MIN) |
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T4 |
: 270 ns (MAX) |
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T5 |
: 2.3 s (TYP) |
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T6 |
: 500 ms (MIN) *On supplying power |
When BUSY signal is "LOW", data from the host can be received. When it being "HIGH", data cannot be received.
This control board incorporates 2K byte buffer.
Therefore, big data can be buffered in input buffer, and the host side can be released immediately.
18 |
CITIZEN |
BD2-2860 User’s Manual
(1) |
Data transfer system |
: Asynchronous |
(2) |
Baud rates |
|
1200, 2400, 4800, 9600, 19200 bps (Selectable by user)
(3) Configuration of one word
Start bit |
: |
1 bit |
Data bit |
: |
8 bits Fixed |
Parity bit |
: |
Odd/Even or No parity (Selectable by user) |
Stop bit |
: |
1 bit or more |
(4)Signal polarity
RS-232C
• Mark |
= |
logic " 1" (– 3V ~ – 12V) |
• Space |
= |
logic " 0" (+3V ~ +12V) |
(5)Receiving data (RD signal)
RS-232C
• Mark |
= |
1 |
• Space |
= |
0 |
(6)Receiving control (DTR signal)
RS-232C
• Mark |
: |
Data transfer is not available |
• Space |
: |
Data transfer is available |
(7) Transmission control (TD signal)
DC1 code (11H) |
X-ON : |
Data reception is available |
DC3 code (13H) |
X-OFF : |
Data reception is not available |
19 |
CITIZEN |
BD2-2860 User’s Manual
(1) RXD
Serial receiving data signal. On occurrence of framing error, overrun error, or parity error, the data is printed as "?".
(2) DTR
When this signal is READY, write data or a command. When they are written in BUSY, overrun error is occurred and data is ignored. Even during printing, data can be loaded in the input buffer. Further, BUSY can take place on supply of power, during test printing, during on-line, or on resetting.
(3) TXD
When, while in data reception, the rest of input buffer on the printer side goes less than 256 bytes , DC3 (13H) data reception impossible signals are output, when the rest of input buffer goes more than 256 bytes, DC1 (11H) data reception possible signals are output to the host.
When DTR/DSR control having been selected in status information transmission, it is first confirmed that DSR is "space" and data is sent.
When DTR/DSR control has not been selected, DSR is ignored and data is transmitted.
(4) GND
Common GND on the circuit.
20 |
CITIZEN |
BD2-2860 User’s Manual
Mark
b1,b2,b3 · · · ·
Space |
(1) |
(2) |
(3) |
(1)Start bit
(2)Data bit (+ Parity bit)
(3)Stop bit ( 1 or more )
(1)Start Bit
In 1/2 bit from the mark-to-space starting edge, state is read once again. When "space" state is confirmed, it is recognized as the start bit. If it is "mark" state, it is not taken as the start bit.
Without taking it as an error, detection of a start bit is carried out once again.
(2) Data Bit + Parity Bit
Data bit and parity bit are sampled at 1/2 start bit for time length equal to 1 bit. The state thus sampled is taken as the data for the bit concerned. Bits are named as Bit 0, Bit 1.…. Parity bit counted from the one close to the start bit.
(3) Stop Bit
The stop bit is a mark level of 1 bit or more. With "space" having been detected on detection of a stop bit, framing error takes place.
21 |
CITIZEN |
BD2-2860 User’s Manual
Parity, framing, and overrun are detected. On detection of any error, the data are stored in the buffer as "?".
(1) Framing Error
With "space" state having been detected on detection of a stop bit, error takes place.
The data are stored in the buffer as "?".
(2) Parity Error
With an error having been detected under specifying parity check, the data is stored in the buffer as "?".
(3) Overrun Error
On detection of an overrun error, the data are stored in the buffer as "?".
When DTR/DSR control having been selected, with BUSY signal at "LOW", data from the host side are received. With the signal at "HIGH", they can not be received.
When DTR/DSR control not having been selected, after X-ON transmission, data is received from the host side. No transmission of data can take place after X-OFF is transmitted.
Data transfer to the input buffer include DTR signals and TD signals as the control signals concerned.
(1)DTR signals (See the page 20 – 7.2(2))
(2)TXD signals (See the page 20 – 7.2(3))
22 |
CITIZEN |
BD2-2860 User’s Manual
(1)RS-232C Circuit
Input (RXD, DSR)
<Printer side> |
<Host side> |
Mark=(-8V): Stop bit
RXD
Space=(+8V): Start bit
Equivalent MAX232
Output (DTR, TXD)
Equivalent MAX232 |
|
Mark=(-8V): At Busy |
Mark=(-8V): 1 |
DTR |
TD |
Space=(+8V): At Ready |
Space=(+8V): 0 |
23 |
CITIZEN |
BD2-2860 User’s Manual
These errors are detected at power-on or initialization just after a reset.
(1) Error Types
Error |
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Description |
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Memory error |
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The CPU made a self-diagnosis of the circuit and detected an error with the external |
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RAM. |
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Cutter error |
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With the auto cutter enabled at the function selection terminal (DS1-1), the auto |
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cutter (ACS-220-5V) is not connected to the cutter connector (CN4). |
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(2) External signal outputs |
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Interface Connector (CN3) |
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Pin No. |
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Signal Name |
Remarks |
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20 |
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LED output. For a blinking pattern, see 8.3 Error Indication. |
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ERROR |
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22 |
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DTR |
Serial interface |
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27 |
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BUSY |
Parallel interface |
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38 |
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FAULT |
Parallel interface |
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(3) Resetting methods
Error |
Resetting Method |
Memory error |
Unrecoverable |
Cutter error |
After turning off the power, connect the auto cutter (ACS-220-5V) or turn off the |
|
function selection terminal (DS1-1) and turn on the power again. |
24 |
CITIZEN |
BD2-2860 User’s Manual
(1)Error types
Error |
Description |
No paper |
The printing paper set is not set |
Head –up |
The head-up lever is at its up position |
VH voltage error |
A VH voltage is beyond its allowable range (4.2 to 8.5V) |
Head temperature error |
A head temperature is less than 0°C or 65°C or higher. |
Cutter lock |
When driving the cutter, the cutter is locked due to an external factor (Paper jam, |
(ACS-220-5V) |
etc.). |
Note 1) The 8.5V upper-limit voltage for VH voltage error is only an assumptive voltage just after charging the battery when using the battery power. It cannot be normally used. A normal maximum voltage is 7.2V.
(2) External signal outputs Interface Connector (CN3)
Pin No. |
Signal Name |
Remarks |
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20 |
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ERROR |
LED output. For a blinking (Lighting) pattern, see 8.3 Error Indication. |
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21 |
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LED output. This is always o utput at the time of no paper. |
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PE OUT |
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22 |
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DTR |
Serial interface |
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27 |
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BUSY |
Parallel interface |
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37 |
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PE |
Parallel interface |
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38 |
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Parallel interface |
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FAULT |
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(3) Resetting methods
Error |
Resetting Method |
No paper |
Set the paper. See Note 1. |
Head –up |
Bring down the head-up lever. |
VH voltage error |
Set to a voltage within the allowable range (4.2 to 8.5V) and turn on the power |
|
again. Alternatively, activate the Pin19 (LFSW) of the CN3(interface connector). |
Head temperature error |
At the lower limit (less than 0°C), printing becomes operational at 0°C higher. |
|
At the upper limit (65°C or higher), it become operational at 60°C or lower. |
Cutter lock |
Eliminate paper jam and activate the Pin19(LFSW) of the CN3(Interface |
(ACS-220-5V) |
Connector) or turn on the power again. |
Note 1) When auto loading has not been selected with the function selection jumper(J4), set the paper manually. When it has been selected, the auto loading function is enabled to facilitate replacement of the paper.
Note 2) The 8.5V upper-limit voltage for VH voltage error is only an assumptive voltage just after charging the battery when using the battery power. It cannot be normally used. A normal maximum voltage is 7.2V.
25 |
CITIZEN |