1.Before using this equipment, be sure to read this User's m anual thoroughly.
Please keep this with care so as to referred to anytime at need.
2.Portions of the contents of this User's manual may be changedwithout prior notice.
3.The reproduction of parts or all of the contents of this User's manual without permission is
strictly forbidden.
4.Absolutelydo not carry out m aintenance, 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
thismanual, please contact this company.
9.Please note that notwithstanding the conditions in above 8; this company will not be
responsible for the consequences o f results obtained through operation of this equipment.
AINTENANCE AND SERVICE................................................................................................................................... 6
ATA RECEIVING CONTROL....................................................................................................................................18
XPLANATION OF INPUT /OUTPUT SIGNALS ...........................................................................................................20
7.2 E
ATE CONFIGURATION...........................................................................................................................................21
ATA RECEIVING CONTROL....................................................................................................................................22
9.1.1 Fixed Division Number System......................................................................................................................27
9.1.2 Variable Division Number System ..................................................................................................................27
9.2.1 Motor Drive Features....................................................................................................................................28
9.2.2 Maximum Motor Drive Speeds at Major Voltage ............................................................................................28
10.2.1 Description of Items.....................................................................................................................................30
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.
1.1 Features
(1) Ultra compact
(2) Both interface of Serial and Parallel can be selected by dip switch.
(3) Input buffer incorporated.
(4) Bar code printingis available.
(5) Autopaper cutter control incorporated.
(6) User-definedcharacter registration function (94 characters)
1.2 Precaution
(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 specifications.
(4) Use the recommended paper shown below.
• Thermal Paper TF50KS-E2(Nippon-Seishi)
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BD2-2860 User’s Manual
1.3 Maintenance and Service
For the information on maintenance and service, please contact our dealer or at the following address.
Northern AmericaOther Areas
CBM America CorporationJapan CBM Corporation
Service CenterInformation Systems Division
365 Van Ness Way Suite 5105-68-10, Nakano Nakano-ku,
Torrance, CA 90501, U.S.ATokyo 164-0001 Japan
1VH–Power for print head
2VH–Power for print head
3VH–Power for print head
4DOOutputHeaddata output signal
5LATCHOutputLatch signal
6CPOutputClock pulse
7Vdd–Power for circuit
8STRB1OutputStrobe 1
9STRB2OutputStrobe 2
10STRB3OutputStrobe 3
11THInputThermistor
12GND–Power GND
13GND–Power GND
14GND–Power GND
15GND–Power GND
16GND–Power GND
17GND–Power GND
18GND–Logic GND
19NC–No connection
20NC–No connection
21STRB4OutputStrobe 4
22STRB5OutputStrobe 5
23STRB6OutputStrobe 6
24NC–No connection
25DIInputPrint data serial input
26VH–Power for print head
27VH–Power for print head
28VH–Power for print head
3.2 CN2 Connector forPrint Mechanism (For Motor & Sensor)
Pin No.Signal NameI/OFunction
1MOTOR AOutputOperation signal for motor A
2MOTOR BOutputOperation signal for motor B
3MOTOR AOutputOperation signal for motor A
4MOTOR BOutputOperation signal for motor B
5PEC –Photo-transistor collector (Paper sensor)
6GND–Photo-transistor emitter (Paper sensor)
7PEA –Photo-LED anode (Paper sensor)
8GND–Photo-LED cathode (Paper sensor)
9GND–Head-up sensor GND
10H-UPInputHead-up signal
UsingConnector : 53047-1010 (Molex)
BD2-2860 User’s Manual
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3.3 CN3 Connector for Interface
Pin No.Signal NameI/OFunction
1Vdd
2Vdd
3Vdd
4GND
5GND
6GND
7VH
8VH
9VH
10VH
11VH
12VH
13P-GND
14P-GND
15P-GND
16P-GND
17P-GND
18P-GND
19LF-SWInputLF Switch input
20ERROROutputError LED output (Can be connected directly)
21PE OUTOutputPE LED output (Can be connected directly)
22DTROutputSerial Interface DTR
23TXDOutputSerial Interface TXD
24RXDInputSerial Interface RXD
25DSRInputSerial Interface DSR
26STBInputParallel Interface STB
27BUSYOutputParallel Interface BUSY
28ACKOutputParallel Interface ACK
29DATA 0InputParallel Interface DATA 0
30DATA 1InputParallel Interface DATA 1
31DATA 2InputParallel Interface DATA 2
32DATA 3InputParallel Interface DATA 3
33DATA 4InputParallel Interface DATA 4
34DATA 5InputParallel Interface DATA 5
35DATA 6InputParallel Interface DATA 6
36DATA 7InputParallel Interface DATA 7
37PEOutputParallel Interface PE
38FAULTOutputParallel Interface FAULT
39RESETInputParallel Interface RESET
40NC
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Using Connector : LY20-40P-DT1-P5 (JAE)
Applicable Connector : LY10-DC40 (JAE)
Power supply for circuit (5V)
Power supply for circuit (5V)
Power supply for circuit (5V)
GND
GND
GND
Power supply for operation (4.2~8.5V)
Power supply for operation (4.2~8.5V)
Power supply for operation (4.2~8.5V)
Power supply for operation (4.2~8.5V)
Power supply for operation (4.2~8.5V)
Power supply for operation (4.2~8.5V)
GND for operation
GND for operation
GND for operation
GND for operation
GND for operation
GND for operation
No Connection
BD2-2860 User’s Manual
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BD2-2860 User’s Manual
CAUTION:
1.For LED of ERROR and PE, there is a resister of 330Ω on the circuit side tomake 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 tomake this terminal NC, when this
terminal is not used.
5.LF-SW input circuit is as below.
3.4 CN4 Connector for Paper Cutter
Pin No.Signal NameI/OFunction
1M +OutputCutter motor operational signal M +
2M–OutputCutter motor operational signal M –
3GND–GND
4SWInputCutter switch input signal
UsingConnector : 5207-0410A (Molex)
Note ) Use the specifiedPaper Cutter(Model Name : ACS-220-5V)
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BD2-2860 User’s Manual
4. DIP SWITCH SETTING
(1) DIP SWITCH
Pin No.FunctionONOFFFactory Setting
DS1-1Auto CutterEnableDisableOFF
2CR SelectionLF EnableLF DisableON
3Print DensityCombination with (2)-J6 (See below)OFF
4DTR/XON-XOFFXON-XOFFDTR/DSROFF
5Baud RateOFF
6"See below (3)OFF
7"OFF
8"OFF
(2) JUMPER
No.FunctionShortOpenFactorySetting
J1International Char acter setOpen (Short circuit)
J2"See below (4)Open (Short circuit)
J3"Open (Short circuit)
J4Paper Auto LoadingEnableDisableShort circuit
J5Prin t Drive SystemVariable divisionFixed divisionShort circuit
J6Print DensityCombination with DS1-3Short circuit
Ordinal Voltage is to be 7.2V(Max). 8.5V is a voltage that is right after charging.
8.5V cannot be used for ordinal voltage.
5.2 Precautions
(1) Design the product to supply power to Vdd before VH When power is suppliedto 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.
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6. PARALLEL INTERFACE
6.1 Specifications
Data input me thod : 8 bit parallel signal (DATA0~7)
Control signals: ACK, BUSY, STB, FAULT, PE, RESET
6.2 Explanation of Input /Output Signals
DATA0~7: 8 bit parallel signal (Positive logic)
STB: Strobe signal to read8 bitdata (Negative logic)
RESET: Signal to reset control board (Negative logic)
BD2-2860 User’s Manual
ACK: 8 bitdata request signal. Pulse signal output at the endofthe BUSY signal
(Negative logic)
BUSY: Signal to indicate BUSY state of the printer, Input new data for "LOW"
(Positive logic)
FAULT: Signal which is made "LOW" when printer is in alarm state.(Negative logic)
PE: Signal which is output when paper runs out.(Positive logic)
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6.3 Electrical characteristics
(1) Input Signal Level
"HIGH" level: 0.7Vdd MIN
"LOW" level: 0.3Vdd MAX
(2) Output Signal Level
BD2-2860 User’s Manual
"HIGH" level: Vdd
"LOW" level:0.1V MAX
(3) I/O Conditions
STB, RESET input signals are pulled up by 47K
Other input signals are pulled up by 50K
<Printer side><Host side>
All the output signals are pulled up by 50K
–
0.1V MIN
Ω
Ω
.
Ω
.
.
<Printer side><Host side>
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6.4 Timing chart
(1) Data Input and Printing Timing
Supply
BD2-2860 User’s Manual
T1, T2, T3: 0.5
T4: 270 ns (MAX)
T5: 2.3
T6: 500 ms (MIN) *On supplying power
µ
s(MIN)
µ
s(TYP)
6.5 Data receiving control
When BUSY signal is "LOW", data from the host can be received. When it being "HIGH", data
cannot be received.
6.6 Buffering
This control board incorporates 2K byte buffer.
Therefore, big data can be buffered in inputbuffer, and the hostside can bereleased immediately.
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7. SERIAL INTERFACE
7.1 Specifications
(1) Data transfer system: Asynchronous
(2) Baud rates
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
BD2-2860 User’s Manual
• Mark=logic " 1" (
• Space=logic " 0" (+3V ~ +12V)
–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
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7.2 Explanation of Input / Output signals
(1) RXD
Serial receiving data signal. Onoccurrence of f raming error, overrun error, or parity error, the data is
printedas "?".
(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, whilein data reception, the rest of input buff eron 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,
BD2-2860 User’s Manual
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.
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7.3 Date configuration
Mark
(1) Start bit
(2) Data bit (+ Parity bit)
(3) Stop bit ( 1 or more )
BD2-2860 User’s Manual
b1,b2,b3 ····
(1)(2)(3)Space
(1) Start Bit
In 1/2 bit from the m ark-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 carriedout onceagain.
(2) Data Bit + Parity Bit
Data bit and parity bit are sampledat 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,
framingerror takes place.
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BD2-2860 User’s Manual
7.4 Error Detection
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 paritycheck, 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 "?".
7.5 Data receiving control
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.
7.6 Buffering
Data transfer to the input buffer include DTR signals and TD signals as the control signals concerned.
(1) DTR signals (See the page 20
(2) TXD signals (See the page 20
–
7.2(2))
–
7.2(3))
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7.7 Electrical characteristics
(
p
(1) RS-232C Circuit
Input (RXD, DSR)
<Printer side><Host side>
Mark=
RXD
Equivalent MAX232
Output (DTR, TXD)
-8V):Stopbit
ace=(+8V): Start bit
S
BD2-2860 User’s Manual
DTR
Equivalent MAX232
Mark=(-8V): At BusyMark=(-8V): 1
Space=(+8V):At ReadySpace=(+8V): 0
TD
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BD2-2860 User’s Manual
8. ERROR HANDLING
8.1 Peripheral Circuit Errors
These errors are detected at power-on or initialization just after a reset.
(1) Error Types
ErrorDescription
Memory errorThe CPU made a self-diagnosis of the circuit and detected an error with the external
RAM.
Cutter errorWith the auto cutter enabled at the function selection terminal (DS1-1), the auto
cutter (ACS-220-5V) is not connected to the cutter connector (CN4).
(2) External signal outputs
Interface Connector (CN3)
Pin No.Signal NameRemarks
20ERRORLED output. For a blinking pattern, see 8.3 Error Indication.
22DTRSerial interface
27BUSYParallel interface
38FAULTParallel interface
(3) Resetting me thods
ErrorResettingMethod
Memory errorUnrecoverable
Cutter errorAfter turningoff the power, connect the auto cutter (ACS-220-5V) or turnoff the
function selection terminal (DS1-1) and turn on the power again.
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BD2-2860 User’s Manual
8.2 Operation Errors
(1)Error types
ErrorDescription
No paperThe printing paper set is not set
Head –upThe head-up lever is at its up position
VH voltage errorA VHvoltage is beyond its allowable range (4.2 to 8.5V)
Headtemperature errorA headtemperature is less than 0°Cor 65°C or higher.
Cutter lock
(ACS-220-5V)
Note 1) The 8.5V upper-limit voltage for VH voltage error is only an assumptive voltage just after charging the
battery when usingthe battery power. It cannot be normallyused.A normalmaximum voltage is 7.2V.
(2) External signal outputs
Interface Connector (CN3)
Pin No.Signal NameRemarks
20ERRORLED output. For a blinking (Lighting) pattern, see 8.3 Error Indication.
When driving the cutter, the cutter is locked due to an external factor (Paper jam,
etc.).
21PE OUTLED output. This is always output at the time of no paper.
22DTRSerial interface
27BUSYParallel interface
37PEParallel interface
38FAULTParallel interface
(3) Resetting methods
ErrorResettingMethod
No paperSet the paper. See Note 1.
Head –upBring down the head-up lever.
VH voltage errorSet toavoltage 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).
Headtemperature errorAt 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°Cor lower.
Cutter lock
(ACS-220-5V)
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 normalmaximum voltage is 7.2V.
Eliminate paper jam and activate the Pin19(LFSW) of the CN3(Interface
Connector) or turn on the power again.
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