Northwich, Cheshire, England www.able-systems.com USERS' GUIDE ABLE SY

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Northwich, Cheshire, England www.able-systems.com USERS' GUIDE ABLE SY

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Able Systems Limited
Northwich, Cheshire, England www.able-systems.com USERS' GUIDE ABLE SYSTEMS A104B Printer Controller Board
Contents Appendices Introduction On-line Information Connections Installation Operation Programming Disclaimer, Layout Schematic
This document Users' Guide, written person designing-in, connecting using Able Systems A104B printer controller board EPSON M-160 series 4-needle mini-printer mechanisms. Please read carefully before making connection. A104B enhanced replacement A160B series controller boards, shares many features range. Every effort been made simplify transition existing customers, necessity some connections slightly different. Throughout this document, designation A160B generally taken represent A150B, A160B, A163B, A164B, national variants these products.
On-Line Information
Able Systems maintains site World Wide Web. This includes application data updates, product announcements, e-mail facilities customer support. site e-mail address http://www.able-systems.com contact@able-systems.com
COPYRIGHT NOTICE DISCLAIMER Note that copyright subsists Able Systems intellectual property, including controller firmware (embedded software) circuit diagrams, connection lists application data. warranty respect patent rights Able Systems Limited third parties given. Unauthorised reproduction amendment controller firmware result prosecution. Note: EPSON registered mark owner Seiko Epson Corporation. References this other owners' marks this document illustrative purposes only.
Copyright Able Systems Limited 1999 Rights Reserved
A104B_user_guide.lwp//01/02/00, 17:40//IKE/AGW
A104B Users' Guide Page
Connections
A104B three external connectors connection areas, data power, auxiliary power, printer mechanism. locations these connectors, overall outline fixing positions, designed identical those A160B. There also some onboard jumpers. Please refer layout diagram connector locations orientation. Data/Power Connector Function (S/P Select Data Input (Baud Select) Data Input (Baud Select) Data Input Data Input Data Input Data Input Data Input Data Input Auxiliary Power Connector These connections parallel with those provided cases which user prefers separate data power connectors, would recommend. Function Power logic (+5V) Power mechanism (+5V) Ground (0V) Function Busy output (high when busy) Inverted Mode Select Input (low inverted) Ground (0V) Ground (0V) Power mechanism (+5V) Power logic (+5V) Reset Input (low reset) Serial Data Parallel Data Strobe Input
Paper Take-up Motor Connector (only fitted customer order) Function Ground (0V) Paper Take-up Motor
output from parallel with mechanism motor drive, with protective series resistance about Ohms. Please consult factory before making connection. Mechanism Connector A104B normally supplied without connector fitted, with flat 0.1" pitch jumper cable. Function Reed switch input Reed switch return (0V) Motor return (0V) Motor drive output Solenoid common return (0V) Solenoid output Solenoid output Solenoid output Solenoid output Tacho bias Tacho input
A104B Users' Guide Page
Installation
Power Supply clean power supply required power A104B. rise time supply must short enough give valid reset signal controller chip. recommended that power supply controller circuits separate from supply mechanism motor solenoid circuits, minimise interference. event that power supply adequate power A104B, board circuitry will hold printer reset avoid damage which occur printer mechanism. Parallel Serial Interface Selection Serial parallel data modes selected using (pin J3): Parallel mode selected held (connected period 100µs after printer reset. Serial mode selected held high left unconnected (internal pull-up +5V) period 100µs after printer reset. "classic" mode, parallel interface selected having (logic "0") power some parallel applications port driving this indeterminate power alternative parallel select provided (jumpers S6). either serial/parallel select pins held ground start then parallel mode selected. Both pins must left high select serial data. order change from serial parallel, from parallel serial, printer must reset. Serial data Baud rates selected when printer serial mode. Serial data Baud rates: Baud 1,200 2,400 9,600 Note that combination 9600 Baud used select Baud A160B family controller boards. order implement baud rate printer must reset. Jumpers There three jumpers A104B (refer layout position). Closing these jumpers will select following: Self test Inverted printing Alternative parallel (Classic/New Mode) select. Compliance component, A104B outside scope Directive user must take responsibility compliance complete equipment installation. Please refer disclaimer Appendix.
Operation Programming
Mechanism selection four-needle EPSON mini-printer mechanisms (M150, M160, M163, M164 M170) supported single A104B device. A104B exercises mechanism first power-up, type sensed counting tacho pulses head cycle. result stored EEPROM,
A104B Users' Guide Page
subsequent power-ups mechanism identity read from there. EEPROM fitted, chip will carry mechanism selection test every power-up. N.B. mechanism changed, ESC,<125> command used force re-detection.
A104B Users' Guide Page
Parallel Data Mode data connections parallel mode data. using backwards compatible character sets (A160C family) data connections. Positive true ASCII codes accepted CMOS levels. data inputs latched must static during handshake sequence. Data Strobe input times incoming data transfer. When printer busy (the busy signal low) data must held static data pins strobe signal taken until busy signal goes high acknowledge data transfer. data strobe must then taken high ready transmit next byte. Figure shows typical connections parallel port.
Printer Busy Invert Mech Reset Strobe
Parallel Port Busy Paper
Error Strobe
Fig. Parallel Connection Serial Data Mode serial data input accepts CMOS positive true signal. busy signal will when printer ready accept data. A104B suitable direct connection RS232 COM: port. (Please refer converter board, alternatively Able Systems produce Ap25S which serial RS232 version Ap25 suitable direct connection PC.) Figure shows typical connections serial COM: port Ap25.
Printer Busy Invert Mech Reset Serial Data
Serial Com. Port Baud Rate Select Baud Rate Select D-Type Busy
RS232 Converter
RS232 Converter
RS232 Serial Data Transmit
Fig. Serial Connection A104B Users' Guide Page
Busy Output Signal controller asserts Busy output when input buffer character away from being full. following character will, however, loaded into input buffer. This avoids data being lost host responding busy signal immediately (such with double-buffered UART PC). Printing modes data buffer Character printing modes include graphics, inverted, double height double width. Graphics mode cancelled every line, whereas combinations double height width remain force until cancelled command. A104B will print data before ESCape code then implement mode selection. data buffer accommodates bytes, which extend over many physical print lines, depending mechanism data format; data entering buffer previous data being printed. Character Printing A104B prints characters from left right. characters into wide high matrix. standard letter wide high, this provides space between each character, line descenders line above below each character line. number characters required fill line varies according printer mechanism. Mech. M-150 M-160 M-163 M-164 M-170 Characters line characters line characters line characters line characters line characters line Character lines second line/second lines/second lines/second lines/second lines/second Vertical pitch 0.35mm 0.33mm 0.33mm 0.33mm 0.33mm Horizontal pitch 0.35mm 0.33mm 0.25mm 0.20mm 0.25mm Paper width 44.5mm 57.5mm 57.5mm 57.5mm 69.5mm
ASCII characters using backwards compatible character set) printable range. character below character ignored unless control codes (section 5.8). Graphics Printing product programmed take advantage graphics printing capability mechanisms. Graphics received least significant bits each byte. same number graphics bytes required terminate line number characters required print complete line. graphics mode reset every line hence graphics command, <ESC><02>, must entered start every line. Graphics patterns built succession lines across paper. Large areas solid dots recommended they cause over heating shorten ribbon life. Heavy graphics printing also require higher current power supply. typical graphics line A104B would Control code <ESC><02> Data bytes M-160 printer mechanism) <00><00><01><02><03><04><05> etc.
A104B Users' Guide Page
Control Codes character sets which selected backwards compatibility. default character 224-character set. Previous versions A160B family have been supplied programmed with character sets, French, German, "Scandinavian", Danish/Norwegian, Swedish, Japanese Spanish character variations (often special order). A104B contains these variants, which software selected backwards compatibility. data selected when using character set, otherwise data ignored. structure command follows: <ESC><127><n> where byte form [X,X,X,X,B3,B2,B1,B0] don't care) Country selection: Character Full (default) French German Scandinavian Danish Swedish Japanese Spanish
ESC><n> buffer empty, print buffer contents and) print mode. Note: byte form 0,0,0,0,B3,B2,B1,B0] (all except lower bits must zero, avoid conflict with other ESCape codes). Mode selection: Print Mode Default Inverted (reversed) Graphics mode Double width mode Double height mode combination modes permissible. command <ESC><126> stores current character print mode (double height, etc.) EEPROM these will default setting next time printer powered reset. this code received A104B reverts previous default values next power <ESC><ESC> <ESC><127><n> <ESC><126> (Print buffer contents, and) Print Self test message. (Print buffer contents, and) Select country character set. (Print buffer contents, and) Store country character print mode EEPROM. (Print buffer contents, and) Clear EEPROM. Print buffer contents (line terminator). Treat <CR><LF>. Print buffer contents (line terminator). Treat <CR><LF>. Print buffer contents (line terminator). Treat single <CR><LF>. A104B Users' Guide Page
<ESC><125> <CR> <LF> <CR><LF>
<LF><CR>
Print buffer contents (line terminator). Treat single <CR><LF>.
character line automatically terminated printed reaches full line width given mechanism print mode setting. Note that above line terminator codes received immediately after character which completes printable line, will ignored. This treatment differs from A160B family will generally improvement. <VTAB> Print buffer contents, feed lines.
print quality deteriorates lines being displaced, EEPROM cleared chip forced repeat first-time initialisation sending code <ESC><125>.
Appendices
Following page: Next page: Final page: Directive 89/336/EC Disclaimer A104B Component Layout (Drawing Number: L4984203-3) A104B Schematic Diagram (Drawing Number: S3990301-4)
A104B Users' Guide Page
Directive 89/336/EC (Disclaimer)
Please note that item which enclosed application data refer designed used component another finished good, intended placed market brought into service independently. system integrator using this item must assume responsibility Electro-Magnetic Compatibility (EMC) between this item environment, both emissions immunity/susceptibility. Particular attention should paid wiring connections between item power supply, data source other parts user's system case special shielding and/or cable layout required meet applicable criteria. A104B Series Printer Controller Boards assist customers, have carried traceable pre-compliance tests most popular Ap24 printer, which indicate that printer itself unlikely prevent compliance customer's equipment, follows: Since A104B powered will only electrically connected within equipment, conducted emissions immunity relevant, consider that A104B falls outside scope Regulations these regards. When fitted earthed steel case connected internal data source power supply, A104B expected comply with requirements Directive respect radiated emissions immunity; When fitted with earthing wire mechanism, A104B also expected comply with requirements respect electrostatic discharge (ESD).
A104B Users' Guide Page
A104B Users' Guide Page

Northwich, Cheshire, England www.able-systems.com USERS' GUIDE ABLE SY

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