Model 331 User Manual
Contents
1. 6 4 Reset and Default Buttons The reset button physically resets the microcontroller forcing it to perform a power up sequence The default button is used to return the non volatile configuration memory back to the default settings To use this facility the default button is held whilst pressing the reset button Upon reset the controller module will issue three rapid beeps to indicate that the defaults have been set NOTE If any changes have been made to the programming of the Model 331 these will be lost when the reset to defaults sequence above is used Default Switch 12 25 Gnd 4 Reset Switch 13 i Wiring two normally open switches for default and reset 14 Model 331 User Manual Advanced Thinking Products 7 Ordering information and Accessories Model Number Description M331 LCD Terminal Multi function D25 output K331 100 M331 S00 No Lexan sheet Customisation Service Laminated self adhesive overlay sheets Graphic set up once only cost Item price per sheet option Cx Mag card reader single track x 1 2 or 3 option Cy Mag card reader two track y 1 amp 2 28 amp 3 Cables and accessories Options Cable kit inc plug pack 2 x serial cables PP6D1000 E Plug pack for serial mode only Documentation DOC M331 PD Product description M264 programming kit DOC M331 UM M331 user manual DOC AN 122 Product overvi2. of other modules to the core controller The UMD Model 301 Controller Module has extensive programmable capabilities which are not discussed in this manual contact Technical Support at Unique Micro Design for further information Advanced Thinking Products Model 331 User 2 Custom Desk Top LCD Terminal Features Custom Desk Top LCD Terminals are packaged in a wedge shaped plastic housing The Model 331 has flexible interfacing options incorporating dual RS232 serial AT keyboard interface magnetic card reader interface and bar code decoder Power is sourced externally from either a 5 Volt regulated or 7 9 Volt unregulated supply The Model 331 features a 4 x 5 programmable keypad and 5 programmable LED indicators Each key is programmable to return user defined codes by downloading a text file via the keyboard or serial port with details being permanently saved There are no configuration switches to be tampered with The backlit liquid crystal display LCD has 2 lines of 16 characters The keypad uses low travel mechanical keys which are sealed with a polycarbonate overlay This overlay is required to be preprinted As standard all interfacing is achieved through a single DB25 socket connector however we can easily accommodate various connectors or cables to suit you application Model 331 User Manual Advanced Thinking Products Used in serial mode a plug pack provides power to the unit Any key depression or
3. shows the connection details for an unregulated plug pack Plug Pack M331 DB25 Connection Volts 1 Volts unregulated in Gnd 14 Ground 2 5 regulated out L 3 5V DC 11 Advanced Thinking Products Model 331 User 6 3 Computer and External Keyboard Interface A standard PC keyboard may optionally be connected to the external keyboard interface Connection can also be made to the M331 from the keyboard port of a computer when connected this can supply power removing the need for a plug pack Description Clock Data Reset Ground 5 Volt DC Keyboard interface 5 pin 180 degree DIN socket Front view of 5 pin DIN socket 12 Model 331 User Manual Advanced Thinking Products The table below shows the connection details to connect the M331 interface to a socket for a keyboard Using UMD cable CA202 a 5 pin DIN plug to 5 pin DIN plug the M331 can be connected to the keyboard port of a computer derive power and look like a keyboard If power is connected in this way remove jumper from pins 2 and 3 on interface connector Pn Lot Descipton f Pin 1 W331 D525 Comecton Clock Computer Clock Data Computer Data Reset N C Ground Ground 5V DC 5V DC Clock Keyboard Clock Data Keyboard Data Reset N C Ground Ground 5V DC 5V DC Connection details to connect a computer keyboard to the M331 13 Advanced Thinking Products Model 331 User
4. Unique Micro Design Advanced Thinking Products Model M331 Custom Desk Top LCD Terminal User Manual Document Reference DOC M331 UM UMD Part Number 6 0331 993 3 Issue 1 Revision 31 05 95 Technologists amp Suppliers to Professional Systems Integrators Revision History Date Issue Comments 31 05 95 First Issue Model 331 User Manual Advanced Thinking Products 1 Introduction This manual provides basic information about connecting to the Unique Micro Design Model 331 Custom Desk Top LCD Terminal a member of the UMD ProtoLink Architecture family of products The Model 331 is based on the UMD Model 301 Controller Module which is also used internally in other products such as custom keyboards multi in out wedges peripheral controllers and custom VGA terminals In essence the UMD ProtoLink Architecture is a versatile product development system The architecture specifies the following e standard definitions for configuration parameters that can be consistently used across a broad range of products e standard command set and peripheral control philosophy e standard set of hardware facilities which includes non volatile memory to hold configuration parameters a peripheral interface bus serial ports which provide power for scanners and bar code wand display external keyboard keyboard wedge and magnetic card reader interfaces e peripheral interface bus that allows the addition
5. aracter moves the cursor one position to the left Any character located in the new cursor position is deleted If the cursor is already located at the far left hand margin the display ignores this instruction LF Line Feed The LF control character sets the cursor to the next row in the same column position If the cursor is currently on the second row that line of data is shifted up to the first row deleting any data on the first row CR Carriage Return When the CR control character is sent the cursor is positioned at the left hand margin of the current row If the cursor is already at the beginning of the row the instruction is ignored FF Form Feed The FF control character clears the screen and sets the cursor to the far left hand margin top row Advanced Thinking Products Model 331 User 5 Connector Detail for M331 DB25S FEMALE V unregulated in 1 O 114 Gnd 5V regulated out 2 Oo 15 45V ole 16 Keyboard Clock Computer Clock 4 O re Computer Data 5 O O Keyboard Data Gnd 6 5 18 Gnd n TxD1 719 O 19 TxD2 por a oO bas a ed O 22 CTS2 CTS1 10 0 5V 11 0 23 5V Default S i h 1210 24 Bar code reader efault Switc Reset Switch 13 O O 25 Gnd Looking at the DB25 socket on the M331 The M331 Interface Connector is a DB25 socket providing connections for power default reset switches and distributes the signals for computer keyboard inputs bar code reader and RS232 serial ports Contact Tec
6. bar code is output on a serial port Any serial input can be directed to the LCD display for operator information The second serial port is available for auxiliary I O eg with a printer or bar code scanner In keyboard mode the Model 331 can connect directly to the keyboard port of a computer which provides the 5 volt power In this mode a further connection to a serial port is required to send information to the LCD display Some options available include low cost bar code wand a variety of bar code scanners magnetic card reader keylock or Touch Memory security A customisation service is provided by Unique Micro Design to meet specialised requirements Advanced Thinking Products Model 331 User 3 Keyboard layout From the factory the keys in the keypad are programmed with their row column grid position that is the key at the top right corner when pushed outputs the string A1 the next key across outputs A2 and so on LED5 LED4 LED3 LED2 LEDI1 M331 4 x 5 Keypad key and LED locations Model 331 User Manual Advanced Thinking Products 4 Liquid Crystal Display LCD The LCD is a backlit 2 line by 16 character display Input to the LCD display is received through the serial ports The display uses simple cursor control consisting of the following Backspace Line Feed Carriage Return Form Feed LCD Cursor Control Codes BS Backspace The BS control ch
7. ew UMD Custom Keyboards DOC TN 107 UMD ProtoLink Architecture 15 Technologists amp Suppliers to Professional Systems Integrators Q M A
8. hnical Support at Unique Micro Design to discuss your cabling requirements Model 331 User Manual Advanced Thinking Products 6 Connection Example The cable that connects to the M331 Interface Connector is wired to suite your application The example shown here provides power using a plug pack and terminates the serial ports to look like RS232 DB9 computer serial ports DB9 Plug Scanner Input Plug Pack DB9 Plug RS232 Input Advanced Thinking Products Model 331 User 6 1 Serial Ports The serial interfaces use RS232 9 volt levels Five volt DC power is also provided on the interface to allow bar code scanners to derive their power from the controller module The default communications parameters are 9600 baud 8 data no parity and one stop bits mo no connection RxD TxD DTR Ground no connection 5 Volts CTS optional auxiliary power CO NIDIA amp GI NO Fe Serial interface as shown in the E Front view of DB9 plug 10 Model 331 User Manual Advanced Thinking Products 6 2 Connecting a Plug Pack to the M331 Interface Connector The M331 can be powered by an unregulated power source of 6 9 volts rated at 1 amp Note when a plug pack is used pins 2 and 3 on the interface connector must be joined The table below
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