Model 231 User Manual
Contents
1. x 105 d mm Stalk dimensions 50 w x 100 h x 25 d mm Display housing 280 w x 95 h x 34 d mm Weight 1 4 kg Colour Beige Display Characters 1 line x 20 2 lines x 40 characters characters Character size 6 x 9mm 3 x 5mm Font 5 x 7 dot matrix 600mA 800mA Interface Serial RS232C or parallel 18 Model 231 232 User Manual 7 Ordering information and Accessories Part Model No Description Number Displays 9 0231 101 6 M231 SM M231 1 x 20 display serial interface 9 0231 201 2 M231 PM M231 1 x 20 display parallel interface 9 0232 101 1 M232 SM M232 2 x 40 display serial interface 9 0232 201 7 M232 PM M232 2 x 40 display parallel interface Cables and Accessories 2 5205 020 7 CA210 2 Serial cable D9 socket 2 metres 2 5281 020 9 CA281 2 Serial cable D25 socket 2 metres 2 5213 020 1 CA213 2 Serial to UMD M125 ID cash drawer 2 5139 020 6 CA139 2 Parallel cable 2 metres 1 6000 206 3 PP9D1000 D Plug pack 9V 1A Documentation 6 0231 992 2 DOC M231 PD Product Description 6 0231 993 0 DOC M231 UM User manual this document 19 First Choice of Professional Systems Integrators Q M A O2. 2000 characters These may then be replayed at power up when the system is idle or when called by the software The M231 and M232 are available with either serial RS232C or parallel interfaces They are ideal for connection directly to a PC port the UMD M125ID intelligent cash drawers with the display option or any of the UMD ProtoLink family of products Power is provided from an external 9V DC plug pack which is supplied with the unit Model M231 User Manual 2 Connector Details There are 2 connectors on the M23x displays These are for power and interface connection and are at the rear of the display s base Power connector Interface Connector Reset Location of connectors 2 1 Power interface connector The display may be powered from either a 9V DC unregulated or a 5V DC regulated power source When a 9V supply is used the display provides a 5V DC regulated output on pin 4 The 9V plug pack is supplied as standard The power connector is a 270 6 pin DIN socket configured as per diagram below Ground Unreg 9V DC reserved 5V DC regulated out 7 As viewed from rear of 5v DC regulated in display reserved 2 2 Reset button The reset button physically resets the microprocessor forcing the controller to perform a power up sequence It will not clear the stored carousel messages 4 Model 231 232 User Manual 2 3 Interface connection Th
3. gt 3E Hex 62 Dec lt LF gt ignore mode In this mode the display will ignore any Line Feed command This is the default setting for the M231 display Refer to the control code section Page 8 of this manual for more detailed information 2 3F Hex 63 Dec lt LF gt Valid mode In this mode all Line Feed commands are performed This is the default setting for the M232 display Refer to the control code section Page 9 of this manual for more detailed information 40 Hex 64 Dec Enable XON XOFF serial protocol Enables XON XOFF software handshaking Serial interface displays only A 41 Hex 65 Dec Disable XON XOFF serial protocol Disables XON XOFF software handshaking Serial interface displays only 12 Model 231 232 User Manual N 4E Hex 78 Dec Store carousel message 0 This code tells the processor that all following data is to be stored in carousel message area 0 Any previous messages stored in area 0 will be deleted Data will be directed to this area until one of the End Store Carousel Message commands is sent ie lt DLE gt 0 4 5 6 R or r Message areas hold a maximum of 256 characters If the data sent to a message area exceeds 256 characters they will over run into the next message area O 4F Hex 79 Dec Display carousel message 0 on power up It is possible to have the contents of message area O displayed when the display is first turned on Th
4. 31 User Manual 3 2 lt DLE gt Command Codes Function Pass single lt DLE gt to seleted destination Output data to display default device Ends store message command Output data to the display Ends store message command Ends store message command Ends store message command lt LF gt Ignore mode default for M231 lt LF gt Valid mode default for M232 Enable XON XOFF protocol default Enable XON XOFF protocol Store carousel message 0 Disable display message 0 on power up Enable display message 0 on power up Display carousel message 0 Ends store message command Interchange delay of ab cd seconds Delay ab cd seconds Position cursor at column ab line cd Store carousel message number a 6699 Display carousel message number a Model 231 232 User Manual lt DLE gt Commands These are primarily used to program the carousel display messages The display s internal microcomputer checks the data for escape sequences The escape character used by the display is the ASCII Data Link Escape lt DLE gt control code character hex 10 decimal 16 lt DLE gt 10 Hex 16 Dec Pass single lt DLE gt to selected destination This is the escape character which tells the internal processor the next sequence of data is a command and is therefore not passed onto be displayed The lt DLE gt command must preceed all
5. Unique Micro Design Advanced Thinking Products Model 231 amp 232 Customer Displays User Manual Document Reference DOC M231 UM UMD Part Number 6 0231 993 0 Issue 1 Revision 7 08 95 First Choice of Professional Systems Integrators Revision History Date Issue Comments 07 08 95 First issue in new format Model 231 232 User Manual 1 Introduction This manual provides basic information about connecting and programming the Unique Micro Design Model 231 and Model 232 customer displays The Unique Micro Design Model M231 and Model M232 customer displays are attractive vacuum fluorescent units designed for all Point of Service applications The M231 feature a single line display of 20 characters making it ideal for displaying item prices at a check out The M232 features 2 lines of 40 characters for applications where the customer requires more detailed information A feature of both displays is a stand alone carousel message mode In this mode messages may be stored in non volatile memory to be played back on call or when the system is idle This is excellent for promotional and advertising messages The stand alone carousel message mode allows up to 8 separate messages to be stored in non volatile memory These messages may be up to 256 characters each or longer text may flow to the next message area In this way it is possible to produce message sizes up to a single message of about
6. e interface connector is a DB25 socket as pictured below Caution As both serial and parallel versions of the display use a DB25 connector ensure a serial cable is used with the M23x SM and a parallel cable for the M23x PM Tonnen J Interface connector on rear of display base 2 4 RS232 Interface The serial connection is only available on the M231 SM and M232 SM model displays Description TxD data out RxD data in RTS tied to 10V DC CTS Signal ground Data sync mode TTL level Clock sync mode TTL level DTR DB25 female Serial Connections Serial cable CA205 D9 to display D9F D25M TxD 2 3 CTS 5 20 DSR 6 SG 1 7 Model M231 User Manual 2 5 Parallel interface The parallel connection is only available on the M231 PM and M232 PM model displays The UMD cable CA139 shown below details the pin outs required PC parallel interface DB25M M23x PM parallel interface DB25M Pin Pin 1 Strobe 1 2 Data 0 2 3 Data 1 3 4 Data 2 4 5 Data 3 5 6 Data 4 6 7 Data 5 7 g Data 6 g 9 Data 7 9 10 Acknowledge 10 nF 12 Paper end tied low 12 13 Select tied high 13 14 Autofeed 14 15 Error tied high 15 16 Initialise 16 17 Select input 17 18 Ground 18 19 Ground 19 20 Ground 20 21 Ground 21 22 Ground 22 23 Ground 23 24 Ground 24 25 Ground 25 Model 231 232 User Manual 3 Programmin
7. en storing a carousel message the first data be sent to the display should be a Store carousel message command either lt DLE gt N store carousel message 0 or lt DLE gt n a store carousel message in area a After the display receives this command all subsequent data will be stored in the specified message area until one of the end store message commands is received It will also clear any information currently stored in that message area Commands which are not required to be executed immediately eg lt DLE gt R lt DLE gt T abcd and others which are only to be executed when the message is played back must be embeded into the message with the use of 2 lt DLE gt commands eg To embed a delay of 2 5 seconds into a carousel message the format would be lt DLE gt lt DLE gt T0250 To endlessly repeat a message a lt DLE gt lt DLE gt R or lt DLE gt lt DLE gt ra command would be added to the end of a message In this situation when the message reaches the end the embeded command will tell the display to display the message again 16 Model 231 232 User Manual 5 4 Displaying carousel messages Carousel messages may be displayed on power up or when called by the host system Message area 0 may be displayed at power up by adding the command lt DLE gt 0 at the end of the message before the end store message command Any message area may be displayed with the use of the disp
8. g The customer displays accept ASCH characters from their input port The on board microprocessor interprets control codes and UMD standard lt DLE gt commands and performs the required functions All other ASCII characters are passed on to be displayed 3 1 Control Codes These control the movement of the cursor and allow for the selection of 2 different display modes The Model 231 and Model 232 customer displays respond differently within these 2 modes M231 display modes Function Horizontal scroll mode When the cursor reaches the last position all characters are shifted to the left with the new character displayed in the last position Auto carriage return mode When the cursor reaches the last position it is repositioned to the first position without performing a line feed ie doesn t clear the display Model M231 User Manual M231 Control Codes Function The cursor moves 1 position to the left without deleting the existing character The cursor moves 1 position to the right without deleting the existing character When in lt LF gt Valid mode All characters are cleared while the cursor position remains unchanged When in lt LF gt Ignore mode no effect control code is ignored Clears the display and cursor returns to the home position Moves cursor to the home position does not clear display M232 Display Modes Function Scroll mode After all pos
9. is command disables this feature Q 51 Hex 81 Dec Enable display carousel message 0 on power up When the display is turned on it will after initial self diagnostics display the carousel message 0 R 52 Hex 82 Dec Display carousel message 0 This command will display the contents of carousel message area 0 It will also end the store carousel message comands S abcd 53 Hex 83 Dec Interchange delay This command sets the delay time before each individual character is sent to the display Delay times are in the order of ab cd seconds where abcd are ASCII digits in a range of 0 to 9 eg lt DLE gt S 1900 means a delay of 19 00 seconds between the display of each character This command is cancelled by specifying a delay of 00 00 secs eg lt DLE gt S 0000 Note As the processor will normally execute lt DLE gt commands immediately it is necessary to embed them in a message with the 13 Model M231 User Manual use of a second lt DLE gt In this way the delay will only take affect at the correct point in the message eg lt DLE gt lt DLE gt S1900 T abcd 54 Hex 84 Dec Delay ab cd seconds This command sets a delay time before the next character is sent to the display or the next command is processed Delay times are in the order of ab cd seconds where abcd are ASCII digits in a range of 0 to 9 eg lt DLE gt T 1500 means a delay of 15 00 seconds before
10. itions on the bottom line are written the bottom line scrolls up to replace the top line and clears the bottom line The cursor is postitoined to the first position on the bottom line Normal Mode When the cursor reaches the end of the second line the cursor repositions to the first position of the top line The display is not cleared subsequent characters over write the existing displayed characters Model 231 232 User Manual M232 Control Codes Function The cursor moves 1 position to the left without deleting the existing character The cursor moves 1 position to the right without deleting the existing character When in Normal mode The cursor is moved to the same position on the other line When in Scroll mode When the cursor is on the bottom line all characters are shifted to the top line the bottomline is cleared with the cursor remaining in the same position When the cursor is on the top line the cursor simply moves down to the same position on the bottom line over writes display does not clear the display When in lt LF gt ignore mode no effect the control code is ignored Clears the display and cursor returns to the home position ie position 1 top line Moves cursor to the home position does not clear display Note lt LF gt Ignore and lt LF gt Valid modes are selected by lt DLE gt commands as described in the next section Model M2
11. lay message command lt DLE gt ra where a represents the message area number to be displayed Message area 0 may also be displayed with the use of lt DLE gt R display message area 0 command The display of a carousel message is ended whenever the display receives characters from its input port This means if a carousel messaging is taking place it is recomended a lt FF gt be sent at the start of a message to clear the display of any carousel message information 5 5 General Rules for Programming Carousel Mesages When writing messages the order of lt DLE gt commands is critical to the correct operation of the carousel message If a message doesn t display as expected try rearranging commands e Begin with the Store message command e Embed lt DLE gt commands within a message using 2 lt DLE gt commands e To repeat the message continually until data is sent to the display embed a lt DLE gt R or lt DLE gt ra at the end of the message before the End store carousel message command e Use an End stored message command after all text is entered lt DLE gt 0 or lt DLE gt 4 are ideal as they also direct the message to be output to the display e To display message 0 on power up place a lt DLE gt Q after End store message command 17 Model M231 User Manual 6 Specifications Physical Overall dimensions 280 w x 233 h x 105 d mm Base dimensions 180 w x 38 h
12. ll mode e lt LF gt valid mode e XON XOFF protocol enabled serial interface displays only e display carousel message 0 on power up disabled 5 Carousel Messages With the carousel message mode of operation messages can be stored in non volatile memory for later play back Any messages stored will be retained permanently until over written even when the display is turned off This facility is useful for displaying promotinal information during non active periods 5 1 Message areas The carousel message memory is divided into 8 areas numbered 0 to 7 Each seperate area can hold up to 256 characters Messages longer than 256 characters can be stored by one of two methods e by imbedding display message number a commands within a message 15 Model M231 User Manual or e by over running a message into an adjacent area This is done automatically if the mesage size is larger than 256 characters When a message over runs into an adjacent area the number for the next message area is still sequential ie if a large message is stored in message are 0 the next message area is still 1 5 2 Clearing a carousel message area Sending a store carousel message command to the display will clear the contents of that message area eg To clear message area number 1 send lt DLE gt n1 lt DLE gt 0 lt DLE gt 0 is used as an end store carousel message command 5 3 Storing carousel messages Wh
13. the commands in this section eg To display carousel message 0 the ASCII command would be lt DLE gt 4 lt DLE gt R This example first tells the processor to send all output to the display lt DLE gt 4 then to output carousel message 0 lt DLE gt R 0 30 Hex 48 Dec Output data to display It is necessary to tell the processor where to send the data This command directs the data to the default device which is in this case is the display It is not necessary to use this command each time data is sent to the display Once the processor is told to send data to the display all subsequent data will be directed to the display until redirected by another command This command will also terminate the Store carousel message comands lt DLE gt N amp lt DLE gt n a 11 Model M231 User Manual 4 34 Hex 52 Dec Output data to the display This command as with lt DLE gt 0 directs all data to the display whether it is the default device or not This command will also terminate the Store carousel message comands lt DLE gt N amp lt DLE gt n a 5 35 Hex 53 Dec End store carousel message command This command will terminate the Store carousel message commands lt DLE gt N amp lt DLE gt n a 6 36 Hex 54 Dec End store carousel message command This command will terminate the Store carousel message comands lt DLE gt N amp lt DLE gt n a
14. the next character is displayed Note As the processor will normally execute lt DLE gt commands immediately it is necessary to embed them in a message with the use of a second lt DLE gt In this way the delay will only take affect at the correct point in the message eg lt DLE gt lt DLE gt T1500 X abcd 58 Hex 86 Dec Position cursor The cursor may be moved to any position with this command abcd is the location where ab represents the column number and cd the line number 0000 represents the home position abcd are ASCII value from 0 to 9 n a 6e Hex 110 Dec Store carousel message no a Use this command to store a message in any of the 8 message areas where a is an ASCII character from 0 to 7 All subsequent data is stored in the chosen message area Previously stored data is cleared r a 72 Hex 114 Dec Display carousel message no a This command is used to display a stored carousel message where a is an ASCII digit from 0 to 7 It also ends the store carousel message command 14 Model 231 232 User Manual 4 Default Modes On power up or when the display is reset the customer display reverts to the following default settings M231 defaults e horizontal scroll mode e lt LF gt ignore mode e XON XOFF protocol enabled serial interface displays only e display carousel message 0 on power up disabled M232 defaults e scro
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