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MDB-RS232  Interface  Adapter  for  MDB  Coin  Changer  Bill  Acceptor  and  MDB  card  reader 

                                                      Page 7 of 12                                                                              http://www.waferlife.com 

 

Bill Validator Status 

 

01 

Defective Motor 

02 

Sensor Problem 

03 

Validator    Busy 

04 

ROM Checksum Error 

05 

Validator    Jammed 

06 

Validator was Reset 

07 

Bill Removed 

08 

Cash Box Out of Position 

09 

Unit Disabled 

0A 

Invalid Escrow Request 

0B 

Bill Rejected 

010xxxxxx 

Number of attempts to input a bill while validator is disabled 

14 

Bill not accepted either because the bill type is not enabled in 
the software or the bill was not recognized 

For COIN    ACCEPTOR 

Coins Deposited:    

(Byte1)   

   

(Byte 2) 

01yyxxxx 

 

zzzzzzzz   

yy = Coin Routing 

 

00: Cash Box         
01: Tubes     

   

10: Not Used   
11: Reject   

xxxx = Coin    Type 
zzzzzzzz = The number of coins in the tube for the type accepted. 

 
Coins Dispensed Manually 

 

   

(Byte1)   

   

(Byte 2) 

   

1yyyxxxx 

 

zzzzzzzz   

yyy = The number of coins dispensed   
xxxx = The coin type dispensed   
zzzzzzzz = The number of coins in the tube 

The coin types are:   
                        Type 0 = 5c 

 

Type 2 = 25c  

Type 5 = $2 Can. 

                        Type 1= 10c 

 

Type 4 = $1 Can.   

Note:  The  type  of  the  coin  is  the  same  as  the  bit  that  needs  to  be  set  in  the  ‘mdbCointype’ 
routine in order to enable the acceptance, or distribution of that coin. 

COIN ACCEPTOR 

All values are in hex. 
 

DATA RECEIVED FROM MDB    AND SENT TO THE PC 

 

Below Low Mark 

Above Low Mark  Above High Mark 

Coin Inserted 

 

Summary of Contents for MDB-RS232

Page 1: ...RS232 New Version box type V3 SPECIFICATIONS Communication format Baud rate 9600 Start bit 1 Data bits 8 Parity NO Stop bit 1 PC data Send Hex PC data Receive ASCII Hardware Specification Power Min 2...

Page 2: ...and protocol the only difference is Three LED version will enable the payment device from the start and Five LED version start with disable status for payment device and user need to use the enable co...

Page 3: ...asy for you to order a RS232 USB adapter For MDB RPI board has two serial port to PC and also to Raspberry pi board GPIO Also it will supply the DC5V voltage for Raspberry pi board After connected the...

Page 4: ...09 After sent the data 09 from PC then adapter box will read and send back the coin acceptor setup information 03 11 56 05 01 00 03 01 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 76 For example Bill...

Page 5: ...no bill s For example Send the command 3400030000h Bill s held in Escrow Y3 Y4 001Fh for all US bills held in escrow 0000h for no bill s held in escrow Send out 34h and then the 4 bytes Y1 Y4 to chan...

Page 6: ...09 to PC and also later will keep to send 3009 to PC 30 that means data is from bill acceptor 90 means a TYPE0 bill is accepted and stoped at the Escrow position For different bills maybe 91 or 92 or...

Page 7: ...gnized For COIN ACCEPTOR Coins Deposited Byte1 Byte 2 01yyxxxx zzzzzzzz yy Coin Routing 00 Cash Box 01 Tubes 10 Not Used 11 Reject xxxx Coin Type zzzzzzzz The number of coins in the tube for the type...

Page 8: ...8 92 4B QUARTER 1 08 92 00 08 92 06 08 92 15 Coin Rejected NICKEL 08 70 00 08 70 06 08 70 4C DIME 08 71 00 08 71 08 08 71 6B QUARTER 08 72 00 08 72 06 08 72 4B QUARTER 1 08 72 00 08 72 06 08 72 15 1 C...

Page 9: ...MDB RS232 Interface Adapter for MDB Coin Changer Bill Acceptor and MDB card reader Page 9 of 12 http www waferlife com...

Page 10: ...card reader 1402 Cancel card reader 1300000A0001 REQUEST VEND 1301 VEND CANCEL 13020001 VEND SUCCESS 130500640001 CASH SALE 1304 SESSION COMPLETE 1500 REQUEST REVALUE 1700 REQUEST ID 110001000000 Conf...

Page 11: ...ion And install the driver to create the virtual com port in the main controller 3 If can supply more documents to facilitate the development of applications Answer The MDB box we provide is to forwar...

Page 12: ...erface PC or android main board or popular Raspberry pi board to vending machine and then developer can use some simple command to act as a perfect cashless payment solution We also can order the samp...

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