1PC Hot Sale MDB-RS232 Bill Acceptor Validator Adapter With English Manual

 1PC Hot Sale MDB RS232 Bill Acceptor Validator Adapter With English Manual
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 1PC Hot Sale MDB RS232 Bill Acceptor Validator Adapter With English Manual
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Precio:  US $42.01 / pieza
Precio de venta:  US $39.91 / pieza


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This product has a good high quality. Simple to easy and also tidy to utilize. Review the user overview that you can utilize it ideally. Constantly ask the vendor if you have a user restrictions. This item has an elegant design and make your life comfortable.

1PC Hot Sale MDB-RS232 Bill Acceptor Validator

Adapter With English Manual

Notice :
when the parcel arrived to your customs ,please pay the
tax and pick up the parcel ,we are not responsible for
any customs duty or import tax

if your place is remote ,then need to pay 35usd .

Picture showing:

Features:

This Interface Unit (IU) is designed to convert the MDB Bill Acceptor (BA) and MDB Coin Changer (CC) protocol to RS-232 serial protocol. The IU functions as a slave to a master control system. The master may be any control system that supports RS-232 serial communication, for example a PC.

Operation:

The master and slave communication is based on master requests and slave replies. The master sends a status request (or command) to the IU and IU answers by sending its current status. The IU’s typical response to the Master’s request (polling) consists of a header and data bytes. If there is no BA or CC activity, the status is one byte, the header only. When the IU receives data from the BA or CC, it sends a header followed by data bytes in the response to master’s status request. The master must always poll (query) the IU. If the IU does not receive a query from the master in the predefined time slot or IU does not recognize master messages 10 times in row, it will inhibit the BA and CC acceptance. At power up, acceptance of the BA and CC is inhibited.

What is MDB and Why do I need the MDB-RS232 ?:

MDB stands for “Multi-Drop Bus” and is a protocol developed by vending machine industry. The “Multi-drop Bus” (MDB) protocol is not compatible with the standard RS-232 PC protocol and therefore a hardware and software interface is necessary. The MDB-RS232 is a microprocessor controlled hardware interface with embedded firmware that converts the MDB protocol to an RS232 protocol and also performs the necessary voltage conversion. The MDB-RS232 also relieves the Polling requirements thereby allowing the same PC to perform other tasks.

The MDB-RS232 is necessary to interface the industry standard MDB Vending machine protocol to a standard PC because:
* The MDB uses 11 Bits and a nine (9) bit byte.
* The polling requirements for the various MDB devices are excessive (20-200 ms).
* A non-dedicated PC can not meet the polling requirements.
* The MDB-RS232 takes care of the polling requirements and generates an interrupt on the serial port of the PC.
* This methods allows the PC to perform normal operations and respond to interrupt driven comm events in the UART buffer.
* All data from an MDB device is available to the PC.
* Additionally, all commands can be sent to the MDB device from the PC (ie. dispense, write to smart card etc…)

The MDB-RS232 interfaces any MDB vending device (6-pin molex/5pin MTA) to the PC via the serial port (DB-9). Future support may include Universal Serial Bus. The MDB-RS232 protocol is compatible with standard RS-232 Protocol.

Specifications:

Communication format:
——————————
Baud rate: 9600 BPS
Start bit: 1
Data bits: 8
Parity: NO
Stop bit: 1

Timing Specification:
——————————
Inter-byte (max): 1 ms
Response (max): 50 ms
Master polling times every: 150 – 300 ms
Time IU waits for the Master’s poll before inhibiting acceptance of the BA and CC (max): 3 second

Hardware Specification:
——————————
Power:
Min 20 VDC
Nominal 24…34 VDC (or 24…30VAC)
Max 39 VDC
Consumes an idle current < 0.05A
0.5A for 1 sec. when accepting bills

Cable:
——————————
Standard computer serial cable
Standard MDB cable

Dimensions: approx. 100 x 50 x 30 mm
Weight: approx. 115 g


You require to make certain that prior to you purchase any kind of item you have currently seen and review the customer evaluations of the product initially. By doing this you can be sure that you are obtaining the appropriate item that will certainly fit your requirements. Since this item has top quality it is amongst the very best vendors out there now and many individuals are recommending this item to their friends and family. The only issue that most individuals notice in this product is that it has a really high rate as compared to other products. People claim that it is just few and really expensive people could afford this item. Well they are partly true regarding the price of the product however what they don't realize is that this item is made with the finest materials and with the most effective quality this is why it has a greater cost as compared to others. Nonetheless, these days this item is actually inexpensive for almost every person and also its a great purchase for the loan. You do not need more affordable products if it will only undermine your job and will not offer you the kind of quality that you need in the product. With the higher cost you could be sure that your money deserves investing in this item.
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Precio:  US $42.01 / pieza
Precio de venta :  US $39.91 / pieza
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