2012年7月10日星期二

Dex And Mdb Two Of The Most Oft Mentioned And Misunderstood Technologies

It is amazing to me the frequency of which I hear people confuse MDB and DEX, as if there're related. Please well then , i'll end that rumor these. The only real correlation between DEX and MDB is because they are two separate and distinct technologies that occur to at the moment are surviving in modern vending machines.What exactly exactly is DEX?DEX was taken up that's a from the late 1980s to supply better audit capabilities. The bottlers brought DEX, a uniform commercial code setup across many industries, to vending after they implemented DEX for communications from the route handheld plus a grocers computer. Since several bottler route drivers performed direct store delivery (DSD) along with service of can/bottle machines, it made sense because of their handheld to communicate with all the vending machines they serviced combined with stores.
Typically happened this can size, resources and resolve for implementing technology, the bottlers took the leadership position, and the National Automatic Merchandising Association Technology Committee (composed mostly of engineers and industry suppliers) followed suit, adopting DEX as our industry standard.DEX is our standard an excellent ASCII code-based electronic audit file, strategies to communicate information like sales, cash bill validators, coins in coin boxes, sales of units by selection, pricing, door openings, and even more. It is actually created either locally using the VMC (Vending Machine Controller referred to as the brain of an electronic machine) or manufactured with a retrofit DEX device in older electromechanical (dip switch) machines.DEX is definitely the a reaction to the VMC storing home an interval basis (the interval of one's since last DEX reading) and cumulative basis (since VMC was initially installed or maybe the machine went into service). The VMC accumulates the knowledge and transmits it in DEX format on the DEX port when requested.DEX info is pretty useful and extensive. It eliminates the benefits of route individuals to write what you loaded in a machine on the route card. In addition , it helps it be unnecessary to manually input this data perfect into a handheld. Though the feature of DEX that gets many organizations excited and beginning DEX their machines may be the accuracy of funding accountability. There is no more second guessing the truth that was internet marketing collected through the machine.DEX results are downloaded right handheld device or transmitted by using a remote monitoring device to software which may parse the facts into useful reports USB Flash Disk.
DEX is downloaded making use of a 0.25-inch stereo plug (comparable to normally normally the one together with your old stereo headphones from the 70s).When downloaded for a handheld, DEX is parsed along with comparison with planogram information unique when compared with that machine that's saved in the handheld. This informs the trail driver the number of units of every product he/my lady to load within the equipment to be look onto par.Remote monitoring devices (wireless, LAN or telephone) can forward DEX, usually through the Internet, for your central computer the spot that the software performs identical tasks as the handheld, but from the headquarters. This offers vendors the chance to pre-assemble items for locations before drivers leave and efficiently pack route trucks while using the necessary products. Approximately 60 to 70 percent while using machines currently deployed have native DEX, meaning the machines come with a VMC that produces DEX. Sometimes a more recent version of firmware With all the VMC in addition to a DEX download cable are needed to be contributed allow DEX. Older electronic and electromechanical machines not furnished with DEX can be retrofitted with all the new VMC to provide DEX (and many within the features found in new machines) or with a retrofit DEX audit device.Multi drop busMDB (multi drop bus) concerns all of the payment systems interfacing together. When vending machines were electromechanical (using dip switches), bill validators and cashless systems necessary to run through the coin mechanisms. There's a slew of connectors to interface to every one the several sorts of coin mechs available on the market, and in addition it was very puzzling since there was no industry standard.Even early electronic machines, which in reality had VMC, didnt have standard connections. They used a serial interface (like MicroMech), but additional devices, like bill validators or cashless systems, still had to be that come with and emulate the coin mechanisms.When it wasnt Using the NAMA and European Vending Association (EVA) getting together inside the 1990s and dealing in a cooperative spirit to publish the MDB specification, we might probably certainly struggling through proprietary interfaces along with the nightmare of connectors. MDB is generally a worldwide standard co-authored by NAMA and EVA, and is particularly specific to nearly all vending machine worldwide except china and taiwan, containing a standards.MDB electrical bus for interfacingMDB was the initial attempt because of the industry to get an ordinary interface for a lot of transactional electronics (coin mechanism, bill validator or cashless system) every single child interface via an electrical bus towards VMC. This electrical bus provides one standard individuals connector, because both versions are only on all MDB vending transactional electronic devices.
An MDB device require a y-MDB connection, providing to secure a piggyback connection in a MDB device completely to another. I typically want to compare MDB towards USB Drive using a ADP system (PC). USB is normally an international electrical bus standard which offers a utility connection and protocol enabling you to connect peripheral devices (for example a mouse) using a PC.Likewise, the MDB stands out as the vending industrys international standard for providing a connection with protocol for peripheral devices (in cases like this, an illustration will be a coin mech) for the VMC. The one thing MDB does that USB doesnt do is that MDB provides sufficient possibility to operate the transactional device. (USB can power suprisingly low draw devices, but it really wasnt made to power most PC peripheral devices.) When an MDB device is linked with an MDB machine, the system identifies itself with the machine towards the style of device it's (coin mech, bill validator or cashless system) as well as the currency which the MDB device is developed to obtain.The VMC recognizes and enables the MDB device for operation, and the MDB tool and VMC communicate constantly. The dialogue establishes a device is active when settling on eat currency or cashless, transmitting each activity that happens with all the MDB device, by way of example each occurrence of your coin being accepted right into a coin mechanism, a bill being accepted right bill validator, or possibly bank card, tap-and-go device or keyfob being accepted using cashless system). The appliance establishes a monetary credit and shows the credit from the display. Because VMC would be the brains on the machine, it determines if enough credit exists in the machine allow a vend.If a vend occurs, the VMC communicates going back to the transactional device MDB to complete the transaction. For your coin mech, this could mean repay change, to get a bill validator, stack niche from escrow; for a cashless device, it indicates transmit the vend price and transactional information up to the processor or local card server (college), in addition to a stored value cashless system, this would mean writing new stored value time for the magnetic card or smart token or keyfob.
Error Message CommunicationOne of the most extremely nice highlights of MDB is that often MDB devices communicate status about the VMC. This implies if you find an issue with a computer device, the product communicates a note on the VMC indicating the big mistake. Samples of this are bill jams, bill stacker capacity status, coin mech problems, etc. This feature is especially useful when used in combination with remote data collection systems, where error messages might be forwarded to field service personnel via texts or email.Tracking vending activity through MDBWhen MDB was originally conceived, MDB communications was restricted to transaction device identification and operational communications relating to the tool and the VMC. Information e.g. vend selection hasn't been available, considering it really is internal for that VMC and does not should be transmitted around the MDB. Eventually, cashless device suppliers lobbied NAMA/EVA to change the specifications With the MDB to accommodate transmission of selection home the MDB, to ensure facts are available today. Some cashless and remote data communication providers are likely to bypass DEX and derive audit information from MDB communications. Even though it is possible to derive sales and selection choices, the info manufactured by MDB isn't as detailed as DEX, given it never was likely to happen to be.DEX and MDB are clearly distinct technologies. DEX allows product auditing, cash accountability and possible pre-kitting, while MDB could be the means through which various transactional devices operate and get in touch with the brains around the vending machine. DEX is utilized that includes a handheld unit or remote monitoring, which the MDB is usually an internal component. Both DEX and MDB were designed to help it become better to deploy useful USB Flash Drive.

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