The vending machine standard NAMA Multi-Drop Bus (MDB) may now be interfaced to a PC using the MDB-RS232. The MDB-RS232 allows Coin Acceptance, Change Dispensing, smart card reader, magnetic swipe, credit card reader, bill acceptor and bill validation all controlled by the PC. Conforms to all NAMA MDB specification and is compatible with any MDB compliant vending device. Hardware interface comes with cables, user's guide and user's protocal.
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.
Power
Cable
Dimensions
Weight
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
Standard computer serial cable
Standard MDB cable
approx. 100 x 50 x 30 mm
approx. 115 g