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NV10 FAMILY USER MANUAL
Copyright © Innovative Technology Ltd 2016
Doc: GA02116 - NV10 FAMILY USER MANUAL
Version:1.1
Page 37 of 80
6.4
MDB
6.4.1
General Description
MDB (Multi-Drop Bus) is used in the vending industry and is now an open standard
in the NAMA (National Automatic Merchandising Association) so that all vending and
peripheral equipment communicates identically. MDB uses a master-slave model
where the VMC (Vending Mechanism Controller) is the master that can communicate
with up to 32 slaves (e.g. banknote validator or coin acceptor). Please contact
Notes:
NV10 USB/+ can only be used in MDB with the addition of an IF5 interface.
The NV10 USB/+ supports the MDB protocol version 1, level 1.
6.4.2
Pin Assignments
Pin
Name
Type
Description
1
Tx, transmit (ttl levels)
Output
Serial Data
5
Rx, receive (ttl levels)
Input
Serial Data
15
+ Vin
Power
+12/110VDC Supply
16
0V
Power
0V Supply (GND)