CCV IM30 - MDB-Standard (MDB Slave) Interface; MDB-H, Executive, and I;O Connector

Manual - CCV IM30
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6.7 MDB-Standard (MDB slave)
Multidrop Bus (MDB) is a communication protocol commonly used in the vending machines. The CCV IM30 has
a MDB Standard port that can communicate to a vending machine controller as well as accept an input voltage
of 9V to 42V. MDB-H and MDB Standard to provide two separated MDB connectors with two separated
communication ports. MDB level 1,2 and 3 are supported.
signal
pin
MDB PWR IN
1
MDB PWR GND
2
MDB-WakeUp
3
MDB-Master Receive
4
MDB-Master Transmit
5
MDB-Com Common
6
6.8 MDB-H/ Executive/ I/Os (MDB Master)
The CCV IM30 has a special 20-pin connector (Amphenol 69168) that functions as both MDB-H port and
executive port, and is also available for I/O's and switched voltage.
Signal
Pin
Application
MDB_PWR_IN
1
MDB
GND
2
MDB
V_OUT (unswitched)
3
I/O and switched voltage
GND
4
I/O and switched voltage
MDB_MASTER_RX
5
MDB
MDB_MASTER_TX
6
MDB
GND
7
MDB
GND
8
MDB
EXE_MASTER_RX+
9
EXE / power input