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© Carlo Gavazzi A/S
Master Zone Counter - “MZC”
Introduction
The MZC is part of the Dupline Carpark system� The MZC is a zone count system which has the ability
to detect and count cars when they enter and exit zones in the carpark facility and send the informa-
tion to displays, and to the Dupline Carpark Software for display on a computer�
In order to make the zone count system fully compatible with the single spot detection system, the
MZC transmits its zone count values by emulating a number of single spot segments� This means that
the values for the displays are transmitted on the L2 bus and the values for the carpark software are
transmitted on RS485�
The zone count system is often used in a single spot system to keep track of the cars on the rooftop,
where no ultrasonic single spot sensors can be installed, but it can also be used to implement a com-
plete parking guidance system at a lower cost than a single spot system�
Hardware
The MZC consists of 3 modules:
1* GP3295 0030 700
- Carpark Counter Module
1* GP3290 0003 700
- Carpark Master Channel Generator (CMCG) for L1
1* GP3290 0003 700
- Carpark Master Channel Generator (CMCG) for L2
Ordering code for complete MZC with all 3 modules is GPMZC-SET
Carpark Counter Module (GP32950030700)
The Carpark Counter Module is the intelligent programmable part where the management of the count
zones takes place�
The 24 VDC powered module has a standard USB and an Ethernet connection on top of the module,
which should be used to communicate with network or local PC� On front of the module - behind the
cover - there is a mini USB and a micro SD for internal use only� Do not try to use the mini USB or
micro SD-card slot for standard communication� The two COM ports are both RS485 and are used to
transmit data between the server running the carpark software and the MZC�
This is done via the Ethernet-RS485 converter module ETHCONV4, exactly the same way as in the
single spot detection system�
The LEDs on the front indicate the status of the counter module�
Fig. 7: Master Zone Counter (MZC)