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Installation
3
Installing the EZ Gateway
3.1
M-Bus Connection R2 Port
The EZ Gateway M-Bus to Modbus & BACnet is used to transfer data to and from devices using protocols.
The M-Bus driver enables data access from M-Bus networks to other FieldServer protocols. Most M-Bus
data-point types are supported, allowing communication to almost any kind of M-Bus device in an
installation, such as utility meters, energy meters, flow meters, temperature & humidity sensors, etc. This
allows BMS systems to access an M-Bus network using direct read the M-Bus points. The EZ Gateway is
intended to act as a master (to read slave devices) or a slave (to emulate other single or multiple slave
devices) to make the information available to other protocols.
No
M+
M-
Connection
Figure 3: M-Bus Connection Port
The M-Bus connection consists of an M + and M- terminal. Most M-Bus devices are not polarity sensitive,
but please verify the polarity before connecting any devices.
The following baud rates are supported on the R2 Port for M-Bus:
2400, 4800, 9600, 19200, 38400
3.1.1
RS-485 Connection R1 Port
Connect to the 3-pin connector as shown.
Figure 4: R1 Port connection
The following baud rates are supported on the R1 Port for Modbus RTU:
2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200
The following baud rates are supported on the R1 Port for BACnet MS/TP:
9600, 19200, 38400, 76800
EZ Gateway Start-up Guide
10
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