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MDB-W

WiFi - RS232/RS485 serial Bridge

Quick Start

1. Wiring and connection

1.1 Power supply

Connect MDB-W to a 10-28 Vdc power suply as in Fig.1.

N.B. MDB-W is protected with polarity inversion but for a correct operation the polarity must be respected.

1.2 RS232 and RS485 serial

MDB-W allows you to bridge both an RS485 and an RS232 serial. Terminals for the connection of the serial ports are as in Fig 2.

1.3 Ethernet

Currently the Ethernet port is not used.

Fig.1 Power supply connection

Access and configuration

MDB-W is equipped with an integrated WEB server, therefore it can be configured using a standard browser. To access the

configuration pages, connect to the MDB-W Wi-Fi network.

It can be recognized among the available WiFi networks by the name MDB-W + <serial number> as in Fig. 3.

In the example, 2 MDB-W are available, the 0021000100 and 002100125

S/N.

Connect to the published network, the password is 123456789.

2.1 Configuration

After connectiong to the Wi-Fi network that MDB-W published, open your

browser and type the following URL address:

It will then be possible to access the MDB-W configuration and

consultation pages.

The first screen (Fig. 4) is the user name and password authentication

page.

The default values are:

User name:

admin

Password:

admin

Fig.2 RS232 and RS485 serial connection

http://192.168.4.1

Fig.3 WiFi network published by MDB-W

Fig.4 Bridge log in