4next RS232 Series Quick Start
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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
2.
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