Rs485 Communication Bus Connections; Connection To A Usb Port Of A Computer - ProMinent DULCOMETER Installation And Configuration Manual

Assembly and Installation
Fig. 22: Power Supply Output
4.11

RS485 communication bus connections

4.11.1

Connection to a USB port of a computer

Fig. 23: Communication bus connections
26
AEGIS S has a RS485 communication port to connect it to a com‐
puter equipped with a 485 port and a communication software to
record the measurement values, alarms and different states of the
device.
1. Use a 3-wire cable.
2. Wire AA' (n°3) of USB/485 converter to RS485 (A) (27).
3. Wire BB' (n°4) of USB/485 converter to RS485 (B) (28).
4. Wire C (n°5) of USB/485 converter to PWR (C) (15).
Blue (Terminal n°3): AA' RS485
n
White (Terminal n°4): BB' RS485
n
Black (Terminal n°5): GND RS485
n
Consider the bus wiring.
A USB/RS485 converter is recommended to connect the AEGIS S
to a computer. Please refer to converter documentation to realize
the connection.
A3769
A3770