Output Connection; Connection Of Rs485 Logger Serial Communication Line - ABB REACT 2 Series Product Manual

+
5V output connection
C
onnection of RS485 LOGGER serial communication line
40
usually corresponds to the monitoring device.
S3
PC-485 LOGGER-485
METER-485
CARD CARD
CARD
RS485
METER RS485
LOGGER
RS485
PC
On the communication and control signal terminal block
auxiliary voltage of +5V.
The maximum absorption permitted from this auxiliary power supply
voltage is 100 mA.
The RS485 LOGGER serial communication line on the communication
and control signal terminal block
the inverter to monitoring devices that communicate with the Modbus
communication protocol. On the communication and control signal
terminal block there are two connection points for each serial line
40
signal (+T/R, -T/R and RTN) so as to be able to make a daisy-chain
connection ("in-out") of multiple inverters.
Connection of a monitoring system to the RS485 LOGGER communication
then activating the communication line termination resistance in the last
element in the chain by setting the RS485-LOGGER line termination
switch (to the ON position).
37
S3
37
- 95 -
5 - Installation
40
is reserved for the connection of
40
MONITORING
SYSTEM
Modbus
S3
RS485 M-B
there is