User manual - INDICATOR TRS-10a
Figure 4.3. Location of elements inside the module case
Last module in the network
must be terminated with
100÷150 Ohm resistor .
Figure 4.4. Connection of the module to the network
7
1 2 3 4
DATA-
DATA+
RS - 485
Us
Us = 9 ÷ 12V DC
GND
LED indicator
force
address
0xFF switch
Power
supply and
RS-485
connector
A+
B-
terminator
(i.e.120 ohm)
GND
DATA-
DATA+
1 2 3 4
Us = 9 ÷ 12V DC
