Poseidon2
– Family manual
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Sensor RJ45 MIDDLE cable
RS-485 cable, 0.5m, RJ45/4 pins. Connects
4 terminals (A, B, +, - ) to a RJ45 modular jack
(uses 3 pairs).
This cable is used to connect all sensors
except for the last one in the chain.
Sensors connected with this table
must not
terminate
the RS-485 bus.
Sensor RJ45 LAST cable
RS-485 cable,
0.5m, RJ45/4 pins. Connects 4 terminals (A,
B, +, - ) to a RJ45 modular jack (2 pairs
only).
This cable is used to connect the last sensor
in the chain.
The sensor connected with this cable
MUST
TERMINATE
the RS-485 bus in one of the
following ways:
Equipped with an ext
ernal 120Ω resistor
Jumper or DIP switch at the sensor set to TERM=ON
For other options, see the sensor manual