Installation
32
Marathon MM
6.4
Multiple Sensors in a Network
6.4.1
Wiring
For an installation of two or more sensors in a network, each sensor cable is wired to its own terminal
block. The RS485 terminals on each terminal block are wired in parallel.
The following figures illustrate the wiring of sensors in a 4-wire and 2-wire multidrop installation.
Figure 10: 4-Wire Multidrop Wiring in a Network
Figure 11: 2-Wire Multidrop Wiring in a Network
USB/485
Interface Converter
XXXUSB485
Terminal Block
from Sensor
from additional terminal block
of another sensor
USB/485
Interface Converter
XXXUSB485
Terminal Block
from Sensor
from additional terminal block(s)
of other sensor(s)
