Datalogic Reader Matrix-1000 Reference Manual page 33

INSTALLATION
The figure below shows a multidrop configuration with Matrix-1000™ readers connected to a
Multiplexer.
three wires + shield
MULTIPLEXER
Figure 23 - Matrix-1000™ Multidrop Connection to a Mutiplexer
max. 2 m.
1
MATRIX
2
# x
4
(up to 31)
7
1
2
MATRIX
4
# 1
7
1
2
MATRIX
4
# 0
7
RTX485+
RTX485-
RS485REF
SHIELD
Earth Ground
120 Ohm
max. 1200 m.
120 Ohm
3
25