Troubleshooting guide

INSTALLATION
17
2
Figure 11 shows a multidrop configuration with DS1500 scanners connected to a
Multiplexer.
CAUTION
To avoid any possible Ground loop, keep the chassis isolated from
the Ground.
CAUTION
This is an example of multidrop wiring. Consult the multiplexer
manual for complete wiring instructions.
max 2 m
DS1500
# x
(up to 31)
DS1500
# 1
DS1500
# 0
RTX485 -
RTX485 +
Three wires +
shield
120 Ohm
120 Ohm
max 1200 m
RS485 REF
SHIELD
MULTIPLEXER
RTX485 -
RTX485 +
SGND
6
2
4
6
2
4
6
2
4
Figure 11 - DS1500 Multidrop Connection to a Multiplexer