DS4800 REFERENCE MANUAL
46
4
#1
#0
(up to 31)
Scanner
Scanner
Scanner
Slave
Slave
Slave
Main Interface
RS232/RS485
HOST
Multidrop GND
Shield
Multidrop -
Mul
1200 m Max Le
ngth
Multidrop
C
ab
le
V+
V-
Vdc
Earth
GND
Vdc
Earth
GND
Vdc
Earth
GND
PG-6000
PG-6000
PG-6000
PG-6000
MULTIPLEXER
Shield to Earth
120 Ohm
CBX100/500
Shield
floating
CBX100/500
Shield
floating
CBX100/500
SGND
Shield
RTX-
RTX+
SGND
Shield
RTX-
RTX+
SGND
Shield
RTX-
RTX+
Shield
floating
RS485 HD
Termination Resistor.
OFF
RS485 HD
Termination Resistor.
OFF
RS485 HD
Termination Resistor.
ON
Figure 31 – DS4800 Multidrop Connection to a Multiplexer
*
When using CBX500, the
Main
interface multidrop network signals:
Shield
,
SGND
,
RTX+
and
RTX-
are
repeated on terminal connector row 4 to facilitate system cabling.
*
*