Pepperl+Fuchs FUQ-B8 Manual page 51

VB24
Power Supply
Scanner
Slave
#0
Scanner
Slave
#1
Scanner
Slave
(up to 31)
Figure 26 – VB24 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.
MULTIPLEXER
Multidrop -
120 Ohm
Multidrop +
Multidrop GND
Shield to Earth
Shield
V-
V+
CBX100/500
floating
RS485 HD
OFF
Termination Resistor.
Power Supply
CBX100/500
floating
RS485 HD
OFF
Termination Resistor.
Power Supply
CBX100/500
floating
RS485 HD
ON
Termination Resistor.
Power Supply
Main Interface HOST
RS232/RS485
RTX-
*
RTX+
SGND
Shield
Shield
Earth
GND
Vdc
RTX-
*
RTX+
SGND
Shield
Shield
Earth
GND
Vdc
RTX-
RTX+
SGND
Shield
Shield
Earth
GND
Vdc
41