
DX8200
28
2
ENCODER
EXT TRIG
POWER ON
NETWORK
GOOD READ
TX DATA
TX DATA
NETWORK
GOOD READ
POWER ON
EXT TRIG
ENCODER
TX DATA
NETWORK
GOOD READ
POWER ON
EXT TRIG
ENCODER
Figure 32 - Connection cables for master-slave single P.S. layout
Multi P.S.
In this layout, each DX8200 has its own P.S. and therefore multiple reading phases. The
master sends the individual messages collected from the multidrop line as well as its own to
the Host.
On-Line
or
Automatic
operating modes can be used for this layout.
Main serial interface
Auxiliary serial interface: RS485 Half-duplex
Presence sensor (for On-Line mode)
3
3
2
1
Master
Slave
3
2
2
1
HOST
PC or PLC
RS232
RS485 Full-duplex
MULTIPLEXER
MX4000
RS485 Half-duplex
DX8200
DX8200
Figure 33 - Multi P.S. layout connections
2.5.4 Multiplexer
Each scanner is connected to an MX4000 with the RS485 half-duplex mode on either the main
or the auxiliary interface. The other interface can be used for configuration.
Host
MX4000
0
1
31
P.S.
P.S.
P.S.
DX8200
DX8200
DX8200
Figure 34 - Multiplexer layout