DS6400 REFERENCE MANUAL
64
7
NOTE
For some DS6400 Lonworks Network layouts, power is propagated through
the 9-pin scanner connectors. A specific jumper setting is required in CBXs
to pass scanner power to the presence sensor, encoder, etc.
7.1.1 Small Synchronized Network
When building a small local Lonworks network (less than 10 scanners), the DS6400 master
reader must be connected to a local host computer or a CBX connection box by means of a
cable connected to the 25/26-pin D-sub male connector.
The master reader connects to the first slave reader of the system through the local
Lonworks 9-pin female connector. For Master/Slave models, the local Lonworks 9-pin male
connector must be properly terminated by inserting the BT-6000 Lonworks terminator.
Fieldbus models (Ethernet, DeviceNet, or Profibus), are internally terminated.
The slave readers are connected together through the local Lonworks connectors. Only the
9-pin female connector of the last slave reader must be terminated by the BT-6000 Lonworks
terminator.
The presence sensor is connected and powered through the CBX by the scanner and is
unique to the system. There is only a single reading phase and a single message from the
master reader to the Local Host. The
On-Line
operating mode is used for this layout.
Figure 84
– Small Synchronized Network with 2 Readers
PWR-120
Local Host
CBX100**
Master
Slave 1
CAB-Sxx
CAB-610x
P.S.*
BT-6000
I/O, AUX
BT-6000
* P.S. (Presence Sensor) connected to Input 1 (External Trigger/PS) input.
** CBX100 jumper set to accept scanner power.
C
A
B
-6
3
x
x
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