Installation Manual
LazerData
®
11000 Scanner
Installation - 2.9
RS485-polled interface
The RS485-polled interface is a Half Duplex (3 wires + shield) interface.
The polled configuration can be used for Multidrop connections with a Multiplexer, or it
can be used for a master-slave layout (see section 2.6.1).
The following pins of the 25-pin connector are used for RS485-polled
communications:
25-Pin
Name
Function
2
TX485+
RS485 input/output (+)
4
TX485-
RS485 input/output (-)
7
SGND
Signal Ground
TX485+
2
TX485-
4
+ RTX485
- RTX485
7
SGND
MULTIPLEXER
RS485REF
11000
scanner 25-pin
Figure 2.9 - RS485-polled connections
This interface is forced by software when the protocol selected is MUX32 protocol.
For this interface type, the Multidrop address must also be set via serial channel by
the LDHOST utility or by ESC sequences.
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