Power Supply; Main Serial Interface - Rs485 Half-Duplex - Datalogic DS2200 Reference Manual

2
2.3.1

Power Supply

The following pins of the DS2200 connector are used:
CHASSIS
The power must be 5 Vdc only.
2.3.2

Main Serial Interface - RS485 Half-Duplex

The RS485 half-duplex interface (3 wires + shield) is used for polled communication
protocols.
It can be used for Multidrop connections in a master/slave layout, or with a Datalogic
Multiplexer (see par. 2.5.2 and 2.5.3).
The connector pinout follows:
Pin
5
4
7
For this interface type, the Multidrop Address must also be set via serial channel by
the WinHost utility or by ESC sequences.
8
DS2200
13/9
VS
25
GND
1
Figure 4 - Power supply connections
Name
RTX485+
RTX485-
SGND
DS2200
5
RTX485+
4
RTX485-
7 SGND
Figure 5 - RS485 half-duplex connections
USER INTERFACE
V+ (5 Vdc)
GND
Function
RS485 transmitted/received data +
RS485 transmitted/received data -
signal ground
USER INTERFACE
RTX485+
RTX485-
RS485REF
DS2200