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DATALOGIC DS2400
Installation
- 2.11
START
OF TRANSMISSION
END
OF TRANSMISSION
+ V
RTS
- V
+ V
TX DATA
- V
+ V
CTS
- V
DATA
TRANSMISSION
DATA
TRANSMISSION
C1
C2
C4C3
C5
TRANSMISSION
STOPPED
ENABLED
DISABLED
ENABLED
IDLE
IDLE
Figure 2.13 - RS232 control signals
If the RTS/CTS handshaking protocol is enabled, the DS2400 activates the
RTS232 output to indicate a message is to be transmitted. The receiving unit
activates the CTS232 input to enable the transmission.
RS485 Full-Duplex Interface
The RS485 full-duplex interface is used for non-polled communication
protocols in point to point connections over longer distances than those
acceptable for RS232 communications or in electrically noisy environments.
The connector pinout follows:
Pin Name Function
2 TX485+ RS485 transmitted data +
4 TX485- RS485 transmitted data –
3 RX485+ RS485 received data +
5 RX485- RS485 received data -
7 SGND Signal Ground