
3.3 COM1 - COM2 - COM3 serial output connection
The outputs of the instrument can be configured in the RS232/422/485
standards by means of internal jumpers.
The labels show which standard has been used.
Connection to the pins is given in the following table:
RS485
Pin
RS232
RS422
TX- / RX-
1
DCD
TX-
2
RX
TX+
TX+ / RX+
3
TX
RX-
4
DTR
RX+
GND
5
GND
GND
6
DSR
7
RTS
8
CTS
9
RI
3.3.1 RS232/RS422/RS485 configuration connections
ATTENTION
Limits to use envisaged for standard RS232:
Maximum transmission distance = 15 m
Maximum voltage at ends = ± 12 Vdc
It is advisable to use a screened cable for connections to
external devices. Remember to connect the screen to the
metal part of the shell of the 9-pin connector.
Venus
1-24
Summary of Contents for VENUS
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