Connection Of (1) Rs-232(Db-9) Serial Port; Connection Of (2) Rs-485 (Rj-11Bl) Serial Port; An401Plus Default Serial Port - S2Tech DS EUROPE AN-401plus Series Technical Manual

2.13 Connection of (0) RS-232(DB-9) serial port
Communication serial port used, for its flexibility, for configuration and for reading of measurements in an ambient not
to noisy, from the electrical point of view (induced and radiated disturbs), and with a serial connection cable not longer
than 3 meters (baud rate can be lowered, in order to optimize serial connection for longer connection lines).
Instrument
TX  RX
RX  TX
GND  GND
Most common connection to be used to connect RS 232 connection between AN401plus and PC compatible computers
are (serial straight cable):
AN 401 Plus - RS 232
Female 9 pin connector
TX
RX
GND
2.14 Connection of (1) RS-485 (RJ-11bl) serial port
RJ – 11b
Cable color code
1
Brown
2 White
3 Red
4 Blue

2.14.1 An401plus default serial port.

Settings are:
1. Data bit
2. Parity
3. Stop bit
4. Flux control
5. Baud rate
Preliminary manual AN 401 Plus V2 r12 25/10/12
2
3
5
Description
Not connected
Data + ( A )
Data – ( B )
GND
= 8
= None
= 1
= None
= 38400
-11 / 20-
Computer
Computer
9 pin connector
2
3
5
DS Europe Mod. 658-5-X serial converter
ATTENZIONE: su questa connessione è presente
l'alimentazione fornita allo strumento PITAGORA
25 pin connector
2
3
7
5
4
1