Version 2.1
09/2010
NOVOLAS Basic AT
Interfaces
25
4.3.6 Serial Interface RS232 (X18)
General specification:
•
RS232 standard compliant signals
•
connection and application settings depends on the installed
software.
•
Attention! Common reference potential with analogue inputs and
serial ports
Terminal
Description
Potential
X18.1
Signal Common GND
(must be connected to GND of a RS232 interface
e.g. PC Sub-D 9 Pin 5)
X18.2
RX RS232 Input (must be connected to the TX of
a RS232 interface e.g. PC Sub-D 9 Pin 3)
±5V
X18.3
General Input
±5V
X18.4
TX RS232 Output (must be connected to the RX
of a RS232 interface e.g. PC Sub-D 9 Pin 2)
±5V
X18.5
General Output
±5V
4.3.7 Serial Interface RS422 (X36)
General specification:
•
connection and application settings depends on the installed software.
•
Attention! Common reference potential with analogue inputs and serial ports
Terminal
Description
Potential
X36.1
Signal Common GND
X36.2
B RS422 Input
X36.3
A RS422 Input
X36.4
Z RS422 Output
X36.5
Y RS422 Output