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
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