6. Interface
6.4 Synchronization and Data Format
For the instrument to communicate with the computer correctly, the instrument
and the computer must be set for the same communication parameters.
Check that following parameters are set correctly on the computer:
1
Start-stop synchronous system
asynchron
2
Start bit length
1
3
Stop bit length
1
4
Data format
8 databits
5 Parity
bit
none
6 Baud
Rate
9600
6.5 Signal
Levels
The table below lists the voltage levels and their definitions.
VOLTAGE LEVEL
DATA SIGNALS CONTROL
SIGNALS
+3 to +12
SPACE (Logic 0)
ON
-3 to -12
MARK (Logic 1)
OFF
+3 to -3
UNDEFINED RANGE
UNDEFINED RANGE
June 2002
Operating Manual for GENios, GENios FL, and GENios
Plus
No: I 112 904 Rev No: 1.1
6-3