TSI Instruments SIZER 3321, User Manual

Page: 72 / 101

C-8 Model 3321 Aerodynamic Particle Sizer

Spectrometer
Table C-2
Digital Output Pin Settings
Hex Setting
(h)
Binary
Equivalent
Pin 13
Pin 12
Pin 11
0 000 0 0 0
1 001 0 0 5
2 010 0 5 0
3 011 0 5 5
4 100 5 0 0
5 101 5 0 5
6 110 5 5 0
7 111 5 5 5
Example:
To set the outputs for I/O connector pins 11, 12, and 13 to 0 volts:
SD0
To set the outputs for I/O connector pins 11, 12, and 13 to 5 volts:
SD7
SF
—Set Front Panel Enable
SF lets you disable the front panel of the Model 3321 to prevent clearing
sample averages that are being read by an external computer.
SF x
where:
x = 0 or 1:
0 = front panel disabled
1 = front panel enabled
When the front panel is disabled, it has “view only” control. You can read
front panel settings, but no modification is allowed. The default is 1 when
the instrument is powered on. The parameter is not stored in EEPROM so
the panel is always enabled on startup.
Example:
To disable the front panel of the 3321:
SF0