Model 2010D Calibration Setup Page 6-
[6] Next fill in, under Frequency, the days, hour and minutes
that should elapse between each automatic starting of the
sequence. The frequency for days can be 0 through 365
days. For performing this calibration every day a 1 would
be entered in Days. If the calibration is to occur at the
same time every day, the hours and minutes should be set to
"00:00". If the days, hours and minutes are all set to
zero, the sequence will only run once at the indicated Next
Start time and will not repeat,
[7] Repeat steps 4 through 6 as necessary to schedule other
sequences.
[8] When all of the sequences have been scheduled, press the
End Sequence button. You will be prompted to save the
information or not. The cursor will be on the "Y" for
saving. Press the Enter button and the initialization will
be saved. If you wish to discard the new initialization,
arrow to the "N" and press the Enter button.
Digital I/O Group Set-up
If the User Digital I/O is to be used for signaling sequence
status or for remotely activating sequences or sequence points,
each of the 24 bits must be assigned to their respective
purposes before these functions can be activated.
The 24 User Digital I/O Bits can be activated remotely by an
external device, such as a data acquisition system or they can
be used to signal the external device of when a sequence and/or
its calibration points are active. In other words, the 24 bits
can be used as control inputs or status outputs.
Each bit is active-low pulled up to 5 Volts. This means that,
when the bit is inactive, as indicated by a "0" on the status
screens, a voltmeter measuring the rear panel pin corresponding
to that bit will measure high; approximately 5 Volts. When the
2010D or an external controlling device activates a bit, as
indicated by a "1", the pin will be pulled low; close to 0 Volts.
There are five "Digital I/O Groups", each group serving a
different purpose. Three groups are for controlling
calibrations remotely and two are for signaling the status of
calibrations in progress. Each bit may only be assigned to one
group. The Digital I/O Groups are:
Abort Control Input Normally, only one bit is assigned to this
group. When the bit is active (low), any
sequences in progress will be terminated.
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