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Dionex ED50A Electrochemical Detector
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2.5.4
TTL Input Control
TTL input signals from a remote controller, such as an integrator or other
system module, can control any four of the detector functions listed
below. The functions are defined from the
Section C.1.16). See Appendix D for details about TTL control and
connection instructions.
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The Dionex ED50A accepts TTL signals when it is in Local or Remote
mode.
2-16
Pressing
starts the method clock. From the
Run
time 0.00 step is executed as soon as
steps are executed according to their programmed times.
The detector can run under method control while a method is being
entered or edited.
When changes to the currently running method are saved, only
parameter changes that affect the method after the current time will
be implemented in the current run.
While in Method control, the following parameters cannot be
changed from the Dionex ED50A front panel: analog range, offset,
mark, TTL and relay settings, and suppressor current.
OFFSET
HOLD/RUN
SUPPRESSOR OFF/ON
METHOD NUMBER INCRement
METHOD NUMBER DECRement
MARK Recorder
Increase RANGEX10
ial conditions, the
INIT
is pressed. The remaining
Run
TIME FUNCTION IN
Doc. 065551-01 6/13
screen (see
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