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Setup Menu Item
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124
TriPlus RSH User Guide
Thermo Scientific
Signals
How to set-up the synchronization signals from the TriPlus RSH to an external device
The synchronization signals have to be set step-by step.
1. The first step is assigning an
Input
Signal
and an
Output
Signal
. The next step is to
establish what type of contact is required to receive or send a TTL signal.
It could be TTL (Transistor-Transistor Logic), a relays contact, an
Opto-coupler
, or
another type. Add the required parameters such as
Pulse Duration
and
Blocking Time
.
This section provides informations for copying the default signals, and adding for
example a second output signal if required.
An output signal is required to send a start signal to the external device. Typically the
Switch Out Signal1 (
SWOut1
) is used for this task.
A second output signal, named
Destination Aux
, can be used for cases where one
command is sent to two different GC which must be started at the same time. A Y-shape
synchronization cable is required for connecting the TriPlus RSH to the two GC units.
One signal used could be
SWOut1
and the second signal would be
SWOut2
. The
assigned signals have to be matched with the pin allocation of the synchronization cable.
2. The second step is to synchronize the signal parameters with the GC. This step is made in
the section
The
Ready
signal from the GC is usually sent to the system, and a TTL-In signal is used
to receive the
Ready
signal. Depending on the GC manufacturer settings, the signal is set
to
active high
or
active low
. This synchronization is matched in the section
Input/Output Interface
.
3. The third step is to bundle the required Input and Output Signals for a specific
chromatographic system, such as a GC System. This bundle can be configured once and
tested in the combination of the system and the other device. This bundling is described
in the section
as the last step in setting up signals.
Selecting the list item
Signals
opens up the following parameters. See
Note
Synchronization signals are inputs that tell the TriPlus RSH when to wait or to
proceed with a sample-processing step. Output signals are sent from the system to external
devices to indicate the status or completion of particular processing steps.
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