162 Operation Manual
10 Configuration
LTM Columns
See “Unconfigured:” on page 143 and “Ignore Ready =” on
page 142.
Low Thermal Mass (LTM) controllers and columns mount on
the front door of the GC and connect to LVDS connectors
[A- DET 1], [A- DET 2], or [EPC 6].
Press [Config][Aux Col #], enter the desired LTM column
number [1-4], and configure as a composite column. See
“Composite Columns” on page 160.
LTM Series II column modules
If using a LTM Series II column module, the GC obtains the
following parameters from the column module itself during
startup: primary column dimensions (length, id, film
thickness, and basket size), and column maximum and
absolute maximum temperatures.
Configure the column type, the In and Out segment
dimensions, and so forth as needed.
Note that LTM columns can be edited only for certain
parameters: column length (within a small percentage, for
calibration purposes) and id (within a small percentage).
Since the LTM Series II column module contains its column
information, and since the column type is not changeable,
changing other dimensions (for example, film thickness) does
not apply.
See “Composite Columns” on page 160.
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