DH Instruments COMPASS FOR MOLBOX, Руководство пользователя

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COMPASS

for molbox™ User’s Manual
© 1998-2003 DH Instruments, Inc .
Page 102
FEATURE DESCRIPTION
Temperature
Measurement
(drop down list
selection)
This is the device used to automatically read the temperature of the gas at the DUT for DUTs
that specify a
<Gas Density Correction Type> in the DUT Definition [Correction] tab (see
Section 8.5.3) or when a Test definition has the DUT temperature option checked on the
[Data] tab (see Section 9.5.9). The drop down list choices are created using the
[Temperature] tab in the Hardware Definition (see Section 10.3.4). If a molbox is selected as
the <Flow Reference> , <Reference molbloc> is a choices in this list. There are no
circumstances in which a selection is required. If a selection is present, COMPASS will
attempt to use the specified device to measure the temperature of the gas at the DUT when
applicable. If no automated temperature measurement device is available, select
<Manual> .
molbloc temperature can only approximate the temperature of the gas at
the DUT. Keep this in mind when estimating the uncertainty on the gas
temperature at the DUT.
IEEE-488 Card
(drop down list
selection)
Select the manufacturer of the IEEE-488 card used by the computer running COMPASS to
read IEEE-488 devices included in the System Configuration and/or IEEE-488 DUTs whose
<Output Type> is <IEEE-488> in the DUT Definition [Read] tab. A selection in this category
is required only to run tests that include communications with an IEEE-488 System Configuration
device or an IEEE-488 Output Type DUT. Otherwise,
<None> may be selected. COMPASS
supports only CEC and National Instruments IEEE-488 cards. To run a test that includes any type
of IEEE-488 communications, an IEEE-488 card must be included and properly configured for
use by the computer running
COMPASS . Refer to the card instructions for information on
how to set up the card and troubleshoot problems. After proper card installation, no special
setup is required to use the card in
COMPASS .
De
(drop down list
selection)
Select the manufacturer of the DeviceNet card used by the computer running COMPASS to
read DeviceNet DUTs. A selection in this category is required only to run tests that include
communications with a DeviceNet. Otherwise,
<None> may be selected. COMPASS supports
only SST and National Instruments DeviceNet cards. The selected card must be properly
configured for use by the computer running
COMPASS . Refer to the card instructions for
information on how to set up the card and troubleshoot problems. After proper card
installation, no special setup is required to use the card in
COMPASS . Use the
[Setup] , [Hardware] , menu choice to modify the selected card’s MacID (see Section !!!)
Default DUT
RS-232 Port
(drop down list
selection)
This is the default RS-232 port to use to communicate with DUTs whose <Output Type> is
<RS232> in the DUT Definition [Read] tab and/or whose <Setpoint Type> is <RS232> in the
DUT Definition [Set] tab (see Section 8.5.9). This is only the default selection. COMPASS will still
prompt for entry of the actual port during test initialization. The default value can be used
automatically by turning OFF the appropriate test initialization option (see Section 11.5).
10.3 [SETUP], [HARDWARE]
[Setup] , [Hardware] is a pop-up window used to create the Hardware Definitions that are available for
selection in the System Configuration (see Section 10.2). The window is made up of tabs corresponding
to different hardware types. In each tab, functions are available to display, edit, copy, create and delete
Hardware Definitions. All editing occurs on the
<Device Editor> form corresponding to the device being
edited. The tabs of this display include:
•
[Reference] (see Section 10.3.3): Defines and stores flow references. These are the devices that
are available in the System Configuration <Flow Reference> drop down list and used by COMPASS
as the source of reference flow values when running tests. Only molbloc/molbox flow references
support automated data acquisition within
COMPASS .