Yokogawa PC-Based MX100 - Manual (Page 977)

18-3
IM MX190-01E
MX100 Constants and Types for Extended API - Visual Basic -
18
18.2 MX100 Constants
This section describes the mnemonic and the meaning of the constants. For the
details on the MX100 functions, see the relevant user’s manual.
Visual C/Visual C++ Constants
In Visual C/Visual C++, the constants from chapter 6 are inherited. The following
constants have been added.
Constant
Mnemonic Description
DAQMX_LIST_ALL Specifies all data identifiers.
DAQMX_LIST_CURRENT Specifies the current data when copying.
See also “Constants” in section 6.2.
Range Types
This Extended API defines bits that differentiate between the specially-defined ranges
and the existing ranges. Differentiations can be made using logical operations.
Mnemonic Description
DAQMX_RANGETYPE_DI Special range type for digital input
DAQMX_RANGETYPE_SKIP Other special range type
See also “Range Types” in section 6.2.
Digital Input (DI) Range Types
The detailed range of digital input is used for the digital input range. If specification
is made regardless of the module range, the following is used.
Mnemonic Description
DAQMX_RANGE_DI_LEVEL Less than 2.4 V, Greater than or equal to
2.4 V
DAQMX_RANGE_DI_CONTACT 0:open, 1:close
Skip
You can specify the following definition for the special range setting.
Mnemonic Description
DAQMX_RANGE_SKIP SKIP (not used)