Owner manual

18-3

IM MX190-01E

MX100 Constants and Types for Extended API - Visual Basic -

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)