Measurement-computing DAQFlex Manuel d'utilisateur télécharger pdf (Page 42)

DAQFlex Message-based Firmware Specification Hardware Reference – USB-7204

USB-7204

Use the components below to set or get device properties.

Refer to the DAQFlex Software User's Guide for a description of each component and property.

Component

Supported

Property/Command

Set/Get

Supported Values

CHMODE

Set

SE, DIFF

AI{ch}

OFFSET

Get

4-byte floating point numeric

RANGE

Set/Get

BIP20V, BIP10V, BIP5V, BIP4V, BIP2PT5V,

BIP2V, BIP1PT25V, BIP1V

SLOPE

Get

4-byte floating point numeric

VALUE

Get

Unsigned integer numeric

AISCAN

EXTPACER

Set/Get

ENABLE/MASTER, ENABLE/SLAVE,

ENABLE/GSLAVE

HIGHCHAN

Set/Get

0 to 7

LOWCHAN

Set/Get

0 to 7

QUEUE

Set/Get

ENABLE, DISABLE, RESET

RATE

Set/Get

0.596 to 50,000 Hz

(1 channel)

RANGE

RANGE{ch}

Get

0 - 15 (the number of elements in the

queue)

Set

BIP20V, BIP10V, BIP5V, BIP4V, BIP2PT5V,

BIP2V, BIP1PT25V, BIP1V

RANGE{element/ch}

Set

Element: 0 to 15

Channel: 0 to 7 SE,

0 to 3 DIFF

Range: See the range values above.

SAMPLES

Set/Get

0 to N

(0 = continuous scan;

N = 32-bit)

STALL

Set/Get

ENABLE, DISABLE

START

STATUS

Get

IDLE, RUNNING, OVERRUN

STOP

TRIG

Set/Get

ENABLE, DISABLE

XFRMODE

Set/Get

BLOCKIO, SINGLEIO

AITRIG

REARM

Set/Get

ENABLE, DISABLE

TYPE

Set/Get

EDGE/RISING, EDGE/FALLING

RANGE

Get

UNI4.096V

VALUE

Set

0 to 4095

AOSCAN

HIGHCHAN

Set/Get

0 to 1

LOWCHAN

Set/Get

0 to 1

RANGE{ch}

Get

UNI4.096V

RATE

Set/Get

one channel: 1 to 10 kHz

two channels: 1 to 5 kHz

SAMPLES

Set/Get

0 to N

(0 = continuous scan; N = 32-bit)

STALL

Set/Get

ENABLE, DISABLE

START

STATUS

Get

IDLE, RUNNING, UNDERRUN

1 2 ... 37 38 39 40 41 42 43 44 45 46

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Measurement-computing DAQFlex Manuel d'utilisateur Page 42

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