Measurement-computing DAQFlex User Guide Manual do Utilizador descarregar pdf (Página 118)

DAQFlex Software User's Guide Hardware Reference – USB-2408 Series

118

Component

Supported

Property/Command

Set/Get

Supported Values

SAMPLES

Set/Get

0 to N

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

START

Set

STATUS

Get

IDLE, RUNNING, UNDERRUN

STOP

Set

CTR

Get

Number of counter channels

CTR{ch}

START

Set

STOP

Set

VALUE

Get

0 to 4,294,967,295

Set

DEV

FLASHLED/{n}

Set

0 to 255

FWV

Get

Firmware version of the device

MM.mm (M = major; m = minor)

Set/Get

Up to 56 characters

MFGCAL

Get

yyyy-mm-dd HH:MM:SS

MFGCAL{item}

Get

YEAR as yyyy; 20xx

MONTH as mm; 01 to 12

DAY as dd; 01 to 31

HOUR as HH; 01 to 23

MINUTE as MM; 01 to 59

SECOND as SS; 01 to 59

MFGSER

Get

Up to 8 hexadecimal digits

RESET/{value}

Set

DEFAULT

STATUS/ISO

Get

READY, NOTREADY

DIO

Get

Number of digital ports

DIO{port}

Get

8 (number of bits on the port)

LATCH

Set/Get

0 to 255

VALUE

Set/Get

0 to 255

DIO{port/bit}

LATCH

Set/Get

0 to 1

VALUE

Set/Get

port number: 0

bit number: 0 to 7

port value: 0 to 255

bit value: 0, 1

Analog output is supported on the USB-2408-2AO only.

Hardware features

 16 analog input channels, numbered 0 to 15.

o Analog input mode is configurable for single-ended (16 channels) or differential (8 channels).

o Thermocouple mode requires a differential configuration.

Analog voltage input ranges:

o ±10V

o ±5V

o ±2.5V

o ±1.25V

1 2 ... 113 114 115 116 117 118 119 120 121 122 123 124 125

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