Measurement-computing DAQFlex Bedienungsanleitung PDF herunterladen (Seite 28)

DAQFlex Message-based Firmware Specification Hardware Reference – USB-1408FS-Plus

Hardware features

 8 single-ended (0 to 7), 4 differential (0 to 3) analog input channels

o Analog input ranges:

Single-ended mode: ±10V

Differential mode: ±20V, ±10V, ±5V, ±4V, ±2.5V, ±1.25V, ±1V, ±1.25V

o Sampling rate: 50 kS/s max rate

o Channel-gain queue: Up to eight unique, ascending elements; one gain element per

channel.

o Resolution: 14-bit differential mode, 13-bit single-ended mode.

 2 analog output channels. The analog output range is 0 V to 5 V.

 16 DIO configured as two 8-bit ports. Each port is configurable for input or output.

 External digital trigger

 Bidirectional external clock

 32-bit event counter

 Bulk transfers:

o The bulk in max packet size is 64 bytes.

o The bulk transfer size must be a multiple of the USB maximum bulk packet size.

o Bulk transactions are complete when a packet is sent that is less than the max packet size.

When sending an integer multiplier of the max packet size of data during a transaction, include

an empty packet to indicate the end of the transaction.

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Measurement-computing DAQFlex Bedienungsanleitung Seite 28