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Specification Differences: USB-621x, USB-625x, PCI/PCIe/PXI-625x

Hardware: Multifunction DAQ (MIO)>>M Series>>PCIe-6251, Multifunction DAQ (MIO)>>M Series>>PCI-6251, Multifunction DAQ (MIO)>>Portable>>USB-6251, Multifunction DAQ (MIO)>>Portable>>USB-6211

Problem:
What are the differences between the USB-621x, USB-625x, and PCI/PCIe/PXI-625x?

Solution:
  USB-621x USB-625x PCI/PCIe/PXI/PXIe-625x
Analog Input      
Number of Ranges 4 7 7
Signal + C. Mode 10.4 V 11V 11V
Data Transfer 4 signal streams 4 signal streams 6 DMA
Triggers Digital Digital / Analog Digital / Analog
Analog Output      
Range -+10 V -+10 V, -+5 V, -+Ext. Ref -+10 V, -+5 V, -+Ext. Ref
Current Drive +-2 mA +-5 mA +-5 mA
Overdrive Protection -+30 V -+25 V -+25 V
Overdrive Current -+2.4 mA -+20 mA -+20 mA
Settling Time Full Scale 32 us 2 us 2 us
Calibration Interval 1 year 2 year 2 year
Digital I/O      
Functionality Static Clocked (1 MHz)* Clocked (10 MHz)
Type Unidirectional Bidirectional Bidirectional
Max Current Drive 16 mA** 24 mA 24 mA
Counter      
FIFO Size 1023 2 2
Power Options Bus / External External Bus

* 10 MHz with onboard regeneration
** 50 mA is the maximum total current drive

Related Links:
KnowledgeBase 3E78PKHS: Major Differences Between E Series and M Series DAQ Devices

Attachments:





Report Date: 09/07/2006
Last Updated: 04/04/2009
Document ID: 4169OM46

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