Juniper Systems Allegro DAQ - Manual

Data Acquisition Expansion Pod 1
Data Acquisition
Expansion Pod
™
User’s Guide
Contents
Chapter 1: Introduction ................................................. 2
Physical Description ...........................................................................2
DAQPod Features ..............................................................................2
Chapter 2: Before Connecting the Data Acquisition
Expansion Pod ............................................................... 3
Compatible Data Acquisition Cards ....................................................3
Recommended Mating Connector ......................................................3
Understanding Signal Differences from Standard E Series Devices ..3
NI DAQCard signals not available with the DAQ
Expansion Pod ......................................................................4
Sensor excitation .........................................................................4
Chapter 3: Connecting the Expansion Pod ................. 6
Connector Diagram and Pinout Chart ................................................6
Recommended Software to Gather and Analyze Data .......................7
Chapter 4: Finding More Information ........................... 9
Chapter 5: Signal Descriptions .................................. 10
I/O Connector Signal Descriptions ..................................................10
Chapter 6: Configuration Switches ............................ 15
Default Switch Settings ....................................................................15
Configuring Switches ........................................................................16
Continuously enable the Sensor Excitation Output ...................16
Use DIO7 to enable/disable Sensor Excitation Output ..............17
Bypass the Sensor Excitation (Output Analog Out 0 rather than
the Sensor Excitation) .........................................................17
Enable current limit monitoring ..................................................18
Disable current limit monitoring and reconnect the PFI5 signal
to the 50-pin connector .......................................................18
Locating Switches on the Schematic ................................................19
Appendix: DAQ Expansion Pod Schematic ............... 20