Juniper Systems Allegro DAQ User Manual
Data acquisition expansion pod, User’s guide

Data Acquisition Expansion Pod 1
Data Acquisition
Expansion Pod
™
User’s Guide
Contents
Chapter 1: Introduction ................................................. 2
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
to the 50-pin connector .......................................................18
Locating Switches on the Schematic ................................................19
Document Outline
- Chapter 1: Introduction
- Physical Description
- Chapter 2: Before Connecting the Data Acquisition Expansion Pod
- Chapter 3: Connecting the Expansion Pod
- Chapter 4: Finding More Information
- Chapter 5: Signal Descriptions
- Chapter 6: Configuration Switches
- Default Switch Settings
- Configuring Switches
- Continuously enable the Sensor Excitation Output
- Use DIO7 to enable/disable Sensor Excitation Output
- Bypass the Sensor Excitation (Output Analog Out 0 rather than the Sensor Excitation)
- Enable current limit monitoring
- Disable current limit monitoring and reconnect the PFI5 signal to the 50-pin connector
- Locating Switches on the Schematic
- Appendix: DAQ Expansion Pod Schematic