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Error -200077 Using Thermocouples with SCB-68, SCB-68A or SCXI-1102



Primary Software: Driver Software>>NI-DAQmx
Primary Software Version: 7.0
Primary Software Fixed Version: N/A
Secondary Software: N/A
Hardware: Multifunction DAQ (MIO)>>Connector Blocks>>SCB-68, Counter/Timers (TIO)>>Connectivity>>SCB-68, SCXI>>Modules>>SCXI-1102

Problem:
Why Am I Getting Error -200077 (0xFFFCF273) during thermocouple measurements when using the built in cold junction compensation (CJC) on the SCB-68, SCB-68A or SCXI-1102?

Solution: br/>You will need to properly configure your accessory in Measurement & Automation Explorer (MAX).

SCXI-1102
  1. Launch Measurement & Automation Explorer and navigate to the SCXI-1102 module
  2. Right-click SCXI-1102 and select Properties
  3. Select the Accessory tab
  4. Ensure that the Accessory in the drop down menu has CJC capabilities (such as the SCXI-1303)
SCB-68/SCB-68A
  1. Launch Measurement & Automation Explorer and navigate to the DAQ device that is attached to the SCB-68
  2. Right-click on the DAQ device and select Configure
  3. Select the Accessory tab
  4. Ensure that under Accessory drop down box the SCB-68 is selected, then left-click the Configure button
  5. Under the CJC Configuration tab, ensure that the Temperature Reference Enabled checkbox is checked.
  6. Ensure that temperature reference sensor is enabled on the SCB-68. This can be found on page 6 of SCB 68 User Manual.
  7. Reading from AI0 or AI8 can also cause this error. These channels perform the CJC reading, and so they are not accessible for AI tasks.


Related Links:
KnowledgeBase 3OPCLPBP: Using Cold Junction Compensation (CJC) on the SCB-68 or SCB-68A
Documentation: SCB-68 and SCB-68A : DAQ Multifunction I/O Accessory Guide
Product Manuals: SCB-68 User Guide
Product Manuals: NI SCB-68A User Manual and Specifications

Attachments:





Report Date: 07/11/2005
Last Updated: 09/29/2017
Document ID: 3NAFKU9N

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