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ScanExpress Runner Gang

Test Program Execution for High-Volume Production Systems

ScanExpress Runner Gang is a high-throughput and high-volume solution for boundary-scan production test applications. The software enables concurrent boundary-scan testing and In-System Programming (ISP) of CPLDs and Flash devices on multiple boards using a single PC. The architecture provides practically unlimited scalability where one test operator can simultaneously test up to 8,192 boards in parallel. The most common production test stations provide capability to test 4, 8, and 32 boards in parallel.

The ScanExpress Runner Gang boundary-scan run-time environment provides the capability to execute boundary-scan tests and perform ISP in a pre-planned, specific order called a test plan. Test vectors, generated using ScanExpress TPG, are executed and the test results can be displayed on-screen and logged to a file. Infrastructure, interconnect, resistor and memory tests are executed using a Corelis proprietary Compact Vector Format (CVF) file. This file format maximizes test coverage while minimizing the file size. Other formats such as SVF, JAM, and STAPL are also supported for in-system programming. Any number of different test steps can be combined into a test plan. Test steps within a test plan may be added, removed, reordered, enabled, or disabled. These test steps can be executed sequentially, repeated any number of times, or run continuously. Each test step is simultaneously executed on each connected UUT offering true concurrent testing. The primary features of the ScanExpress Runner Gang test executive include:

  • Concurrent boundary-scan testing and ISP of CPLDs and Flash devices for up to 8,192 boards

  • Concurrent hardware comparison of expected patterns against observed results for each UUT

  • Pre-power up test for shorts between power and ground lines on each UUT

  • Pass/Fail test sequence execution and failure reporting

  • Test sequence debugging by forcing selected test steps to skip, stop on failure, or continue

  • Detailed and summary test results and reports to a file

  • Prints test results

  • Allows data entry for operator name, UUT name, model number, serial number, etc.

  • Flow control for changing the flow of test execution dynamically based on previous test results

  • Support for Extensible Test Format (ETF) allowing control of external test equipment such as relay controllers and digital multi-meters

  • Bar code reader support

  • Automatic serial number entry

  • Support for execution from third party test applications and executives

  • Support with any Corelis boundary-scan controller

The main ScanExpress Runner Gang window provides a top-level view of each UUT and the overall test results for each board. Users can maneuver further to see each UUT test step, the results of each test step, and ultimately the identification of failures using the detailed truth table diagnostics. An optional add-on module called ScanExpress Advanced Diagnostics Option (ADO) is available with ScanExpress Runner Gang that offers automatic truth table analysis and pin-points failures to the net and pin level. ScanExpress ADO is useful for test operators that have little or no technical background.

For complete information on ScanExpress Runner Gang, please refer to the detailed datasheet for this product.

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ScanExpress Runner Main Window

ScanExpress Runner Gang Main Window


ScanExpress Runner Gang used with ScanTap

ScanExpress Runner Gang
used with ScanTAP


ScanExpress Advanced
Diagnostics Option
Intelligent Fault Analysis:

ScanExpress ADO

RunnerClick simplifies
ScanExpress Runner
for the test operator, see:

ScanExpress RunnerClick

For Low-Volume Production, see:

ScanExpress Runner Gang

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