Introduction

The industrial world is undergoing a rapid change, where software is equally as important, if not more, as the physical elements of a hardware. Software in the field devices helps to reduce costs, increase operational efficiency and productivity by providing better access of the data from field instruments to other systems. Technological evolution pushes end users and industrial OEMs to take the risk of adopting new technologies in their field devices. Field devices that we now see mushrooming in the industrial landscape are far more complex and complicated that they used to be just a few years ago.

Why field device testing is required for industries?

Coupled with intricate electronic systems, an increasing number of field devices have complex software in them. The quality of the software is the determining factor that ensures the smooth functioning of these devices. Testing is one of the critical quality assurance methods for the IIoT and open architecture driven industrial automation systems. A well thought out multi-layered and end-to-end testing approach can ensure predictability and assurance. It can also help with the detection of bugs at an early stage and improve test cycles.

Field devices support various protocols and standards for easy adoption and interoperability. A field device OEM should also solicit pre-certification testing to ensure its field devices meet the protocol specifications such that their products can be certified by the concerned standards organization (like OPC Foundation, ODVA, ETG, PI, etc.)

pre-certification testing

Device Testing Services provided by Utthunga

Industrial automation systems comprise of electrical, mechanical, and software elements and hence the testing processes must be aligned to multiple levels. These levels include integration testing, component testing, site acceptance testing (SAT), and factory acceptance testing (FAT) before commissioning of the device in the plant.

At Utthunga, we offer cutting-edge device testing services in both hardware and firmware areas. Our device testing team of highly skilled test engineers have executed complex projects by quickly designing and creating efficient test setups, adapting to existing setups and functional knowledge.

We provide end-to-end testing service with flexible engagement models with our deep understanding of industrial automation and certification capabilities. We are also a protocol compliance testing company and some of the features of our testing services include:

  • User-friendly automation framework for easier maintenance and reliable results
  • Support for various test automation tools like Ranorex, etc.
  • Functional, system and integration testing of the devices and configuration tools
  • Interoperability testing with different scanner devices
  • Design and development of test jig and verification on the test jig
  • Pre compliance testing of the devices and experience in fixing any non- compliance issues

Additionally, we provide both lab testing & field-testing services for:

Hardware Testing

  • In-depth signal analysis, voltage level, frequency, rise time fall time characteristics, noise levels etc.
  • Board level testing and validation
  • Power block testing and analysis
  • Electrical testing and validation
  • Safety and security standard measures (silx)
  • Unit/module functionality testing
  • Sensors, wireless devices, displays, various data acquisition units and gateways etc.
  • Integration testing: h/w unit level and system level (top to bottom/ bottom to top/ hybrid incremental approach)
  • Pre compliance – physical layer testing (for HART devices)
  • Acceptance testing

Firmware and System Testing

    • Unit/module code and quality analysis
    • Coding and project guidelines checks (Ex. MISRA)
    • System-level end-to-end testing
    • Stability, durability, availability, scalability, reliability, recovery and remote monitoring with diagnostics tests
    • Pre-compliance tests

DLL, UAL, CAL testing using HART 192 Test Kit and device-specific commands testing (for HART devices)

Compliance and Certification Support for CE, FCC, UL, ATEX, etc.

  • Class & Directive identification
  • Applicable test cases
  • Pre-compliance testing
  • Technical documents preparation
  • Sample submissions
  • Declarations
  • Affixing marks

Why Choose Utthunga for Field Device Testing?

Our framework-based approach to field device testing ensures guaranteed cost savings and faster time-to-market without compromising on quality, performance & reliability. We offer:

  • End-to-end device testing including hardware, firmware and configuration software
  • Reduced execution time with exhaustive test coverage of all scenarios for each device
  • Successful automation of manual test cases
  • Experienced engineers who can provide you consultation service for troubleshooting your certification-related issues
  • As a protocol compliance testing company we provide feasibility study of implementing new communication protocols on existing devices
  • Integration testing of the communication drivers with other industrial automation standards like FDT, FDI, OPC, etc.
  • As an FDT Accredited Test & Certification Centre, we can help you in certifying your DTM for FDT specification conformance

FAQs

Yes, we provide a wide range of verification and validation services including pre-certification testing for industries.

Field instruments are used to measure various physical parameters like pressure, humidity, corrosion, temperature, flow, acceleration, velocity, displacement, etc. Depending on the type of measurement, there are different calibration techniques available.

  • Transducer calibration which focuses on the transducer input-output output relationship
  • Physical end-to-end calibration
  • Data system calibration which simulates or models the input of the entire measurement system

All these calibrations ensure that your device measurements are accurate which will positively affect your production process because all the measurements will be correct. This also reduces the variation with respect to the technical specification as well as help in preventive maintenance.

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