What is the H1 Conformance Test Kit?

The H1 Conformance Test Kit (CTK) allows the user to ensure a manufacturer's communication stack conforms to the Fieldbus Foundation's official H1 registration testing, and will comply with the interoperability standards of FOUNDATION™ technology.


What is a Communication Stack?

The fieldbus communication stack is the messaging component of a field device. Specifically, the stack is composed of the data link layer, the fieldbus access sub-layer, the fieldbus message specification, and system/network management agents.


How has the H1 CTK Version 4.0 been upgraded?

The H1 CTK is a successful, proven testing solution that has been in use around the world for over a decade. The new version of the tool has been updated to the latest testing capabilities, as well as a current platform offering a familiar, user-friendly Windows® interface. The H1 CTK 4.0 is designed for suppliers developing new H1 communications stacks, as well as those who have modified an existing stack and want to run test cases pre-qualifying it for the registration process


When is the H1 Conformance Test Kit available for purchase?

The H1 Conformance Test Kit is available for purchase now. Pricing information can be found on FieldComm Group’s website at www.fieldcommgroup.org or order form go.fieldcommgroup.org/orderform


Why should I purchase the H1 CTK?

The H1 CTK is the perfect tool for debugging and troubleshooting a FOUNDATION fieldbus communication stack in order to ensure proper communication from device to device and from devices to host systems. This tool is designed for use by anyone developing a stack, or anyone who buys a stack and wishes to modify it. The tool kit will help ensure the stack performs correctly before being sent to Fraunhofer IOSB, a non-profit testing agency located in Karlsruhe, Germanyfor stack testing.


What components are included in a new license of the H1 CTK?

The H1 CTK includes: 


H1 Conformance Test System software

Upper Test Agent code (UTA)

Softing H1-USB interface


What other hardware is required for H1 conformance testing?

In order to successfully test your H1 stack for conformance, you will also need:


· Power Supply

· Power Conditioner

· Fieldbus Cable

· Two (2) Terminators


What are the benefits of upgrading to H1 Conformance Test Kit 4.0?

Version 4.0 has three (3) major upgrades amongst its smaller refinements.  


Windows® 7 Support 

Test engine code was updated to support 64-bit operating systems


Platform Upgrade 

Added support for new hardware (USB)


User Interface (UI) Upgrade 

New feature added to read the USB/H1 interface status




How do existing license holders obtain the update, and what do they receive?

Current H1 CTK license holders can purchase H1 CTK 4.0 at a special discounted rate. An order form is available online.



I do not have a license to the H1 Conformance Test Kit. How do I purchase a new one?

New licenses for the H1 CTK can be purchased by filling out the order form available online and accompanying that form with a company purchase order or other form of payment.  


What is the software upgrade policy for the H1 Conformance Test Kit.

License holders are entitled to all minor and maintenance updates. For example, if you license H1 Conformance Test Kit 4.0, then the following updates are provided without charge: 4.0.1, 4.1, 4.2… whereas Major releases (5.0, 6.0, …) are made available through an upgrade fee.


If I have an original ISA-based fieldbus interface card, or PCI-FBUS/2 or PCMCIA-FBUS card, how can I get new hardware?

The Softing H1-USB interface hardware is included as part of an upgrade.


What are the system requirements for the H1 CTK 4.0 or above?

  • Computer running Windows® 7
  • Available USB Port


Does the H1 CTK come with a warranty?

Yes. The H1 CTK has a one (1) year parts warranty from the date of delivery.


How do I obtain support for this product?

Licensed H1 CTK users may contact Tech Support by opening a new ticket in this support portal.


What support is covered?

Support includes general questions about the tool.


What if I need additional Support?

Users requiring additional support beyond what is offered within FieldComm Group may request consulting services by one of our highly skilled staff members. The cost is calculated on a per request basis and is based upon numerous factors.  


Is it important to use only FOUNDATION-registered stacks in my device? 

It is always good practice to use a FOUNDATION-registered stack in your device in order to ensure your product development goes as smoothly as possible. Devices that do not pass registration must be debugged and re-worked, which costs companies both time and money.


I’m a device supplier, am I required to register the stack in my device?

Device developers who register their device are not required to independently register their stack. However, stacks are tested during the registration process to ensure they conform to the FOUNDATION test specifications. Testing of the stack is done exclusively by the Fraunhofer IOSB, and is separate from FieldComm Group registration process. Reports are sent to FieldComm Group upon completion of a successful campaign. Therefore, product registration typically involves a lab testing fee and a product registration fee.  For a field device, the lab test fee includes those fees charged by Fraunhofer IOSB for stack testing, and the product registration fee includes those fees charged by FieldComm Group for interoperability testing. The registration fees can be found within this website.


I’m a stack supplier, why should I register my stack with FieldComm Group?

Stack registration allows a stack supplier to use the FOUNDATION fieldbus product registration mark in advertisements and literature.  It is important to register your stack so that instrument manufacturers employing it in a device submitted for registration will know that the stack adheres to the FOUNDATION fieldbus test specifications.


If I use the same stack in multiple devices, am I required to test it for each implementation?

No. Once a stack has been registered, it can be used in as many devices as you would like so long as the stack is not changed. See the stack registration process document for further clarification on what constitutes changes in a stack. Contact FieldComm Group if you need assistance.


How much does stack registration cost?

Stack registration costs for both members and non-members can be found on the fee tables published in this portal.