Foundation Fieldbus H1 Field Devices Software

Portable Foundation Fieldbus H1 Protocol Software for Field Devices

Softing’s Foundation Fieldbus (FF) H1 field device stack is optimized with respect to size, performance, and portability to support customer-specific hardware platforms. It is especially targeted to low-power microcontrollers and includes the complete range of protocol features for implementing conformant FF H1 field devices.


Portability to Customer-Specific Hardware Platforms

  • Especially focused on needs of typical process automation field devices
  • Implementation optimized for usage of low-power microcontrollers in hazardous areas
  • Easy usage in wide range of microcontroller, memory and operating system environments
  • Quick adaptation to device-specific requirements for execution on customer-specific target platforms

Support of Full Range of Protocol Features

  • Full spectrum of FieldComm Group specification
  • Including a wide range of standard Function Blocks
  • Optional support of Link Master functionality
  • Individual selection of functionality supported by field device

Proven Quality

  • One of the first implemented FF H1 field device stacks
  • Used in more than 60% of all registered FF systems
  • Successful through Softing’s uncompromising commitment to quality and extensive experience with embedding communication software into industrial components

Technical Data

Foundation Fieldbus H1 Field Devices Software
Minimum Hardware RequirementsCPU Class32 Bit, e.g. ARM Cortex-M, Renesas RX, ...
 CPU Clock4 MHz
 (Flash-) ROM> 384 KB
 RAM> 128 KB
 Non-Volatile Memory4 KB (basic device) / 8 KB (Link Master), e.g. as EEPROM / FRAM
Fieldbus InterfaceNumber of Channels1
 Transfer Rate31.25 Kbit/s
 Fieldbus ControllerSofting UFC100, (Siemens SPC4-2) (TI DAC8740)
LicensingPer-unit licensePer-unit license fee for use of the Foundation Fieldbus H1 field device stack in individual field devices. Protected by Security EEPROM. One-year maintenance contract recommended
OptionsAvailable Function BlocksAnalog Input (AI), Analog Output (AO), Discrete Input (DI), Discrete Output (DO), PID,
Multiple Analog Input (MAI), Multiple Analog Output (MAO), Multiple Discrete Input (MDI), Multiple Discrete Output (MDO), Integrator (IT), Arithmetic (AR), Input Selector (IS),
Signal Characterizer (SC), Output Splitter (OS)
 Link Active Scheduler (LAS) 
 Block Instantiation 

Order Information

Scope of Delivery 
HardwareSecurity EEPROM
DocumentationApplication Programming Interface (API) manual
Order Numbers 
LRA-KK-021513Foundation Fieldbus H1 Device Stack License
Additional Products and Services 
FFPA-MAINTAIN-FDMaintenance Contract for Foundation Fieldbus H1 Field Device Stack
IFA-KK-020503Unified Fieldbus Controller UFC-100-L2
SPA-KK-020801FieldComm Group Physical Layer Test Certification Service for Foundation Fieldbus H1 Field Devices
SPA-KK-020803FieldComm Group Conformance Test Pre-Certification Service for Foundation Fieldbus H1 Field Devices
SPA-KK-020804FieldComm Group Interoperability Test Pre-Certification Service for Foundation Fieldbus H1 Field Devices
EVA-MK-022210commModule MBP Evaluation Kit
TSA-KK-023001Introductory Training “Foundation Fieldbus”
This training is not offered as a standard training course, but tailored to individual customer requirements.
It is usually held as part of a workshop related to with an integration project.

Softing Inc.