BiSS interface
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File:BiSS Interface Logo.png
BiSS Interface Logo
The open source BiSS Interface (bidirectional/serial/synchronous) is based on a protocol which implements a real time interface. It enables a digital, serial and secure communication between controller, sensor and actuator. The BiSS protocol is designed in B mode and C mode (continuous mode). It is used in industrial applications which require transfer rates, safety, flexibility and a minimized implementation effort. The BiSS interface has roots in SSI and a simplified INTERBUS; competing solutions are the proprietary standards of Hiperface and EnDat.
Contents
Application
- Position sensor system
- Rotary encoder (absolute encoder) [1]
- Linear position sensors (absolute encoder) [2][3]
- Drive control (motor feedback) [4][5]
- Intelligent sensor system (smart sensors) [6]
- Robotics [7]
BiSS Features
- Open source
- Hardware compatible for SSI standard (synchronous serial interface)
- Cyclic reading of sensor data up to 64 bit per slave
- Transmission of status data, parameter, measured temperature value, configuration description, etc.
- Isochronal, real time capable data transmission
- bidirectional communication with two unidirectional lines
- Point-to-point or multi-slave networks
- Maximum user data rate, transmission data depending on driver and line of e.g. 10 MHz, 1 km, LVDS 100 Mbit/s
- Independent of the applied physical layer
- CRC secured communication (sensor data and control data secured separately) [8]
Characteristics of BiSS C
- Continuous sensor data transmission without interruption while using control data
- Activation of actuators in bus during sensor data transmission
- Broader standardization through BiSS profiles, BiSS EDS (electronic data sheet), BiSS USER DATA, etc.
- Full compatibility of BiSS identifier (already defined in BiSS B) [9]
History of BiSS in position sensor system
- BiSS was showcased in 2002 by its founders iC-Haus GmbH [10]
- Since BiSS B is not motor feedback compatible, BiSS C has been preferred in the market
- All patent cases against BiSS B were dropped in 2012:
- EP 0790489B1: “Mode switching by frequency comparison"
- DE 19701310B4: “Mode switching as such”
- EP 1168120B1: “Block transmission of additional uncritical data”
- Multi-cycle data (MCD) are no longer utilized in the position sensor system with BiSS
- Because BiSS utilizes the PHY of SSI [(RS-422)], it develops as the successor of the SSI interface in automation
External links
- BiSS Interface Website
- BiSS C protocol description (PDF, 964 kB)
References
- ↑ http://www.kuebler.com/german2/service-grundlagen-biss_c_schnittstelle.html Kuebler Group. "BiSS-C interface". Retrieved 2013-7-25
- ↑ http://www.amo-gmbh.com/en/products/linear-measuring-systems/absolute-linear-measuring-system/ AMO GmbH. Retrieved 2013-7-25
- ↑ http://www.renishaw.com/biss "Groundbreaking absolute linear encoder and rotary (angle) encoder is BiSS® protocol compatible". Retrieved 2013-7-25
- ↑ http://www.keb.de/index.php?id=83&L=1 Karl E. Brinkmann GmbH. Retrieved 2013-7-25.
- ↑ http://www.br-automation.com/en/company/press-room/br-servo-drive-with-biss-interface/ "B&R servo drive with BiSS interface". Retrieved 2013-7-25
- ↑ http://www.altera.com/end-markets/industrial/partners/ind-partners.html?GSA_pos=4&WT.oss_r=1&WT.oss=BISS "ALTERA´s Industrial Partner Solutions". Retrieved 2013-7-25
- ↑ http://www.elmomc.com/products/gold-digital-servo-drives-main.htm ELMO Motion Control. Retrieved 2013-7-25.
- ↑ http://www.pepperl-fuchs.de/global/de/16997.htm? Pepperl+Fuchs GmbH. Retrieved 2013-7-25.
- ↑ http://www.hengstler.de/de/technologie/offene_digitale_sensor-_schnittstelle_biss.php Hengstler GmbH. "Open digital sensor interface (BiSS)". Retrieved 2013-7-25.
- ↑ http://www.ichaus.de/product/BiSS%20Interface. iC-Haus GmbH. "BiSS Interface Protocol Description". Retrieved 2013-7-25.
