6-Chan. RS-422 Transceiver supports BiSS bus structure, BiSS bus loopback and Encoder Link
iC-HF is a robust line driver/receiver for industrial control applications using RS422 transmission including BiSS encoder PHY. Operation at 3 V to 5 V is supported including reverse polarity protection, current-limited, short-circuit-proof push-pull drivers allowing high speed at low EMI.
The IC’s unique feature are:
- RS422 transceiver for BiSS bus structure and BiSS bus loopback
- analog switches bypassing the driver stages (Encoder Link)
The Encoder Link function is triggered by a fail-safe scheme connects outside lines to a device’s internal components, for instance if calibration and programming.
21-Bit Optical Position Encoder with BiSS C
iC-LGC is an optoelectronic encoder iC for absolute position sensors. Photosensors, amplifiers and comparators, the entire signal conditioning and data processing unit and fast I/O interfaces are monolithically integrated on the chip. From this optical end encoder designs in various diameters are supported, with a conversion core adaptable for the angular position resolution in question, and a data output section selectable with serial (BiSS / SSI) and parallel operating modes (hardware encoder, 8-bit µC interface).
iC-MB4 is a single chip BiSS/SSI interface master controller.
BiSS C, BiSS B, SSI and extended SSI devices, sensors and actuators can be fully accessed by iC-MB4. Up to 8 devices can be connected, each with up to 64 bit single cycle data length and up to 16 bit CRC verification.
iC-MD processes quadrature encoder signals (with A, B and index) of up to 3 incremental encoders.
Possible counter configurations are up to 48 bit or up to 3 A B counter. Various input signals are applicable: differential RS422 and up to 12 V levels and TTL, CMOS and LVDS logic signals. The device can be accessed via SPI interface or can be operated as a BiSS C or SSI slave device.
12 Bit angular Hall encoder
The iC-MH 12-bit angular encoder is a position sensor with integrated Hall sensors for scanning a permanent magnet. The signal conditioning unit generates constant-amplitude sine and cosine voltages that can be used for angle calculation. The resolution can be programmed up to a maximum of 4,096 angular increments per rotation.
The iC-MH16 is an integrated Hall encoder for sensing the angular position of a diametral magnet.
The FlexCount interpolator can be set to any factor from 1 to 1024 to and achieve up to 4096 angle steps per revolution. ABZ quadrature signal incremental outputs permit up to 200 000 rpm at the highest resolution with an adjustable index pulse postion. U, V and W for the commutation of brushless DC motors with 1 to 16 pole pairs. The outputs are RS422 compatible with adjustable output current and slew rate.
iC-MH16 features the BiSS Interface for a fast serial, CRC secures data output and bidirectional register access. The programmed setup can be stored to a non-volatile ROM, based on zapping diodes.
The iC-MH8 is an integrated Hall encoder for sensing the angular position of a diametral magnet.
The amplified Hall voltages are available as complementary analog sine and cosine signals with regulated 1 Vpp differential amplitude. Using the BiSS C interface the output data can be transmitted serially and allows also access to the internal memory of iC-MH8. The configuration and internal parameters can then be stored permanently in a zapping diode based ROM.
The iC-MHL200 is an integrated Hall encoder for sensing linear and rotary magnetic targets with a 2 mm pole pitch.
A smallest linear position increment of 1 μm can be achieved when the device is operated at 12 bit resolution. The interpolator resolution can be programmed up to a maximum of 4096 increments per magnetic signal period (equivalent to a 4 mm position shift). Using the serial BiSS C interface position data can be transmitted and iC-MHL200 can be accessed for setup. The power-on configuration and internal parameters can then be stored permanently in an on-chip zapping ROM.
iC-MHM is a compact, contactless high-resolution magnetic angle sensor for the on-axis scanning of a diametric magnet.
Its Hall sensor array provides sine/cosine signals output by differential drivers with 1 Vpp. The chip features BiSS C and SPI, multiturn counting, preset on power up and verified cyclically if an external multiturn sensor is connected. The embedded RS422 transceiver allows direct BiSS/SSI line connections and all interface pins are reversepolarity and short-circuit-proof.
25-Bit Nonius Encoder
Encoder device iC-MN is a 3-channel, simultaneous sampling sine-to-digital converter which interpolates sine/cosine sensor signals using a high precision SAR converter with a selectable resolution of up to 13 bits.
iC-MR combines high-precision analog signal-conditioning with 1 Vpp line drivers for sine/cosine signals and a fast, highresolution sampling sine-to-digital converter.
An absolute data interface (ADI) presets period counting, whereas multiturn and singleturn offset values can adjust the final position data. The chip features BiSS C interface (up to 10 MHz, bidirectional), SSI (up to 4 MHz) or SPI, parallel interface. External KTY temperature sensor; monitoring a motor’s temperature are supported including configurable alarms. iC-MR aims at high-resolution position encoders and safety-oriented applications.
18-Bit Magnetic Off-Axis Absolute Position Encoder with BiSS C
iC-MU is a magnetic hall based encoder iC for absolute position sensors. Hall elements, amplifiers and interpolators, the entire signal conditioning and data processing unit and fast I/O interfaces are monolithically integrated on the chip. From this magnetic end encoder designs in various diameters are supported, with a conversion core adaptable for the angular position resolution in question, and a data output section selectable with serial (BiSS / SSI) or embedded operation (SPI interface) and analog SIN COS output. iC-MU has a pole width of 1.28mm.
18-Bit Magnetic Off-Axis Absolute Position Encoder with BiSS C
iC-MU150 is a magnetic hall based encoder iC for absolute position sensors. Hall elements, amplifiers and interpolators, the entire signal conditioning and data processing unit and fast I/O interfaces are monolithically integrated on the chip. From this magnetic end encoder designs in various diameters are supported, with a conversion core adaptable for the angular position resolution in question, and a data output section selectable with serial (BiSS / SSI) or embedded operation (SPI interface) and analog SIN COS output. iC-MU150 has a pole width of 1.50mm.
13-bit Sin/D-Converter With Calibration featuring BiSS C interface
iC-NQC is a monolithic A/D converter which, by applying a count-safe vector follower principle, converts sine/cosine sensor signals with a selectable resolution and hysteresis into angle position data.
SPI-TO-BiSS Bridge with RS422 Transceiver:
iC-MCB is a BiSS slave bridging iC to implement BiSS slave functionality into any sensor technology and platform. BiSS sensor implementations are possible, downgrading to SSI operation is also possible. Full BiSS C protocol functionality including single cycle data (SCD) for sensors (SCDS) and control communication for commands and register access and BiSS bus structures. Timing critical protocol response is handled directly by the iC-MCB and relieves the host microcontroller. The host microcontroller configures and controls the iC-MCB via SPI interface. iC-MCB can access and control various sensors directly by the Fast Sensor Interface on the I/O crossbar. The integrated RS422 transceiver enables BiSS point-to-point encoder applications with a maximum clock rate of 10 MHz.
BiSS Watchdog for RS422 with SPI:
iC-MCW is a BiSS C communication monitoring device including RS422-receivers. With iC-MCW it is possible to implement any additional safety features to extend a standard BiSS drive for example. BiSS clock and BiSS data lines are connected to the iC-MCW. The BiSS sensor and control communication is observed and sampled at maximum transmission rates of 10 MBit/s. The end of a received BiSS frame triggers an interrupt request to notify the microcontroller about new BiSS communication status and frame data. The microcontroller is connected to the SPI interface of iC-MCW and imports the BiSS frame data without disrupting the transmission between BiSS master and BiSS slave. The internal frame counter and detailed status and error information are available. Due to built-in clock generation, the chip does not need any external oscillators.
MB3U BiSS to PC-USB Adapter
Ready-to-use USB 2.0 compatible adapter featuring galvanic encoder signal separation and isolated 12V/5V power supply from the USB port or via an external plug-in power supply.
MB4U BiSS C to PC-USB 2.0 Adapter
USB 2.0 compatible adapter featuring fast realtime double buffered high speed data aquisition and 12V/5V power supply from the USB port. Compatible -Ready-to-use- with existing BiSS-Interface DLL software and additional high speed functions.
MB5U BiSS C to PC-USB 2.0 Adapter
USB 2.0 compatible adapter featuring isolated fast realtime double buffered high speed data aquisition and 5V power supply from the USB port. Compatible -Ready-to-use- with existing BiSS-Interface DLL software and additional high speed functions.
You are welcome to apply for the BiSS Device Mfgr License Agreement to benefit from free IP modules supporting your BiSS Interface designs. Check out the list below for a draft of IP examples available.
Customized version are on request and extra fee.
1. BiSS Interface Master MB101X with 16 parallel controller interface
2. BiSS Interface Master MB1XX (customized VHDL Modules on request and extra fee)
3. BiSS Interface Slave MC103
4. BiSS Interface Slave M1XX (customized VHDL Modules on request and extra fee)
Abstract Models for Simulations only
5. BiSS Interface Master MB200 (testbench, ideal for simulation issues)
6. BiSS Interface Slave MC200 (testbench, ideal for simulation issues)
Library For Software Development
7. BiSS Interface DLL (vairety of PC BiSS adapters, useable on VBA, C/C++, LabVIEW,..)
8. BiSS Interface Master MB302 (preliminary) BiSS C implementation on PIC18F452
BiSS Device Mfgr ID and Slave Description
9. Registered unique BiSS Device Manufacturer ID (BDM ID)
10. Slave Identifier File (XML device characterization)