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CANSAS

Intelligent, CAN-Bus network capable measurement and stimulation modules

Decentralized, CAN-Bus networkable,
measurement modules for physical measurement quantities.


The CANSAS family of modules are compact, rugged and CAN-Bus network capable.
Any signal sources or sensors, such as signals of voltage, current, temperature, strain gauges, ICP, RPMs, displacement etc. Can be connected directly and transmitted over far distances without distortion. Wiring of complicated measurement lines is thus totally obsolete.

Within the measurement module, the analog signals are processed and transformed to a CAN-message. A digital signal processor allows computation of the signals in real time, which provides for smart measurement – significant data reduction. A wide variety of functions such as filtering, averaging, min./max., resampling and real-time data reduction, and much more, is available.

The function parameters are specified by the user by means of a software interface which features intuitive settings-dialogs. No special expertise in CAN-bus technology is required to work with the module. After a one-time parameterizing procedure, the CANSAS is simply connected to a sensor. It starts by itself and implements its settings immediately upon receiving a supply voltage. The measured data are then continuously emitted to the CAN-bus at a user-specified transfer rate.


CANSAS - Features

· Multi-channel, intelligent measurement data digitalization and transfer via CAN-Bus
· Any number of modules can be networked in accordance with CAN-Bus specifications
· Real-time data processing and data reduction via internal DSP
· Up to 1 kHz per channel sampling rate
· High resolution (up to 16 bits)
· Low power consumption (approx. 2.5 W at 12 V) per module
· Wide power supply range (9 - 32 V DC)
· Compact size
· Low weight
· Extremely durable housing
· Two-color LED as status indicator

CANSAS measurement module types:

UNI-8
8-channel all-purpose amplifier module for voltage, current, thermocouples, PT100, strain gauges and measurement bridges. Sampling rate 1 kHz/channel.

C8
8-channel module for high-precision temperature measurement with thermocouple, PT100 or voltage measurement.

BRIDGE2
2-channel measurement bridge module for quarter-, half-, or full bridges, and strain gauges.

DCB8
8-channel bridge amplifier module for voltage, measurement bridges and strain gauges

SC16
16-channel module for your choice of voltage, current, DIN thermocouple or PT100 measurement; max sampling rate: 500 Hz/channel.

SCI8
8-channel module for your choice of isolated voltage, current, DIN thermocouple or PT100 measurement; max sampling rate. 1000 Hz/channel.

SCI16
16-channel module for your choice of isolated voltage, current, DIN thermocouple or PT100 measurement; max sampling rate. 1000 Hz/channel.

INC4
4-channel module for connection of incremental encoders with 2 tracks each. For displacement, angle, events, time, frequency, velocity, RPM.

PWM8
8-channel Pulse Width Modulation output module. PWM-frequency 30 Hz – 10 kHz.

P8, P8-IP65
8-channel module for high-precision pressure measurement. Built-in barometer. Measurement modes: relative/absolute pressure.

DAC8
8-channel analog output module for voltage and current sources (±10 V, 0 ... 20 mA)

DO8R/DO16R
8- or 16-channel digital output module with relays.

DO16
16-channel digital output module with 16 open collector outputs.

DI16
16-channel digital input module with TTL or 24 V range.


CANSAS - Fields of application

· Road and rail vehicles, air and space travel, manufacturing and power plants, etc.
· Wherever measurement signals from scattered sites are to be transferred cheaply and noise-free to a central collector
· Implementation of analog sensors on intelligent CAN-bus sensors
· In cases requiring inexpensive, potential-isolated acquisition of many channels
· Wherever conditions in the measurement's environment require a compact, robust structure and a wide temperature range, so that conventional measurement equipment is not an option


CANSAS as a Personal Analyser

Real-time processing of measured data CANSAS is also a Personal Analyser enabling any kind of processing of measurement data in real-time. In conjunction with a high-performance digital signal processor and the parameterizing software, virtual channels can be set up. The calculation instructions are entered using simple, conventional mathematical notation. Virtual (computed) channels are treated just as any other channels. Performing additional data processing on the virtual channels is thus possible.


CANSAS Functions

· Basic arithmetic
· Basic mathematical functions such as: absolute value, value assignment, square root, sawtooth...
· Bitwise and normal logical operators
· Comparison functions such as "Greater than" "Less than" ...
· Statistics functions such as "min., max., mean value, root-mean-square" ...
· Functions governing the housing LED's as status indicators
· Conversion functions
· Nonlinear filter functions such as: hysteresis filter, median filter, slope limiting Schmitt-trigger...
· linear filters such as: low-pass, high-pass, band-pass, smoothing ....

Online resources
You can find manuals and technical Specs in the download area (login required).