CANADC40M
device is intended for measurements of output currents and voltages in multichannel
controlled power supplies. It may be used as general purpose multichannel
ADC. The device has optoisolated input and output registers on-board. It gives
an opportunity to build simple systems with the single devices. You can read
a detail description of device in pdf-file.
The device consist of:
- 40-channels ADC with differential inputs and PGA;
- 8-channel optoisolated output register;
- 8-channel optoisolated input register;
- CANBUS interface for communication with control computer;
- embedded microcontroller.
40-channels ADC design is based on delta-sigma
ADC chip, programmable gain amplifier and analog multiplexers. An embedded microprocessor
provides multichannel (from 1 up to 40) measurements or fast measurements of
single channel. Measured values may be sent to a control computer or may be
stored in on-board memory. Stored values may be sent to a control computer after
special request from network. Measurements of all devices in network or programmable
group of devices may be started or breaked by single broadcast message.
Parameters of CANADC40M:
- resolution of ADC 24 bits;
- accuracy 0.03%;
- input ranges 10V, 1V (and additional ranges 100 and 10 mV);
- channels of output register 8;
- channels of input register 8.
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Victor Kozak, Novosibirsk, 22-may-2014.
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