• Analog input (ADC): 24 bit
  • Total conversion frequency up to 8 kHz
  • Analog output (DAC): 16 bit
  • Total conversion frequency up to 200 kHz

POR (price on request)


of ZET 220 ADC DAC modules

Analog input (ADC)
Number of inputs 16 inphase
8 differential
ADC – number of digits 24
Total frequency conversion by active channels from 80 Hz up to 8 kHz
Dynamic range 120 dB
Max FR uneveness in the range  10 Hz…2 kHz 1 dB
Max input voltage ±10 V
Input impedance 100 kOhm
Inputs protection (power on) ±30 V
Inputs protection (power off) ±30 V
Inter-channel interference -90 dB
Input capacitance 20 pF
Analog output (DAC)
Number of outputs 2 inphase
1 differential
Total conversion frequency of active channels up to 200 kHz
Max output power value ±10 V
DAC: number of digits 16
Digital input/ output
Bits number per input/output 8 bit
FIFO-buffer 16 Kwords
Digital input/output logic type TTL
Operational specifications
Dimensions 90 × 110 × 35 mm
Weight 0,3 kg
Analog input/output connector type (mating connector is included into the delivery scope) DSUB DB-25
Digital input/output connector type (mating connector is included into the delivery scope) DSUB DB-9


of ZET 220 ADC DAC modules


deployment of multi-channel distributed systems

simplification of automated systems development


reduction of costs for new developments


by means of several modules integration


digital processing of  signals with their subsequent record to the flash drive (without PC)


(field use, measurements performance at structural elements)


portable laboratory


of ZET 220 ADC DAC modules

ZET 220 ADC DAC module with 24-digit ADC converters is used for high-precision signals measurements in wide dynamic range. The signals to be measured are received from primary transducers – for instance, from sensors with 4-20 mA current output.

ZETLAB BASE Software delivered together with ZET 220 ADC DAC module enables measurements and control performance immediately as the PC connection is established. ZETLAB BASE Software includes all the programs necessary for tests and measurements by several channels, control of the measured values and current parameters transfer to PC.

Main functions

of ZET 220 ADC DAC modules


signals shape representation


signals receipt and transfer by network

Structural scheme

of ZET 220 ADC DAC modules

The block diagram of the ADC-DAC module

16-channel multiplexer switch sequentially connects all the selected channels to a single operational amplifier at equal time intervals. As the channels are switched over, the signal processor produces a command to start ADC conversion. As the conversion is over, the ADC forms ready flag and signal processor operation is suspended.

The signal processor saves the data in the integrated memory and then transfers it to the USB controller or records it to a flash drive.

Data from internal memory of the signal processor are forwarded to two independent DAC converters. DAC output signal is formed by operational amplifiers.

The module has galvanic separation of output analog signals and digital circuits. Maximum voltage difference between digital and analog grounding is 500 V.

Major application spheres

of ZET 220 ADC DAC modules

Basic delivery scope

of ZET 220 ADC DAC modules

Basic configuration of ADC DAC modules

ZET 220 ADC DAC module delivery scope includes:

  • ZET 220 ADC DAC module;
  • HighSpeed USB 2.0 cable;
  • terminal board;
  • DB-9 and DB-25  (mating connection);
  • CD with drivers and  ZETLAB BASE software;
  • set of operational documentation;
  • galvanic separation unit of analog inputs/ outputs from PC casing (400 V).

Additionl options

for ZET 220 ADC DAC modules

Signal amplifier ZET 410
ZET 410
Signal amplifier without galvanic separation

Signal amplifier with pseudo galvanic
ZET 412
Signal amplifier with galvanic separation

Battery pack
Batteries module
Set of 5 V batteries (2700 mAh – 4 pcs.)

Autonomous recorder and flash drive
 Off-line recorder
Digital off-line recorder

Multichannel distributed data collection system
Distributed data acquisition system

Recording and playback facilities
Data recording and representation
Software programs for data recording and representation

scada system ZETLAB

For technological processes automated control

Software Developer Tools
Development environment for virtual tools creation

Power Supply
Power supply module 220 V→ 5 V
For modules power supply in off-line mode of operation

Power over Interface
Ethernet interface 10/100
Software for PC Ethernet connection

Power supply via Ethernet
Power supply via Ethernet
Power supply via Ethernet at the distance up to 100 m

WI-FI interface
WI-FI interface
For WiFi data transfer

Measuring instruments that can be connected to ZET 220 ADC DAC module

BC 201
Capacitance accelerometer

BC 202
Capacitance accelerometer

BC 501

RPM sensor
BC 401
RPM sensor

ZET 220 ADC DAC modules:

quick start

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