Purpose of the development:
For remote data acquisition analog resistive temperature transducers in hazardous areas.
Technical characteristic:
signal conversion time - 80 ms / channel,
accuracy - + -0.1 ° C,
input filter bandwidth - 25 Hz.
The development stage readiness:
Ready for application
Description of the development: () Current resistance values and corresponding current values of temperature stored in the internal registers and memory in the master device (eg, PC) are transmitted to the communication channel with the physical characteristics of the RS-485 and logical MODBUS protocol. Measuring contain respectively 8 (USR 1-8) and 16 (USR 1-16) measurement channels and convert the analog signals of all known low-impedance connecting term.
The controller provides power current of 2 mA sensors. Connection type for each channel can be set individually.