ABB Module DSTA131 57120001-CV ABB DSTA131 57120001-CV DSTA 131 CIRCUIT BOARD DSTA affordable price

Product Description:

In order to avoid measurement errors, it is absolutely necessary,to lead the cores to the Pt100 sensors in the same cable. The cores must have the same cross section. Per channel, a twisted pair is used (for the two terminals of the Pt100 sensors) plus a single core (half of a twisted pair) for the connection to AGND1.Depending on the configured operating mode, the measured value is assigned linearly as follows: Range assigned numerical value range 50 C...400°C -1022...+8190 (FC02H...1FFEH)50 C...70°C -1022...+1433 (FC02H...0599H)The 07 KT 94 unit linearizes the Pt100 characteristic.Temperatures that exceed the measuring range cause the overflow numerical value of +32767. If the measured value is below the range, the underflow numerical value of -32767 is set.

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Product's Character:

Input currents that exceed the measuring range cause the overflow numerical value of +32767. If the measured value is below the range, the underflow numerical value of -32767 is set.The input impedance is ca. 330 Ω. The current input has a self-protecting mechanism. If the input current gets too
high, the shunt is switched off and the value for range overflow is generated. About every second, the unit tries to switch on the shunt again. In this way the correct measurement will succeed after the current has reached a normal value again.The trigger of the self-protecting mechanism is displayed
by the red LED Ovl as long as the overload is present. In the PLC system an error message is then stored (FK4,error number 4).The open-circuit monitoring begins below ca. 3 mA.

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