ABB Module DSQC 352A 3HAC 031851-001 ABB DSQC 352A 3HAC 031851001 Serial Measurement unit High quality

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ABB Module DSQC 352A 3HAC 031851-001 ABB DSQC 352A 3HAC 031851001 Serial Measurement unit High quality

Product Description:

In case of a configured plausibility monitoring, range underflow and range overflow by 2...3 % result in an error message (FK4, error number 10). Independent of the configured monitoring, the error values +32767 and -32767 are always generated in case of range underflow and range overflow. Exception: In the measuring range of 0...20 mA only the range overflow is Unused inputs must be configured with "unused". The relationship between the analog input signals and the converted numbers is illustrated in the following figures. be made sure, that the high-speed counter is not configured to the operating modes 1 or 2 (see also the chapter "High-speed counter").Features of the analog inputs:The 8 analog inputs are not electrically isolated.The resolution of the A/D converter is 12 bits. Analog signals are conducted in shielded cables (seeThe analog inputs can be configured individually in a lot of different operating modes (even as digital inputs). The configuration is performed by setting certain bits in the system constants KW 86,00 to KW 86,07 as follows

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nput voltages that exceed the measuring range cause the overflow numerical value of +32767. If the measured value is below the range, the underflow numerical value Input currents that exceed the measuring range cause the overflow numerical value of +32767. If the measuredvalue 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.1 or 2 (see also the chapter "High-speed counter").Features of the analog inputs:The 8 analog inputs are not electrically isolated.The resolution of the A/D converter is 12 bits. Analog signals are conducted in shielded cables (seeThe analog inputs can be configured individually in a lot of different operating modes (even as digital inputs). The configuration is performed by setting certain bits in the system constants KW 86,00 to KW 86,07 as follows

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