ABB Module DSSR170 48990001-PC 3HAC14265-1 ABB DSSR170 48990001PC 3HAC142651

Product Specification

ABB Module DSSR170 48990001-PC 3HAC14265-1 ABB DSSR170 48990001PC 3HAC142651 Power supply Fast shipping

Product Description:

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. The value of the range underflow is stored. If the ope circuit monitoring is configured, the open-circuit event is displayed by the red LED Ovl as long as it is present. In the PLC system an error message is stored (FK4, error number 9). The following figure shows the connection of 2-pole passive- type analog sensors 4...20 mA. If the analog current sensors 4...20 mA are powered from a separate power supply unit, the reference potentials 0V (of the separate power supply unit and the power supply unit for the 07 KT 94) must be interconnected
to each other.In the above example, the AGND terminal remains
unused.

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Product's Character:

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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