ABB Module PCU-03 ABB PCU 03 ABB PCU03 Purging control board Free shipping

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Input 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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Features of the digital inputs/outputs:The 8 digital inputs/outputs are arranged in one group.
The group as a whole is electrically isolated from the rest of the device. The inputs/outputs can be used individually as input, output or re-readable output. If the terminals are used as digital inputs, the input
signal delay can be configured to 7 ms (default) or to 1 ms. The configuration is performed by setting certain bits in the system constant KW 85,01 as follows: If the terminals are used as digital outputs, the output signals "1" are individually monitored by the re-readable input. If the output status is wrong, anoverall error message is generated for the involved output group. The error is displayed by the red LED Ovl. and by error flags of the PLC then. The error could have been caused by overload, shortcircuit
or missing supply voltage UP5/ZP5.

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