ABB Module SNAT603CNT SNAT 603 CNT ABB SNAT603CNT CIRCUIT BOARD machinery

ABB Module SNAT603CNT SNAT 603 CNT ABB SNAT603CNT CIRCUIT BOARD machinery

Product Description:

The technical specifications of the inputs are the same with the other digital inputs, but with the following
exception: Caused by the direct electrical connection with the output, the varistor for demagnetization of inductive loads (see figure above) is also in effect at the input. Therefore, the voltage difference between UP5 and the input signal must not be greater than the limit voltage of the varistor.The limit voltage of the varistor is ca. 36 V. This means,that if UP5 = 24 V, the input signal voltage must be between -12 V and +30 V. If UP5 = 30 V, the input voltage has to be within -6 V and +30 V.If all of the 8 channels of the group are used as inputs,and if in addition the UP5 terminal is left unconnected, no restrictions exist for the inputs. The input signal voltages then may be within -30 V and +30 V. There is no restriction for the input/output group concerning its safety against reversed polarity

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Product's Character:

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 (see "System technology"). 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, an overall 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, short-circuit or missing supply voltage UP5/ZP5. The technical specifications of the outputs are the same as with the other digital outputs.

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