Pepperl+Fuchs K23-SSI/Rx/IU-C, Manual

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2. General Information
The device is designed as a signal converter with control inputs and outputs. Its
extensive functions make it suitable for universal use.
2.1 Operating Modes
In general, all functions must be configured in the parameter menu. The device
can be used in the following operating modes:

Operation as a frequency converter for incremental input signals

Operation as a position converter/counter for incremental input signals

Operation as an absolute value converter for SSI signals
2.2 Function Diagram
2.3 Power LED / Error Messages
The device has a green LED on the front film. This lights up continuously as soon
as the supply voltage of the device has been established. If an error occurs, the
LED flashes in a 1-Hz cycle. The analog output is also modulated with 0 V or
0/4 mA. When there is no longer an error, the LED automatically lights up
continuously again and the analog output reacts once more to the result currently
pending.
The exact error can be read out on the user interface (OS 6.0) via the serial
interface. (

Variable: Error_Status, Code: ";3"). See Chapter 4.