Siemens simatic s7-400 FM 450-1 - Errors and Diagnostics

Counter module FM 450-1
Manual, 02/2014, A5E03648739-02
107
Errors and diagnostics
11
11.1
Chapter overview
Chapter overview
Errors can occur owing to operator errrs or incorrect wiring which the module must
communicate to the user.
The errors and faults are divided into the following classes on the module:
● Faults displayed by the diagnostics LEDs that indicate internal and external module
faults.
● Faults that can trigger a diagnostics interrupt.
● Operator errors caused by incorrect operation.
The different classes of errors are indicated and displayed in different positions and must be
acknowledged in different ways.
This chapter describes
● which errors and faults can occur,
● where these errors and faults are displayed and
● how you acknowledge them.