Evaluating Diagnostic Messages - Siemens SIMATIC ET 200S Operating Instructions Manual

2.1.7

Evaluating diagnostic messages

Introduction
In this example, you generate diagnostic messages by provoking errors on the ET 200S. In
the event of an error, OB 82 is started. You evaluate the start information in OB 82.
Tip: Call SFC13 in OB 82, and evaluate the diagnostic frame.
Removing and inserting the 2 DI DC24V HF digital electronic module
1. Remove the 2 DI DC24V HF electronic module from the terminal module during
2. Observe the status LEDs on the IM 151-1 STANDARD:
3. Evaluate the diagnostic information:
4. Reinsert the removed electronic module into the terminal module.
ET 200S
Operating Instructions, 08/2008, A5E00515771-06
operation.
– SF: lights up → there is a diagnostic message.
– BF: off
– ON: lights up
Result: The ET 200S continues to run error-free.
Result:
– Station status 1 (byte 0): Bit 3 is set → external diagnostics
– ID-related diagnostics: Byte 7.1 is set → slot 2
– Module status: bytes 19.2 / 19.3: 11
Result:
– Status LED on the IM 151-1 STANDARD:
SF: off
BF: off
ON: lights up
– The diagnostic message is deleted.
Brief instructions on commissioning ET 200S
2.1 Commissioning on PROFIBUS DP
→ no module
B
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