Meaning of the LEDs
Provides a detailed breakdown of the RN/ER/MT LED status and error indications and their remedies.
Error Display
Lists possible error causes and their remedies based on error type and location.
Interrupts
Explains how the I/O device generates and evaluates interrupts based on error events.
System Diagnostics
Describes the availability and use of updated system diagnostics in STEP 7 (TIA Portal).
Alarms
Details actions taken after a diagnostics alarm, including LED flashing and OB calls.
Maintenance Events
Describes maintenance events that signal when network components need checking or replacement.
Channel Diagnostics
Provides information about channel faults and how they are mapped as diagnostics data.
USI Structure = W#16#0007
Defines the USI structure for diagnostics when operation is not possible with existing bus configuration.
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