Interrupts/diagnostic messages
6.3 Diagnostic messages
Analog input module F-AI 4xI 0(4)..20mA 2-/4-wire HF (6ES7136-6AA00-0CA1)
62 Manual, 08/2018, A5E41448857-AB
Supply voltage outside the nominal range
If the supply voltage L+ is outside the specified value range, the DIAG LED flashes and the
module is passivated.
When the voltage is then recovered (level must remain within the specified value for at least
1 minute (see Technical specifications (Page 64): Voltages, Currents, Potentials)), the DIAG
LED stops flashing. The module remains passivated.
Generally applicable information on diagnostics
Information on diagnostics that pertains to all fail-safe modules (for example, readout of
diagnostics functions or passivation of channels) is available in the SIMATIC Safety –
Configuring and Programming
(http://support.automation.siemens.com/WW/view/en/54110126) manual.
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