Siemens SIMATIC ET 200SP HA Equipment Manual - Page 33

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Siemens SIMATIC ET 200SP HA Equipment Manual
7.2.3

Channel status / fault LEDs

Definition
The channel status and channel fault LEDs provide you information about the status and faults
of the channels.
Description
The channel status and channel fault LEDs indicate the following:
Channel
status LED
7.2.4

PWR LED

Definition
The PWR LED provides you status information about supply voltage L+.
Description
The PWR LED indicates the following status:
7.3

Interrupts

Definition
A diagnostic interrupt is an alarm that reports activated events of a device status to the system
operator with the appropriate operator authorization (maintenance and service).
DI 16xNAMUR HA
Equipment Manual, 08/2019, A5E39293880-AD
Channel
Meaning
fault LED
Channel deactivated or module switched off
Off
Off
Channel enabled and no channel/module diagnostics pending.
On
Off
Channel enabled and channel diagnostics/module diagnostics pending.
Off
On
PWR LED
Meaning
Supply voltage L+ missing.
Off
Supply voltage L+ present.
On
Displays and interrupts
7.3 Interrupts
33