Siemens SIMATIC ET 200SP Manual page 29

DQ operating mode DQ (valve control)
3.3 Interrupts/diagnostics alarms
Meaning of the LEDs
The following tables contain the meaning of the Status and error displays. Corrective
measures for diagnostics alarms can be found in the section Diagnostics alarms.
DIAG LED
Table 3- 2
Channel status LED
Table 3- 3
Channel status LED
OVS LED and PWM LED
Table 3- 4
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Error display of the DIAG LED
DIAG LED Meaning
Backplane bus supply of the ET 200SP not OK
Off
Module parameters not assigned
Flashes
Module parameters assigned and no module diagnostics
On
Module parameters assigned and module diagnostics
Flashes
Status display of the channel status LED
Meaning
Channel deactivated or process signal = 0
Off
Channel activated and process signal = 1
On
Status display of the oversampling LED
OVS LED PWM LED
Off Off
On Off
Off On
On On
Meaning
DQ operating mode (valve control) active
Oversampling operating mode active
Pulse width modulation operating mode active
Cam control (MCC) operating mode active
Digital output module DQ 4x24VDC/2A HS (6ES7132-6BD20-0DA0)
Manual, 06/2018, A5E32855695-AC