Specifications

DI 32x24VDC HF digital input module (6ES7521-1BL00-0AB0)
36 Manual, 04/2015, A5E03485935-AE
Interrupts/diagnostics alarms
5
5.1
Status and error displays
LED displays
The following figure shows you the LED displays (status and error displays) of
DI 32x24VDC HF.
Figure 5-1 LED displays of the module DI 32x24VDC HF
Meaning of the LED displays
The following tables explain the meaning of the status and error displays. Remedial
measures for diagnostic reports can be found in chapter Diagnostics alarms (Page 40).