Diagnostics alarms
The module has no selectable diagnostics. Diagnostics alarms, for example, cannot be
output with STEP 7 (TIA Portal).
5.1
Status and error displays
LED displays
The figure below shows you the LED displays (status and error displays) of the
DI 16x24VDC BA.
Figure 5-1
Digital input module DI 16x24VDC BA (6ES7521-1BH10-0AA0)
Manual, 09/2014, A5E32363114-AB
LED displays of the module DI 16x24VDC BA
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