Diagnosticleds - Siemens SIMATIC S5 IP 281 Equipment Manual

R 11/92
1.3.2 Diagnostic LEDs
Eight (8) LEDs are installed on the front plate.
Readiness indication for the module
Indications for counter 1
Figure 1.2: Front plate with indication and connector elements
General Function Description
Error indication for the module
Counter running indication
Direction indication
Status indication for digital output
Indications for counter 2
Encoder interface
Counter 2
Digital inputs
Digital output
Counter 2
Encoder interface
Counter 1
Digital inputs
Digital output
Counter 1
24 V
1 – 5