Siemens Simatic S7-1500 - 6 Interrupts;Diagnostics Alarms; Status and Error Displays; Status and Error Displays of the CPU Part

CPU 1512C-1 PN (6ES7512-1CK00-0AB0)
115 Manual, 09/2016, A5E35306440-AB
Interrupts/diagnostics alarms
6
6.1
Status and error displays
6.1.1
Status and error displays of the CPU part
LED display
The figure below shows the LED displays of the CPU part.
①
RUN/STOP LED (yellow/green LED)
②
ERROR LED (red LED)
③
MAINT LED (yellow LED)
④
LINK RX/TX LED for port X1 P1 (yellow/green LED)
⑤
LINK RX/TX LED for port X1 P2 (yellow/green LED)
Figure 6-1 LED display of the CPU 1512C-1 PN (without front panel)