Siemens Simatic S7-1500 CPU 1512C-1 PN User Manual

Interrupts/diagnostics alarms
6.1 Status and error displays
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
Manual, 12/2017, A5E40898741-AA
133
Meaning of the LED displays
The following tables explain the meaning of the status and error displays.
RUN/ERROR LED
Table 6- 6 RUN/ERROR status and error displays
LED
Meaning
Remedy
RUN
ERROR
Off Off
No voltage or voltage too low
• Turn on the CPU.
• Check whether too many modules are in-
serted.
Flashes
Off
Digital on-board I/O starts up.
---
On Off
Digital on-board I/O is ready for operation.
On
Flashes
A diagnostics interrupt is pending. Supply volt-
age missing.
Check supply voltage L+.
PWRx LED
Table 6- 7 PWRx status display
PWRx LED
Meaning
Remedy
Off
Supply voltage L+ to module too low or missing Check supply voltage L+.
On
Supply voltage L+ is present and OK. ---

Siemens Simatic S7-1500 CPU 1512C-1 PN Specifications

General

Integrated Interfaces	PROFINET
Data Memory	1 MB
Number of Signal Boards	1
Firmware Version	V2.8
Rated Value (DC)	24 V
Number of PROFINET Ports	2
Number of PROFINET Ports with Switch	2
Integrated Web Server	Yes
Number of Digital Inputs	16
Number of Digital Outputs	16
Number of Analog Outputs	2
Number of High-speed Counters	6
Program Memory	300 KB
Number of Signal Modules	32
Engineering with	STEP 7 Professional V13
Interface Type	Ethernet
Data Storage	Yes
Operating Temperature	0 to 60 °C
Dimensions	147 mm x 129 mm