Table 3- 3 Possible States Of The Mstr, Rack0 And Rack1 Leds; Table 3- 4 Possible States Of The Intf And Extf Leds; Table 3- 5 Possible States Of The Bus1F, Bus5F, And Bus8F Leds - Siemens SIMATIC CPU 410 System Manual

Configuration of the CPU 410
3.3 Status and error displays
MSTR, RACK0, and RACK1 LEDs
The three LEDs MSTR, RACK0, and RACK1 provide information about the rack number set
on the CPU and show which CPU controls the switched I/O.
Table 3- 3 Possible states of the MSTR, RACK0 and RACK1 LEDs
LED
MSTR RACK0
Lit Irrelevant
Irrelevant Lit
Irrelevant Dark
INTF and EXTF LEDs
The two INTF and EXTF LEDs provide information about errors and other particular things
that happen during user program execution.
Table 3- 4 Possible states of the INTF and EXTF LEDs
LED
INTF EXTF
Lit Irrelevant
Irrelevant Lit
BUS1F, BUS5F, and BUS8F LEDs
The BUS1F, BUS5F and BUS8F LEDs indicate errors associated with the PROFIBUS DP
interface and the PROFINET IO interfaces.
Table 3- 5 Possible states of the BUS1F, BUS5F, and BUS8F LEDs
LED
BUS1F BUS5F
Lit Irrelevant
Irrelevant Lit
Irrelevant Irrelevant
Irrelevant Flashes
Irrelevant Irrelevant
Flashes Irrelevant
42
RACK1
Irrelevant
Dark
Lit
Meaning
An internal error was detected (programming, parameter assignment, or license
error).
An external error has been detected (i.e. an error not caused by the CPU)
BUS8F
Irrelevant An error was detected on the PROFIBUS DP interface X1.
Irrelevant An error was detected on the first PROFINET IO interface X5.
A PROFINET IO system is configured but not connected.
Lit An error was detected on the second PROFINET IO interface X8.
A PROFINET IO system is configured but not connected.
Irrelevant One or more devices on the first PROFINET IO interface X5 is not responding.
Flashes One or more devices on the second PROFINET IO interface X8 is not responding.
Irrelevant One or more slaves on the PROFIBUS DP interface X1 is not responding.
Meaning
CPU controls switched I/O
CPU on rack number 0
CPU on rack number 1
Meaning
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC