Siemens SIMATIC S7-1500R/H Manuale - Pagina 30

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Interrupts, diagnostics, error messages and system

events

4.1

Status and error display of the CPU

The LED displays of the CPU are described below.

You can find more detailed information on "Interrupts" in the STEP 7 online help.

You can find additional information on the topic of "Diagnostics" and "System events" in the

Diagnostics (http://support.automation.siemens.com/WW/view/en/59192926) function

manual and in the system manual Redundant System S7-1500R/H

(https://support.industry.siemens.com/cs/ww/en/view/109754833).

You can find additional information on the topic of "Operating states and system states" as

well as various failure scenarios in the system manual for S7-1500R/H Redundant System

(https://support.industry.siemens.com/cs/ww/en/view/109754833).

LED display

The figure below shows the LED displays of the CPU 1517H-3 PN.

①

②

③

④

⑤

⑥

⑦

⑧

⑨

Figure 4-1

CPU 1517H-3 PN (6ES7517-3HP00-0AB0)

Equipment Manual, 11/2019, A5E42011886-AB

RUN/STOP LED (yellow/green LED)

ERROR LED (red LED)

MAINT LED (yellow LED)

LINK RX/TX LED for port X3 P1 (yellow/green LED)

LINK RX/TX LED for port X4 P1 (yellow/green LED)

No function

LINK RX/TX LED for port X1 P1 (yellow/green LED)

LINK RX/TX LED for port X1 P2 (yellow/green LED)

LINK RX/TX LED for port X2 P1 (yellow/green LED)

LED display of the CPU 1517H-3 PN (without front panel)