Siemens SIMATIC S7-1500R/H 장비 매뉴얼 - 페이지 16

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Siemens SIMATIC S7-1500R/H에 대해서도 마찬가지입니다: 매뉴얼 (42 페이지), 매뉴얼 (46 페이지), 장비 매뉴얼 (44 페이지), 매뉴얼 (45 페이지)

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Product overview

3.4 Firmware functions

3.4

Firmware functions

Functions

CPU 1518HF‑4 PN supports the following firmware functions:

Function

CPU redundancy

Safety Integrated

Integrated system

diagnostics

Integrated trace

functionality

PROFINET IO

System redundancy S2

System redundancy R1

Description

There are two duplicate CPUs that synchronize their data

via two duplex fiber-optic cables, which connect the

CPUs directly to each other via plug-in synchronization

modules. If one of the CPUs fails, the other CPU retains

control of the process.

The integrated F-functionality processes standard and

safety programs.

This allows fail-safe data to be evaluated in the standard

user program. As a result of the integration, the system

advantages and the extensive functionality of SIMATIC

are also available for fail-safe applications.

The F-CPU is certified for use in safety mode up to:

•

Safety Integrity Level SIL3 acc. to IEC 61508

•

Performance Level (PL) e and Category 4 according to

ISO 13849-1:2006 or according to EN ISO 13849-1

Additional password protection for F-configuration and

F-program is set up for IT security.

The system automatically generates the messages for the

system diagnostics and outputs these messages via a

programming device/PC, HMI device or the integrated

display. System diagnostics information is also available

when the CPUs are in operating state STOP.

Trace functionality supports you in troubleshooting

and/or optimizing the user program.

You record device tags and evaluate the recordings with

the trace and logic analyzer function. Tags are, for

example, drive parameters or system and user tags of a

CPU.

Trace and logic analyzer functions are suitable for monit

oring highly dynamic processes.

Note: Note that the S7-1500R/H redundant system sup

ports recording of measurements. However, saving the

measurements to the SIMATIC memory card is not sup

ported.

IO-Devices with S2 system redundancy enable uninter

rupted operation during a primary backup switchover.

If the role of the CPUs changes, the new primary CPU

takes over the PROFINET IO communication.

IO devices with R1 system redundancy are equipped with

two interface modules compared to S2 devices.

If one interface module fails, the R1 device can still be

reached by the H-CPUs via the second interface module.

Thus, R1 devices have a higher availability than S2

devices.

Additional information

Redundant System S7‑1500R/H