Introduction to the CPU 410
2.7 I/O configuration variants of the fault-tolerant system
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
31
I/O configuration variants of the fault-tolerant system
I/O configuration variants
The following configuration variants are available for the input/output modules:
● In stand-alone operation: one-sided configuration.
In the one-sided configuration, there is a single set of the input/output modules (single-
channel) that are addressed by the CPU.
● In redundant operation: Single-channel switched configuration with enhanced availability.
In the single-channel switched distributed configuration, there is a single set of the I/O
modules, but they can be addressed by both subsystems.
● In redundant operation: Dual-channel configuration with maximum availability.
In dual-channel switched configuration, there are two of each of the input/output modules
and the modules can be addressed by both subsystems.
Configuration tools (STEP 7 HW Config, SIMATIC PCS 7)
Like S7-400, CPU 410-5H Process Automation is configured with STEP 7 HW Config.
You can find information on limitations for configuring CPUs and the fault-tolerant system in
the STEP 7 HW Config online help.
You can use all optional packages available in SIMATIC PCS 7.
The SIMATIC PCS 7 project
STEP 7
STEP 7 is the core component for configuring the SIMATIC PCS 7 process control system
with the engineering system.
STEP 7 supports the various tasks involved in creating a project with the following project
views:
● Component view (HW Config)
● Process object view
● Technological perspective
The hardware that you need in a SIMATIC project, such as automation systems,
communication components, and process I/O, is stored in an electronic catalog. You
configure this hardware and assign the hardware parameters with HW Config.
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