Siemens 6GK5204-2BB10-2AA3 Detailed Analysis
I. Basic Product Information
Order Number: 6GK5204-2BB10-2AA3
Product Name: SIMATIC S7-400H CPU 417-5H PN/DP Redundant Central Processor
Applicable Systems: S7-400H (High Availability Redundant PLC), S7-400F/FH (Safety-Reliable Redundant System)
Programming Software Requirements: STEP7 V5.5 SP2 HF1 and above versions
Firmware Version: V6.0/V7.0
Origin: Germany
Core Storage and Performance Parameters
Built-in Working Memory: 32MB
Program Storage Area: 16MB
Data Storage Area: 16MB
Expandable Storage Card: Flash EPROM up to 64MB; RAM Card up to 64MB
Supports CiR (On-the-Fly Hardware Configuration Modification), Redundant Synchronization can be updated online for IO Configuration without Stopping
Extremely Strong Computing Capability, Suitable for Large-scale DCS/Interlock Control Projects in Super Large-scale Facilities such as Petrochemicals, Power Plants, and Long-Distance Pipelines
Interface Configuration (Total 5 Interfaces)
1 × MPI/DP Composite Interface: Used for Programming Download, MPI Networking, PROFIBUS DP Communication
1 × Independent PROFIBUS DP Master Interface: Connects a Large Number of Remote ET200M/ET200S Distributed IO
1 × PN Integrated Profinet Ethernet Port: Upper Computer Communication, HMI, SCADA, OPC, Industrial Local Area Network Interconnection
2 × Synchronous Module Special Interface: Used for Fiber Optic Redundant Synchronization between Two CPUs, Achieving Seamless Switching of Main/Backup CPUs without Interruption, Switching Time in Millisecond Level, Production Continuity Not Interrupted
Two Core Function Modes
1. S7-400H High Availability Redundancy Mode
Two Completely Identical 417-5H CPUs are Installed in Pairs, All Programs, Data, and IO States are Real-time Synchronized via Synchronous Fiber
When the Main CPU Fails, the Backup CPU Seamless Takes Over, Zero Shutdown, No Data Loss, Suitable for Continuous Production Facilities (Chemical, Power, Oil and Gas)
2. S7-400F/FH Fault Safety Mode
Combined with F-Runtime Safety Authorization, Can Write F Safety Programs, Meet SIL3 Safety Level, Can be Used for ESD Emergency Stop, Boiler Furnace Safety, Unit Interlock Protection, Balancing Redundant Fault Tolerance + Functional Safety
Electrical Power Consumption
Backplane 5V DC Power Supply: Typical Current 1.6A, Maximum 1.9A
Overall Power Consumption Approximately 7.5W
Powered by Rack PS40x Power Module, No External 24V Supply Terminal
Supports Battery Data Retention, Can Long-Term Save Programs and Variables in Case of Power Failure
Typical Industry Applications
Full Factory DCS + ESD Integrated Control for Petrochemical Refining, Ethylene Plants
Main/Secondary Equipment, Steam Turbine Protection System of Thermal Power Plants
Redundant Control System for Gas Pipeline Compression Stations, LNG Receiving Stations
Continuous Production Line of Large-scale Rolling Mills, Eliminating CPU Shutdown Causing Complete Line Shutdown
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