Siemens 6ES7656-8DP30-3GF0 PCS7 Redundant Automation Station

Feature & Principle

It is a pre-configured PCS7 redundant automation station bundle based on S7-400H. Dual CPUs run synchronously, hot standby redundancy ensures uninterrupted control when one CPU fails. It communicates with distributed I/O via PROFIBUS DP, supports CFC, SFC programming, process alarm and interlock control, connects to OS operator station for centralized monitoring.

Specifications

Model: 6ES7656-8DP30-3GF0 Brand: Siemens Series: SIMATIC PCS7 Controller: S7-400H redundant CPU Bus interface: PROFIBUS DP Programming: CFC, SFC, STL Redundancy: Hot standby Power supply: 24VDC Mounting: Rack installation Application: Chemical, petrochemical, power plant DCS Certification: CE, IEC

Components & Diagnostics

Redundant CPU modules, synchronization module, power supply, communication processor, rack, front connector. Common faults: synchronization loss, PROFIBUS communication breakdown, CPU failure, power module fault, I/O link abnormal.

Product Brief

6ES7656-8DP30-3GF0 PCS7 redundant automation station bundle, Siemens DCS spare widely used for chemical plant and oil & gas process control cabinet maintenance and replacement.