The Siemens SIMATIC 575 chassis is a VMEbus-based enclosure designed to house and protect electronic components in demanding industrial control environments. It serves as the foundational platform for the SIMATIC 505 controller family, supporting multi-vendor and multi-controller configurations with galvanically isolated analog I/O and distributed I/O capabilities across extended distances.
Technical Specifications
System Architecture
• Standard VMEbus integration for multi-vendor, multi-controller solutions
• Remote Channel Controller (RCC) built into CPU board as standard
I/O Configuration and Range
• Supports up to 2048 digital points or mixed configuration of 1024 digital and 1024 analog points
• Up to 16 remote bases per controller
• Remote Base Controller (RBC) maximum distance: 1000 m (3,300 ft.) from CPU
• Distributed I/O (IOCC/DBC): up to 14 DBCs in daisy chain, last DBC up to 396 m (1,300 ft.) from IOCC
• Remote I/O racks: up to 4000 m (15,000 ft.) from controller via 1 Mbps coaxial or twisted-pair cable
• PROFIBUS-DP Type I support at 12 Mbaud: up to 100 m from controller
• PROFIBUS-DP Type I support at 9.6 Kbaud: up to 1200 m from controller
Environmental Conditions
• Operating Temperature: 0 to 60 °C
• Humidity: 95% relative humidity (non-condensing) at 60 °C (IEC 68-2-3 Ca)
• Shock Immunity: IEC 68-2-27 Ea
Electrical
• 575-6660 110 VAC power supply option
– Key Features
• Proportional-Integral-Derivative (PID) loop control functions
• Analog alarm capability with tuneable scan timeline
• Relay Ladder Logic (RLL) program execution for motor starters, solenoids, and control valves
• Special Function Programs (SFPGMs) and Special Function Subroutines (SFSUBs) support
• Input change detection from pushbuttons, limit switches, and analog sensors
• Galvanically isolated analog I/O modules
– Compatibility & Integration
• SIMATIC 505 series I/O modules (digital, analog, intelligent)
• SIMATIC PCS™ compatibility
• Third-party I/O integration via PROFIBUS-DP
• Siemens drives connectivity
Proper chassis and cabinet/rack grounding required for safe operation.
