Product Overview
The Siemens 6ES5700-0LA11 provides the foundational backplane for S5 series PLC system construction. This central rack accommodates multiple modules within a standardized mechanical framework. Control engineers use this unit as the primary housing for CPU, power supply, and I/O cards.
Technical Specifications
This rack incorporates 12 module slots with a passive backplane for signal distribution. The Siemens 6ES5700-0LA11 features a heavy-gauge steel chassis that resists physical stress during operation. Its modular slot architecture allows flexible arrangement of various functional cards. The rack’s integrated bus system ensures high-speed communication between all inserted components.
| Parameter | Specification |
|---|---|
| Product Type | Central Mounting Rack / Main Backplane |
| Series Compatibility | Siemens SIMATIC S5 (all sub-racks) |
| Dimensions (W x H x D) | 495 mm x 290 mm x 210 mm |
| Weight | Approximately 3.2 kg (unpopulated) |
| Number of Slots | 12 standard S5 module slots |
| Slot Pitch | 25 mm per slot |
| Bus Architecture | Passive S5 backplane with parallel bus |
| Bus Width | 8-bit data bus, 16-bit address bus |
| Number of Bus Connectors | 12 edge connectors (one per slot) |
| Segment Capacity | Supports up to 4 segments with segment couplers |
| Mounting Method | DIN rail or rear screw-mounting brackets |
| Energy Storage | None (passive design; no onboard components) |
| Current Rating | Maximum 8 A total across all modules |
| Protection Class | IP20 (with modules installed) |
| Material | Zinc-plated steel with corrosion-resistant finish |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Mechanical Design
This rack features precision-machined guide rails for smooth module insertion and extraction. The Siemens 6ES5700-0LA11 includes a durable backplane PCB with gold-plated edge connectors. Its robust construction minimizes vibration effects on inserted cards. The chassis provides cable routing channels on the top and bottom sides.
System Integration
Engineers install this rack within standard 19-inch cabinet frames using supplied mounting hardware. The Siemens 6ES5700-0LA11 accommodates CPU modules in any slot position except the far-left location. The power supply unit typically occupies the first slot for proper bus initialization. This rack supports both local and expansion configurations through segment couplers.
Configuration Flexibility
This central rack holds a combination of digital and analog I/O modules as needed. The Siemens 6ES5700-0LA11 also accepts function modules, communication processors, and special-purpose cards. System designers can populate the 12 slots according to application requirements. The passive backplane imposes no restrictions on slot assignments.
Application Scenarios
Machine builders select this rack for medium to large-scale automation projects. Process industries deploy it in control rooms for centralized system architecture. The Siemens 6ES5700-0LA11 also appears in test facilities and power generation plants.
Details
| Weight | 0.15 kg |
|---|---|
| Dimensions | 25 × 130 × 100 mm |
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