Siemens 6ES5701-2LA11 Mounting Rack SIMATIC S5-115U 8-Slot

Technical Overview

The 6ES5701-2LA11 mounting rack provides a robust mechanical foundation for SIMATIC S5-115U automation components. This rack accommodates up to 8 modules, including CPU, power supply, and I/O units. The integrated backplane bus ensures reliable power distribution and signal exchange across all slots. Moreover, the rack’s durable steel construction withstands demanding industrial environments and resists mechanical stress.

Key Technical Specifications

Parameter	Specification
Brand	Siemens
Model Number	6ES5701-2LA11
Product Type	Mounting Rack
Series	SIMATIC S5
Slot Count	Up to 8 slots
Fixed Slot Assignment	Slot 1 for CPU, slot 2 for power supply
Backplane Bus	Integrated for data and power distribution
Mounting Style	Rack-mounted or panel-mounted
Material	Steel with protective coating
Approx. Dimensions	450mm x 300mm x 150mm
Approx. Weight	2.5 kg
Compatibility	S5-115U modules

Slot Architecture and Flexibility

The rack features a fixed slot arrangement with slot 1 dedicated to the CPU and slot 2 for the power supply. The remaining six slots accept any combination of digital or analog I/O modules, communication processors, and function modules. This clear structure simplifies system configuration.

Integrated Backplane for Reliable Communication

The 6ES5701-2LA11 includes a fully integrated backplane bus. This bus distributes both operating voltage and data signals to all connected modules. Consequently, engineers can add or replace modules without complex wiring.

Construction and System Integration

The robust steel housing protects the installed modules from dust and accidental impact. Users can mount this rack either horizontally in 19-inch cabinets or directly onto control room panels. The rack’s straightforward design ensures fast installation and easy maintenance access.