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This CPU module executes user logic for SIMATIC S5 automation systems. It manages I/O data and communication tasks for industrial control applications. Therefore, this component suits mid-sized automation projects in manufacturing and process industries.
Physical Dimensions and Weight Specifications
The Siemens 6ES5436-6AB11 occupies one standard slot in the S5 rack. Its housing measures 233 mm in depth for backplane connectivity. The module weighs approximately 0.56 kg for straightforward handling. Consequently, technicians can install this unit without additional rack reinforcement.
| Parameter | Specification |
|---|---|
| Product Model | Siemens 6ES5436-6AB11 |
| Slot Width | 1 x standard S5 slot |
| Depth | 233 mm |
| Height | 260 mm |
| Weight | 0.56 kg |
Interface Types and Connection Layout
The Siemens 6ES5436-6AB11 provides one RS-232 port for programming access. A second RS-422 interface supports connection to remote operator panels. The front panel carries a 20-pin connector for external expansion modules. Hence, users can access the CPU using standard Siemens cables.
Component Count and Onboard Memory
This CPU module contains one main board with a 16-bit microcontroller. The board includes 32 KB of RAM for user program execution. You will also find 64 KB of EPROM for non-volatile storage. An onboard lithium battery retains RAM data for up to 200 days.
| Technical Feature | Description |
|---|---|
| Processor Type | 16-bit Siemens ASIC |
| RAM Capacity | 32 KB (battery-backed) |
| EPROM Capacity | 64 KB |
| Clock Speed | 12 MHz |
| Communication Ports | RS-232, RS-422 |
Energy Storage and Power Consumption
The Siemens 6ES5436-6AB11 draws 180 mA from the 5V backplane supply. A lithium coin cell provides backup power for the RAM storage. This battery maintains program and data for 200 days without external power. Therefore, the CPU retains critical information during extended plant shutdowns.
Processing Speed and I/O Capacity
The processor executes 1.5 microseconds per bit logic instruction. It handles up to 256 digital I/O points within a single scan. Users can store up to 256 function blocks in the EPROM memory. This capacity supports moderate automation tasks for conveyors and packaging machines.