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Technical Overview
The Siemens 6ES5452-8MR11-Z is a digital output module for the SIMATIC S5-135U programmable controller series. This unit converts logic signals from the CPU into electrical outputs for driving actuators and loads. It features 16 relay output channels, each capable of switching up to 2 A at 230 VAC or 24 VDC. The module includes LED indicators for each output channel. This design provides visual status feedback for troubleshooting.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model Number | 6ES5452-8MR11-Z |
| Product Type | Relay Output Module |
| System Compatibility | SIMATIC S5-135U |
| Number of Outputs | 16 (relay) |
| Contact Configuration | Normally Open (NO) |
| Switching Voltage | 230 VAC / 24 VDC (max) |
| Switching Current | 2 A per contact (resistive) |
| Contact Life | 100,000 operations (min) |
| Switching Time | 10 ms (approx.) |
| Isolation | Relay contacts (field to logic) |
| Power Consumption | 3 W (typical) |
| Terminal Type | 48-pin front connector |
| Dimensions | 233 x 37 x 268 mm |
| Weight | 0.45 kg |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Certifications | CE, UL, CSA |
| Country of Origin | Germany |
Key Features
16 Relay Outputs – The module provides 16 independent relay contacts, making it ideal for driving AC or DC loads.
High Switching Capacity – Each contact switches up to 2 A at 230 VAC or 24 VDC.
Galvanic Isolation – The relay contacts provide complete isolation between field and logic circuits.
Visual Status Indication – LED indicators for each channel simplify diagnostics.
Long Contact Life – The relays withstand 100,000 operations under rated load.
Applications
The Siemens 6ES5452-8MR11-Z is ideal for switching contactors, solenoid valves, heaters, and indicator lamps. It is commonly used in industrial automation, process control, and HVAC applications.