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Product Overview
This failsafe CPU combines standard automation with comprehensive safety functions for the S7-1500 system. It features a powerful processor with 3 MB of working memory for program execution. The CPU executes 1,000 binary instructions in approximately 0.02 ms for high-speed control. It measures 35 mm in width, 147 mm in height, and 129 mm in depth. The device weighs roughly 450 grams for standard DIN rail mounting. You can operate this controller in ambient temperatures from 0 °C to 60 °C.
The processor includes two integrated PROFINET interfaces with two-port switches. These interfaces support real-time communication and safety-related data exchange. The CPU also provides a PROFIBUS DP master interface for legacy devices. It accommodates up to 128 connected I/O modules for extensive system expansion. The unit includes a memory card slot for program backup and firmware updates.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Failsafe CPU |
| Model | 6ES7517-3UP00-0AB0 |
| Working Memory | 3 MB |
| Execution Speed | 0.02 ms / 1,000 binary instructions |
| PROFINET Interfaces | 2 (with 2-port switch each) |
| PROFIBUS DP Interface | Yes (master) |
| Max I/O Modules | 128 |
| Safety Integrity | SIL 3 (IEC 61508), PL e (ISO 13849) |
| Memory Card Slot | Yes (SIMATIC memory card) |
| Supply Voltage | 24 V DC |
| Power Loss | Typ. 6.8 W |
| Dimensions (W x H x D) | 35 mm x 147 mm x 129 mm |
| Weight | Approx. 450 g |
| Mounting | DIN rail (EN 60715) |
| Operating Temperature | 0 °C to 60 °C |
| Programming Software | TIA Portal (STEP 7 Safety Advanced) |
Key Features and Benefits
This CPU handles both standard and safety-related control tasks in a single device. Its integrated safety functions comply with the highest industry standards. The fast processing speed supports demanding motion control applications. You can use the PROFIBUS DP interface for connecting existing equipment. The CPU also provides comprehensive diagnostic and troubleshooting capabilities.
Installation and Configuration
You clip the CPU onto the DIN rail and connect the 24 V DC power supply. Insert a memory card for additional program storage and firmware updates. You then configure the device using the TIA Portal with STEP 7 Safety Advanced. Assign network parameters to the PROFINET and PROFIBUS interfaces. Create both standard and safety-related program sections separately. Download the complete project through Ethernet or the programming port.
Typical Applications
Machine tools use this CPU for integrated safety and axis control. Packaging machinery relies on it for emergency stop and door monitoring. The processor also serves in robotics and materials handling systems.