Description
The Siemens SIMATIC S7-300 CPU 317-2 DP (Part Number: 6ES7317-2AK14-0AB0) is an advanced central processing unit designed for processing complex automation programs in large-scale industrial plants. Functioning as the core processing engine of the SIMATIC S7-300 PLC modular family, it collects real-time signals from sensors, executes logic control, and directs field actuators with microsecond-level precision.
Featuring 1 MB of integrated work memory and dual PROFIBUS DP communication interfaces, this CPU excels at handling multi-axis control, large data structures, and extensive distributed I/O systems. For automation engineers and factory owners in Bangladesh, it offers a high-capacity, dependable solution to maintain seamless machinery operation, perform panel retrofits, or safeguard production lines against unexpected control failure.
Key Features
- Expanded 1 MB Work Memory: High-capacity work memory accommodates complex program logic, large data blocks, and demanding sequencing routines.
- Dual Fieldbus Communication Interfaces:
- 1st Interface: Combined MPI/PROFIBUS DP interface (up to 12 Mbit/s) for programming devices, HMI integration, or field devices.
- 2nd Interface: Dedicated PROFIBUS DP Master/Slave interface for fast fieldbus expansion.
- Micro Memory Card Slot: Micro Memory Card (4 MB recommended, up to 8 MB supported) required for non-volatile storage and maintenance-free program backup.
- High-Speed Logic Execution: Processing speed down to 0.025 µs for bit operations, enabling instantaneous response in high-speed manufacturing processes.
- Modular Integration: Connects seamlessly with standard S7-300 expansion modules, function cards (FM), and communication processors (CP).
Technical Advantages
- High Efficiency: Superior program processing capacity minimizes system cycle time, directly improving overall machinery productivity.
- Durable Construction: Industrial-grade housing provides robust shielding against electromagnetic interference (EMI), mechanical vibration, and electrical noise.
- Safety & Diagnostics: Front-facing LED indicators for RUN/STOP, system errors (SF), and bus faults (BF1/BF2) ensure rapid system status inspection.
- Energy Saving: Optimized power utilization with low thermal dissipation (typ. 4.5 W power loss) operating on standard 24V DC control power.
- Easy Maintenance: Battery-free retentive memory via Micro Memory Card eliminates periodic backup battery replacements and reduces routine service effort.
Applications
- Industrial: Large-scale automated production plants, material handling, assembly systems, and heavy process engineering.
- Factory: Textile spinning and weaving mills, garment dyeing units, pharmaceutical cleanroom machinery, and packaging lines.
- Commercial: Water treatment plants, HVAC central control stations, power distribution management, and building automation systems.
- Project Installation: Automation retrofits, control panel expansions, and system modernizations across Bangladesh industrial zones.
Why Choose This Product?
- Unmatched Performance: The 1 MB work memory provides quadruple the memory capacity of smaller S7-300 CPUs, effortlessly managing large-scale industrial processes.
- Field-Proven Reliability: Installed worldwide and across major factories in Bangladesh, delivering years of continuous, uninterrupted operation.
- Cost Effectiveness: Protects existing panel infrastructure by upgrading processing capacity without replacing existing I/O racks and wiring.
- After-Sales Value: Highly supported by local system integrators and automation technicians across Bangladesh for rapid deployment and troubleshooting.
Technical Specification Table
| Specification | Details |
| Model | CPU 317-2 DP (6ES7317-2AK14-0AB0) |
| Brand | Siemens |
| Rated Power | Power loss typ. 4.5 W |
| Voltage | 24 V DC (Permissible range: 19.2 V to 28.8 V DC) |
| Current | Current consumption typ. 850 mA (Inrush current typ. 2.5 A) |
| Frequency | DC Supply (Not Applicable) |
| Efficiency | Not Available |
| Protection | IP20 |
| Dimension | 40 mm x 125 mm x 130 mm (W x H x D) |
| Weight | Approx. 340 g |
| Operating Temperature | 0 °C to +60 °C |
| Warranty | Standard Manufacturer Warranty |
Features List
✓ Expanded 1 MB work memory for complex user applications
✓ Dual PROFIBUS DP / MPI interfaces supporting up to 12 Mbit/s
✓ Ultra-fast execution speed of 0.025 µs per bit operation
✓ Non-volatile memory storage requiring Siemens Micro Memory Card
✓ Compact 40 mm housing width for space-saving panel installation
✓ Battery-free program retention for minimal maintenance
Benefits For Customers
- Eliminates Processing Bottlenecks: Large 1 MB work memory supports multi-function control programs without running out of operational memory space.
- Improves Operational Reliability: Fast execution speeds and industrial-grade construction ensure smooth continuous factory production cycles.
- Saves Maintenance Cost: Maintenance-free memory preservation via MMC eliminates battery replacement cycles and downtime costs.
- Suitable for Bangladesh Environment: Standardized operating temperature capability up to 60 °C inside ventilated industrial control cabinets.
Installation & Maintenance Guide
Installation Requirements:
- Ensure all main panel power sources are disconnected prior to installing or removing PLC hardware modules.
- Mount the CPU unit on the standard SIMATIC S7-300 aluminum DIN rail and secure the backplane bus connector to adjacent cards.
- Wire the 24V DC power supply cables to the front terminal block with proper external fuse protection (minimum 2 A recommended).
- Insert a compatible Siemens Micro Memory Card (MMC) into the front card slot before applying power.
Maintenance Tips:
- Inspect terminal block screw connections and PROFIBUS connectors periodically for tightness and mechanical wear.
- Maintain clean cabinet ventilation filters to prevent ambient dust build-up around the CPU housing slots.
- Keep updated project backup files (STEP 7 or TIA Portal) stored on an external drive for rapid system recovery.
Safety Instructions:
- All wiring and mounting procedures must be performed by qualified automation technicians or electrical engineers.
- Verify correct DC voltage polarity (+24V and M) before powering on the unit to prevent irreversible hardware damage.
- Do not insert or remove the Micro Memory Card (MMC) while power is supplied unless strictly following diagnostic memory reset protocols.
Frequently Asked Questions (FAQ)
Q: What is the price of Siemens SIMATIC S7-300 CPU 317-2 DP 6ES7317-2AK14-0AB0 in Bangladesh?
A: Prices fluctuate based on stock availability, import tariffs, and condition. Please visit loopshop.com.bd or contact our sales hotline for real-time local pricing and quotations.
Q: Where can I buy Siemens SIMATIC S7-300 CPU 317-2 DP 6ES7317-2AK14-0AB0 in Bangladesh?
A: You can purchase it directly online from loopshop.com.bd with prompt delivery options across Dhaka, Chattogram, Gazipur, Narayanganj, and major industrial hubs in Bangladesh.
Q: What warranty does this product have?
A: loopshop.com.bd provides standard seller/replacement warranty coverage against technical and manufacturing defects. Check product terms at checkout.
Q: Is this suitable for Bangladesh climate?
A: Yes, it is rated for operational temperatures up to 60 °C within ventilated panels, making it reliable for Bangladesh’s tropical and warm factory conditions.
Q: How to install this product?
A: Mount the CPU on an S7-300 rail, connect the 24V DC power line, snap in the backplane bus connector, insert the Micro Memory Card, and plug in the MPI/DP network cables.
Q: Does the CPU 317-2 DP require a Micro Memory Card to function?
A: Yes, a Siemens Micro Memory Card (MMC) is required for user program storage and load memory execution on this CPU model.
Q: What programming software supports the 6ES7317-2AK14-0AB0 CPU?
A: It can be programmed using Siemens STEP 7 V5.5 or higher, as well as Siemens TIA Portal (STEP 7 Professional).
Q: What is the main memory capacity of this CPU model?
A: The CPU 317-2 DP (6ES7317-2AK14-0AB0) features 1 MB (Megabyte) of integrated work memory for code and data.
Q: Can this CPU operate as both a PROFIBUS DP Master and Slave?
A: Yes, both integrated interfaces support DP Master and DP Slave operations to manage distributed I/O stations or communicate with higher-level control networks.
Q: Does loopshop.com.bd provide genuine Siemens automation products in Bangladesh?
A: Yes, loopshop.com.bd supplies genuine industrial automation components sourced from verified global distributors for local manufacturing needs in Bangladesh.

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