VIPA 315-2AG12 CPU 315SB/DPM Processor Module | Replacement, Equivalent & Selection Guide
The VIPA 315-2AG12 is a high-performance CPU 315SB/DPM processor module designed for demanding industrial automation applications. Featuring an integrated SPEED7 core, onboard PROFIBUS-DP master interface, and broad compatibility with Siemens S7-300 hardware, this module is a proven choice for engineers seeking reliable, cost-effective PLC solutions. This page provides full technical specifications, compatible replacement models, application guidance, and a structured selection guide to help you choose the right CPU for your system.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 315-2AG12 |
| Brand | VIPA (Yaskawa) |
| CPU Type | CPU 315SB/DPM |
| Core Technology | SPEED7 |
| Work Memory | 512 KB (expandable via MMC) |
| Load Memory | Up to 8 MB (MMC) |
| Processing Speed | 0.6 ns / bit instruction |
| Digital I/O (onboard) | None (rack-based I/O via backplane) |
| PROFIBUS-DP Interface | 1 × DP Master (integrated) |
| MPI Interface | Yes (programming & HMI) |
| Communication Ports | MPI + PROFIBUS-DP |
| Supported Protocols | MPI, PROFIBUS-DP, S7 communication |
| Power Supply | DC 24 V (via backplane) |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +70 °C |
| Dimensions (W×H×D) | 40 × 125 × 130 mm (approx.) |
| Weight | ~300 g |
| Mounting | S7-300 compatible DIN rail / rack |
| Protection Class | IP20 |
| Certifications | CE, UL |
Compatible Replacement & Equivalent Models
The VIPA 315-2AG12 is pin-compatible and functionally equivalent to several Siemens and third-party CPUs. The table below lists verified drop-in and near-equivalent replacements:
| Replacement Model | Brand | Compatibility Level | Key Difference |
|---|---|---|---|
| 6ES7 315-2AG10-0AB0 | Siemens | Direct equivalent | Siemens OEM version, same rack/backplane |
| 6ES7 315-2AG12-0AB0 | Siemens | Direct equivalent | Siemens OEM, identical I/O footprint |
| VIPA 315-2AH12 | VIPA | Functional upgrade | Higher work memory (1 MB), same DP interface |
| VIPA 315-2EH12 | VIPA | Functional upgrade | Adds Ethernet port; backward compatible |
| VIPA 315-2AG00 | VIPA | Predecessor | Lower memory; same physical form factor |
Note: Always verify firmware version and MMC compatibility before substitution. Contact [email protected] for a free compatibility check.
Why Choose the Original Model
- SPEED7 Core Advantage: Up to 10× faster execution than standard S7-315 CPUs — critical for high-speed motion and process control loops.
- Proven Siemens S7-300 Compatibility: Installs directly into existing S7-300 racks with no hardware modification required.
- Integrated PROFIBUS-DP Master: Eliminates the need for a separate CP module, reducing BOM cost and rack space.
- Long-term Availability: VIPA maintains production and spare parts support beyond Siemens EOL timelines.
- Cost Efficiency: Typically 20–40% lower acquisition cost vs. equivalent Siemens OEM modules.
- TIA Portal & STEP 7 Compatible: Programs seamlessly with standard Siemens engineering tools — no re-engineering required.
Typical Applications
- Automotive assembly line control and robotics coordination
- Pharmaceutical batch processing and recipe management
- Water treatment plant SCADA integration via PROFIBUS-DP
- Packaging machinery with high-speed I/O demands
- Building automation and HVAC control systems
- Energy management and power distribution monitoring
- Machine tool CNC auxiliary control
System Compatibility
- Racks: Siemens UR1, UR2, CR2, CR3; VIPA 300S series racks
- Power Supplies: Siemens PS 307 (2A / 5A / 10A); VIPA 307-1EA00 and equivalents
- I/O Modules: All standard S7-300 SM 321 / 322 / 323 / 331 / 332 / 334 signal modules
- Communication Modules: CP 342-5 (PROFIBUS), CP 343-1 (Ethernet) — optional expansion
- HMI: Siemens TP / MP series panels via MPI; WinCC, WinCC flexible
- Engineering Software: SIMATIC STEP 7 v5.x, TIA Portal v13–v19, VIPA SPEED7 Studio
- Memory Card: Siemens MMC (6ES7 953-8Lxx-0AA0 series)
Selection Guide
Use the criteria below to determine whether the VIPA 315-2AG12 is the right CPU for your project:
| Requirement | 315-2AG12 Suitable? | Recommended Alternative |
|---|---|---|
| Work memory ≤ 512 KB | ✅ Yes | — |
| Work memory > 512 KB | ❌ No | VIPA 315-2AH12 (1 MB) or 317-2AK12 (2 MB) |
| PROFIBUS-DP master required | ✅ Yes (integrated) | — |
| Ethernet / Modbus TCP required | ❌ No (add CP module) | VIPA 315-2EH12 (onboard Ethernet) |
| Existing S7-300 rack upgrade | ✅ Direct fit | — |
| Standalone / compact system | ⚠️ Rack required | VIPA 214-2BG03 (compact CPU) |
| Safety / SIL application | ❌ No | VIPA 315F series or Siemens 315F-2PN/DP |
| Budget-sensitive replacement | ✅ Best value | — |
Quality Assurance & Sourcing
- Authenticity Guaranteed: All units sourced from authorized distributors or verified surplus channels with full traceability documentation.
- Pre-shipment Testing: Each module undergoes power-on functional verification before dispatch.
- Condition Options: New (factory sealed), Refurbished (tested & warranted), and Surplus (as-removed, tested) available — specify at order.
- Warranty: 12-month on all new units; 6-month on refurbished units.
- Documentation: Datasheet, declaration of conformity, and test report available on request.
- Export Compliance: ECCN classification and export documentation provided for international orders.
How to Order
- Confirm your required condition (New / Refurbished / Surplus) and quantity.
- Add to cart directly, or contact us for volume pricing and lead time confirmation.
- For urgent requirements, email [email protected] with your PO number and delivery deadline.
- International orders: provide end-user declaration and shipping destination for export compliance review.
- Payment: T/T bank transfer, PayPal, or credit card accepted. Net-30 available for approved accounts.
Replacement & Compatibility FAQ
Q: Can the VIPA 315-2AG12 replace a Siemens 6ES7 315-2AG12-0AB0 directly?
A: Yes. The VIPA 315-2AG12 is a direct functional and physical equivalent. No rack modification or software re-configuration is required in most cases. Verify MMC firmware version compatibility.
Q: Will my existing STEP 7 program run without modification?
A: In the majority of cases, yes. VIPA CPUs support standard S7-300 instruction sets. Some VIPA-specific SPEED7 extensions may require minor adaptation if migrating from a standard Siemens CPU.
Q: Is the 315-2AG12 compatible with TIA Portal?
A: Yes, via the VIPA TIA add-on library or by configuring the CPU as a Siemens 315-2AG12 in TIA Portal. Full native TIA Portal support is available in VIPA SPEED7 Studio.
Q: What is the difference between 315-2AG12 and 315-2AH12?
A: The 315-2AH12 offers 1 MB work memory (vs. 512 KB) and is recommended for larger programs. Both share the same physical form factor and PROFIBUS-DP interface.
Q: Do you offer a warranty on refurbished units?
A: Yes — 6 months on all refurbished and tested units, with a full test report included.
Q: Can I get a datasheet or certificate of conformity?
A: Yes. Contact [email protected] and reference SKU 315-2AG12.
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