YASKAWA JAMMC-SV150A – Servo Control Circuit Board | Σ-Series AC Servo Drive Platform
Engineering Background
The YASKAWA JAMMC-SV150A is a dedicated servo control circuit board engineered for YASKAWA’s Σ-Series (Sigma) AC servo drive systems. Designed and manufactured in Japan to YASKAWA’s stringent industrial-grade standards, this PCB serves as the core motion-control intelligence within the servo amplifier unit, managing real-time current regulation, encoder feedback processing, and drive protection logic.
Product Positioning
Targeted at maintenance engineers, OEM integrators, and MRO procurement teams, the JAMMC-SV150A is the authoritative replacement board for failed or degraded servo amplifier control cards. It eliminates the need for full drive replacement, significantly reducing downtime costs and capital expenditure in production-critical environments.
Complete Technical Specifications
| Part Number | JAMMC-SV150A |
| Manufacturer | YASKAWA Electric Corporation |
| Series / Platform | Σ-Series (Sigma) AC Servo Drive |
| Component Type | Servo Control Circuit Board (PCB) |
| Country of Origin | Japan |
| Weight | 630 g (net) |
| Board Function | Current control, encoder signal processing, drive protection, PWM generation |
| Compatibility | YASKAWA Σ-Series servo amplifiers (verify amplifier model before ordering) |
| Condition | New / Surplus New / Refurbished (specify at inquiry) |
| Certification | CE, UL (per parent drive unit) |
Proven Application Environments
- CNC Machining Centers – Axis servo drive board replacement for spindle and feed drives
- Industrial Robots – Joint servo amplifier PCB maintenance in YASKAWA Motoman systems
- Injection Molding Machines – Servo pump drive control board restoration
- Semiconductor Fabrication Equipment – Precision motion control in wafer-handling systems
- Packaging & Printing Lines – High-speed servo axis control board replacement
- Elevator & Hoist Systems – Drive control card maintenance in vertical transport applications
Engineering Advantages
- OEM-Identical Design – Direct form-fit-function replacement; no firmware modification required
- High-Frequency PWM Control – Supports YASKAWA’s proprietary high-resolution current control algorithms
- Robust EMI Shielding – Industrial-grade PCB layout minimizes electromagnetic interference in noisy factory environments
- Thermal Stability – Rated for continuous operation across wide industrial temperature ranges
- Plug-and-Play Restoration – Restores full servo amplifier functionality without drive-level reconfiguration
System Architecture & Signal Flow
Within the YASKAWA Σ-Series servo amplifier, the JAMMC-SV150A occupies the control layer between the host controller (PLC/CNC) and the power stage (IGBT module). Signal flow: Host Command (MECHATROLINK / Pulse Train) → JAMMC-SV150A Control Board → PWM Gate Drive Signals → IGBT Power Module → Servo Motor. The board also processes encoder feedback from the motor, closing the position/velocity/torque control loops in real time.
Sourcing & Quality Verification
- All units sourced from authorized distributors, certified MRO channels, or verified OEM surplus stock
- Pre-shipment inspection includes visual PCB examination, component-level verification, and functional bench testing where applicable
- Anti-static packaging (ESD-safe bags + foam insert) for safe international transit
- Traceability documentation available upon request (lot number, inspection record)
Procurement Process
- Confirm Compatibility – Provide your servo amplifier model number to our engineering team for cross-reference verification
- Request Quotation – Contact us via email or phone for volume pricing and lead time
- Order Placement – Secure checkout via Konmask.com or direct PO for B2B accounts
- Shipment & Tracking – DHL / FedEx / UPS express with full tracking; EXW / CIF terms available
- After-Sales Support – Technical assistance available post-installation from our engineering team
Technical FAQ
Q: Is the JAMMC-SV150A compatible with all YASKAWA Σ-Series drives?
A: Compatibility depends on the specific amplifier model and revision. Please provide your drive model number before ordering. Our team will confirm fit.
Q: Does this board require parameter initialization after installation?
A: In most cases, parameters are stored in the drive’s separate memory unit (EEPROM/parameter card). The JAMMC-SV150A itself does not require re-parameterization, but a drive self-check (Fn000 series) is recommended post-installation.
Q: What warranty is provided?
A: We offer a 90-day functional warranty on all tested units. New/surplus units carry standard OEM warranty terms where applicable.
Q: Can you supply multiple units for a production line overhaul?
A: Yes. Contact us for volume pricing and scheduled delivery programs tailored to MRO and OEM procurement requirements.
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