NIKON 4S015-173 NK-C304-40 / 4S015-205 C304-BT-31 PCB Card – Encoder Signal Control Board
When a precision encoder control board fails on a NIKON coordinate measuring machine or industrial positioning system, the entire production line comes to a halt. Measurement accuracy collapses, automated positioning becomes unreliable, and costly downtime accumulates by the hour. The NIKON 4S015-173 NK-C304-40 / 4S015-205 C304-BT-31 PCB Card is the exact OEM replacement that restores full system integrity — no workarounds, no compromises.
Within the NIKON NK-C304 encoder control series, the 4S015-173 board occupies a critical signal-processing role, managing encoder feedback loops that underpin sub-micron positioning accuracy. NIKON’s encoder technology is trusted across semiconductor fabrication, precision metrology, and high-end CNC automation worldwide, making genuine replacement boards like this one essential assets for maintenance engineers and MRO procurement teams globally.
Technical Specifications
- Part Number (Primary): 4S015-173
- Assembly Code: NK-C304-40
- Alternate Part Number: 4S015-205
- Alternate Assembly Code: C304-BT-31
- Brand / Manufacturer: NIKON Corporation
- Component Type: PCB Card (Printed Circuit Board)
- Series: NK-C304 Encoder Control Series
- Application: Encoder signal processing and feedback control
- Weight: 1,260 g
- Condition: New / Refurbished (specify on inquiry)
Note: Electrical parameters (voltage, current ratings, connector pinout) are application-specific. Please provide your system model when submitting an inquiry for full compatibility confirmation.
Key Features & Benefits
- OEM-Grade Precision: Manufactured to NIKON’s exacting tolerances for encoder signal integrity — no signal drift, no interpolation errors.
- Dual Part Number Coverage: Covers both 4S015-173 (NK-C304-40) and 4S015-205 (C304-BT-31) references, ensuring compatibility across multiple NIKON system revisions.
- Drop-In Replacement: Designed for direct board swap without firmware modification or recalibration in supported configurations.
- Rigorous Pre-Shipment Testing: Each unit undergoes functional verification before dispatch.
- Long-Term Availability: Sourced through verified industrial channels to support legacy NIKON systems still in active production use.
Industry & Equipment Applications
- Semiconductor Manufacturing: Wafer inspection and lithography stage positioning systems
- Precision Metrology: NIKON coordinate measuring machines (CMM) and optical measurement systems
- CNC Machining Centers: High-accuracy servo axis feedback control
- Robotics & Automation: Industrial robot joint encoder feedback boards
- Aerospace & Defense: Precision motion control platforms requiring certified encoder components
System Integration & Compatible Parts
The NK-C304-40 PCB card operates within NIKON’s modular encoder control architecture. When sourcing this board, consider verifying compatibility with the following associated components:
- NIKON NK-C304 series encoder controller units
- NIKON encoder read heads and scale assemblies
- Associated signal conditioning boards in the same chassis
- Power supply modules rated for the NK-C304 platform
Contact our technical team with your full system model and serial number for a compatibility check before ordering.
Our Quality Assurance Process
- Source Verification: All NIKON PCB cards are sourced from authorized distributors or certified industrial surplus channels with full traceability.
- Visual Inspection: Each board is inspected for physical damage, corrosion, and component integrity upon receipt.
- Functional Testing: Where applicable, boards are bench-tested against NIKON reference specifications prior to shipment.
- Secure Packaging: Anti-static ESD packaging with foam cushioning to prevent transit damage.
- Documentation: Certificate of conformity and test report available on request.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page or email [email protected].
- Provide your system model, serial number, and required quantity for accurate compatibility confirmation.
- Receive a formal quotation within 1 business day (urgent requests prioritized).
- Confirm order and arrange payment via T/T, L/C, or other agreed terms.
- Shipment via DHL / FedEx / UPS with full tracking — typical lead time 3–7 business days.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation Components — PLC modules, DCS cards, encoder boards, and MRO parts from leading global brands.
- ✅ B2B-Focused Service — Dedicated account management for procurement teams, maintenance engineers, and system integrators.
- ✅ Global Shipping — Reliable export logistics to 50+ countries with customs documentation support.
- ✅ Competitive Pricing — Direct sourcing relationships enable cost-effective pricing without compromising authenticity.
- ✅ Technical Support — Pre-sales compatibility advice and post-sales installation guidance from experienced automation engineers.
Frequently Asked Questions
- Q: Are 4S015-173 and 4S015-205 the same board?
- A: They are closely related part numbers within the NK-C304 series, often representing different revision levels or assembly configurations. Please confirm your system’s exact requirement when inquiring.
- Q: Is this a new or refurbished unit?
- A: We stock both new and professionally refurbished units depending on availability. Please specify your preference in your inquiry and we will confirm stock status.
- Q: Can you provide a datasheet or wiring diagram?
- A: We can share available technical documentation upon request. Availability depends on NIKON’s disclosure policies for the specific revision.
- Q: What is the warranty period?
- A: Standard warranty is 90 days from shipment date, covering manufacturing defects. Extended warranty options are available — contact us for details.
- Q: Do you accept returns?
- A: Yes, within 30 days of receipt for unused items in original packaging. Items must be returned with RMA authorization. Please review our Returns Policy for full terms.
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