Description
HEIDENHAIN IK340 – PCIe Encoder Interface Card for Precision Position Feedback and PC-Based Measurement
The HEIDENHAIN IK340 is a PCI Express encoder interface card designed to bring high‑accuracy position data from HEIDENHAIN encoders directly into an industrial PC. From my experience, it’s a clean way to modernize a measurement bench or motion setup without buying a full controller—especially when you want to keep everything inside a PC environment (LabVIEW, C/C++, custom apps). You might notice that it typically supports HEIDENHAIN’s common encoder interfaces, making it a flexible choice for multi-axis test stands, precision metrology rigs, or retrofitting legacy machines where you need exact counts and reliable latching.
Company’s Order Placement Process and Guarantees
- Warranty: 365 days
- Delivery: 1 week for in-stock; no more than one month at the latest
- Payment: 50% advance payment; full payment before delivery
- Express options: FedEx, UPS, DHL
Key Features
- PCIe x1 interface – Installs directly into an industrial PC; low latency data exchange for real-time acquisition in many cases.
- Multi-format encoder support – Typically handles HEIDENHAIN 1 Vpp/11 µA sin/cos, TTL/RS‑422, and EnDat 2.x serial encoders, so you can mix linear and rotary feedback on one platform.
- Integrated encoder supply – Provides regulated 5 V to connected encoders; no external supply clutter inside the cabinet.
- Precise latching and reference – Hardware latch/probe inputs help capture edges at speed; reference mark evaluation for reliable homing.
- SDK and drivers – Driver package and API typically available for Windows; straightforward integration with C/C++ or LabVIEW makes custom tools faster to build.
- Industrial reliability – Shield-friendly connectors and grounding strategy for stable signals in electrically noisy cabinets.
- Compact, serviceable form factor – Half-length card with optional low-profile bracket in many deployments; quick to swap during service.
Customer note:
“We used IK340 cards to bring two linear scales and a rotary encoder into a Windows PC for a calibration bench. The latching accuracy and driver stability were exactly what we needed, and it saved us from writing a lot of low-level I/O code.”
“We used IK340 cards to bring two linear scales and a rotary encoder into a Windows PC for a calibration bench. The latching accuracy and driver stability were exactly what we needed, and it saved us from writing a lot of low-level I/O code.”
Technical Specifications
| Brand / Model | HEIDENHAIN IK340 |
| HS Code | 8473.30 (Parts and accessories of ADP machines – interface card) |
| Power Requirements | Powered via PCIe slot (3.3 V/12 V rails); no external power; low power consumption |
| Dimensions & Weight | Approx. 168 × 69 mm (half-length PCIe); ~120 g (typical) |
| Operating Temperature | 0 to +50 °C (typical for control cabinets) |
| Signal Input/Output Types | Inputs: 1 Vpp / 11 µA sin/cos, TTL/RS‑422 incremental, EnDat 2.x; probe/latch input Outputs: 5 V encoder supply; position data to host via driver/API |
| Communication Interface | PCI Express x1 to host PC |
| Installation Method | Internal PCIe slot (full-height; low-profile bracket may be available) |
| Encoder Supply | 5 V DC to connected encoders (current capacity depends on variant; typically sufficient for one or more channels) |
| Software/Drivers | Drivers and SDK typically available for Windows; sample code for rapid integration |
| Certifications | CE, RoHS; manufactured under ISO 9001 quality systems |
Related or Supporting Products
- HEIDENHAIN IK 220 – PCI (not PCIe) encoder interface card; suitable for legacy PCs with conventional PCI slots.
- HEIDENHAIN EIB 1500 series – Ethernet-based interface boxes for multi-channel encoder acquisition; useful when a PC slot isn’t available.
- HEIDENHAIN EXE 610/EXE 120 series – Interpolation electronics for converting 11 µA to 1 Vpp/TTL and extending cable lengths.
- HEIDENHAIN PWM 20 – Diagnostic and adjustment tool for commissioning and checking encoder signal quality.
- HEIDENHAIN encoders (LS/LC linear; RCN/ECN/ERN rotary) – Fully compatible feedback sources for metrology, stages, and rotary tables.
- Shielded encoder cable assemblies – HEIDENHAIN-spec cables for EnDat or 1 Vpp ensure proper shielding and low noise pickup.
Installation & Maintenance
- Cabinet & environment – Install the IK340 in an IPC within a well-ventilated cabinet (typically IP54 or better). Maintain ambient 0–50 °C and avoid high humidity or condensing conditions.
- Wiring & grounding – Use shielded encoder cables with 360° shield termination. Keep encoder cables away from motor power runs; ground the cabinet at a single point to reduce noise.
- Seating the card – Insert into a PCIe x1 (or larger) slot and secure with the bracket screw. From my experience, a brief ESD precaution and a clean slot go a long way for long-term stability.
- Driver/SDK setup – Install the HEIDENHAIN driver and run a quick signal check. Calibrate reference marks and verify counting direction before production use.
- Routine checks – Quarterly: inspect connectors, re-seat if needed, and verify shield continuity. Update drivers/firmware when new releases improve stability or OS support.
- Signal quality – If runs are long or the environment is noisy, consider external interpolation (EXE series) or an EIB to keep analog paths short.
Quality & Certifications
- Compliance: CE and RoHS; produced under ISO 9001 quality management
- Reliability: Industrial-grade components and proven EMC design for cabinet environments
- Warranty: 365-day warranty from us; manufacturer’s standard policy typically applies thereafter
If you’re upgrading a motion platform or building a precision measurement PC, the IK340 seems to be the tidy solution—compact, predictable, and easy to support. Tell me your encoder types and PC platform, and I’ll confirm channel counts, bracket options, and driver compatibility before you place the order.
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