We developed a custom solution for model FG40K-10000G-90G-NG. Selected when high-resolution incremental feedback is required in heavy-duty industrial environments, using a flange-mounted solid shaft structure with terminal box connection, without relying on fragile optical alignment typical of lightweight encoders. Typical production lead time: 15 working days.
Key Specifications
- Type: incremental encoder
- Resolution: 10000 pulses per revolution
- Output: HTL push-pull, A/B 90° phase shift + reference pulse (NG)
- Supply: 12–30 VDC
- Frequency: up to 200 kHz
- Protection: up to IP66/IP67 (depending on sealing)
- Shaft: solid shaft (industrial fit)
- Connection: terminal box (K type)
- Sensing: optical
Decision Snapshot
- Best for: high-resolution speed and position feedback in heavy-duty drives (motors, rolling mills, cranes)
- Key fit: 10000 PPR + HTL output + terminal box wiring stability
- Avoid if: compact systems or low-resolution applications where installation space is limited
Custom Solution Photos
Encoder structure reference: heavy-duty housing, flange mounting, terminal box connection.
Signal & Feedback Architecture
This model outputs standard quadrature signals (A/B 90°) with reference pulse (NG), suitable for high-resolution counting and direction detection.
Primary engineering value:
High pulse density (10000 PPR) enables fine speed control and accurate position interpolation.
Primary system constraint:
At high pulse rates, signal integrity becomes more dependent on wiring and EMC than encoder resolution itself.
Mechanical & Installation Focus
- Heavy-duty housing with high inertia tolerance
- Flange mounting (B5/B35 structures typical)
- Bearing system designed for industrial loads
Critical insight:
Mounting error is not only a mechanical issue.
Misalignment introduces:
- Radial load → bearing wear
- Vibration → signal jitter
- Harmonics → degraded signal quality
In high-resolution encoders, installation quality directly affects usable accuracy, not just lifespan.
Wiring & EMC Discipline
This model operates at high pulse frequency (up to 200 kHz), which makes EMC design critical.
Engineering constraints:
- Voltage drop must be controlled (<3V recommended)
- Shielded cable must be connected at both ends
- Power and signal cables must be routed separately
- Grounding must be low-impedance and continuous
Key system judgment:
Signal stability is defined by EMC conditions, not encoder specifications.
Most instability cases are caused by:
- inverter interference
- improper shielding
- poor grounding topology
—not by encoder failure.
Failure Logic & Diagnostics
Typical failure patterns in this class:
- No signal → wiring or power issue
- Unstable signal → EMC / shielding problem
- Pulse loss at high speed → frequency limit or cable issue
Engineering conclusion:
Failure probability is dominated by installation and wiring, not encoder core reliability.
Integration & Compatibility
- Suitable for heavy-duty industrial drive systems
- Compatible with HTL input PLC / drive controllers
- Ideal for high-resolution incremental feedback loops
- Not intended for absolute positioning without homing
Lead Time
Typical production lead time: 15 working days. Custom adaptation available for shaft interface, output configuration, and connection method.
Key Technical Data
| Item | Data |
|---|---|
| Model | FG40K-10000G-90G-NG |
| Type | Incremental |
| Resolution | 10000 PPR |
| Output | HTL A/B + reference |
| Supply | 12–30 VDC |
| Frequency | up to 200 kHz |
| Protection | IP66/IP67 |
| Connection | Terminal box |
| Structure | Flange-mounted |
| Application | Heavy-duty drives |
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