The FGH4K-8192G-90G-NG/20P incremental encoder is commonly used in heavy-duty industrial equipment where high-resolution feedback and mechanical stability are required. Typical applications include rolling mills, heavy conveyors, large motors, and other systems operating under vibration, dust, and long continuous duty cycles. In many cases, users face challenges when sourcing original units for maintenance or expansion projects.
To address this issue, a 1:1 custom replacement solution is available, developed based on the original encoder’s mechanical and electrical characteristics. The replacement maintains the same housing structure, mounting dimensions, shaft configuration, and signal output behavior. With an identical resolution of 8192 pulses per revolution, the encoder integrates directly into existing control systems without requiring parameter changes or controller modifications.
From an engineering perspective, the replacement is designed with a reinforced metal housing and stable signal processing to ensure reliable performance in harsh environments. Each unit is tested for rotational accuracy, signal consistency, and long-term operational stability before delivery. Optional customization, such as connector type and cable configuration, can be provided to match on-site installation requirements.
This approach allows users to extend equipment service life, reduce downtime risk, and maintain system consistency without redesigning mechanical or electrical interfaces.
Technical Datasheet
| Parameter | Value |
| Pulse rates | |
| Standard pulse rates | 500, 600, 1000, 1024, 1200, 2000, 2048, 2400, 2500 |
| Special pulse rates | 4000, 4096, 4800, 5000, 8192, 10000, 12000, 16000, 16384, 20000, 25000, 40000, 50000 (further pulse rates according to customers specification) |
| Connection data | |
| Supply voltage | 12 V ... 30 V DC (For UL and CSA Class 2 supplied) |
| No load-current | approx. 50 mA at 24 V |
| Outputs | Current limited, short-circuit proof push-pull line driver with integrated impedance adaptation for 30 to 140 Ω lines. |
| Pulse height (HTL) | approx. as supply voltage, output saturation voltage < 0.4 V at $I_L$ 30 mA |
| Output current | max. 150 mA at 24 V (observe derating) |
| Internal resistance | 75 Ω at 24 V |
| Slew rate | 200 V / µs with $C_L$ 100 pF |
| Duty cycle | 1 : 1 ± 3 % for standard pulse rates 1 : 1 ± 5 % for special pulse rates up to 25000 pulses |
| Square wave displacement 0°, 90° | 90° ± 3 % for standard pulse rates 90° ± 5 % or special pulse rates up to 25000 pulses |
| Max. frequency | 200 kHz, Higher max. frequency on request |
| Special output voltage 5V (TTL) | |
| Pulse height | 5V, RS422-compatible (TIA/EIA-Standard) |
| Supply voltage | 12 ... 30 V DC (optional: 5 V DC) For UL and CSA Class 2 supplied |
