The FGH4KK-4096G-90G-NG/20P incremental encoder is a high-resolution heavy-duty model designed for harsh industrial environments such as metallurgy, bulk material handling, and continuous-duty machinery. With 4096 pulses per revolution, it is typically used in applications requiring precise speed feedback and stable long-term operation.
In real production scenarios, many systems still rely on this encoder model, but sourcing the original unit has become increasingly difficult. Extended lead times or unavailable stock often create maintenance pressure during shutdowns or planned overhauls. To solve this problem, a customized 1:1 replacement encoder can be provided based on the original installation and electrical requirements.
The replacement encoder maintains the same mounting interface, shaft configuration, signal output, and resolution, ensuring direct compatibility with existing equipment. No changes to mechanical structure, cabling, or control settings are required, which helps minimize downtime.
Each replacement unit is manufactured with industrial-grade components and tested under load conditions, making it suitable for demanding operating environments where reliability is critical.
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 |
