The FG40K‑1000G‑90G‑NG incremental encoder is a precision feedback device offering 1,000 pulses per revolution, making it suitable for industrial motion control and speed monitoring in automation systems. As this specific configuration becomes harder to procure through conventional supply channels, a customized replacement option has been developed that mirrors the original’s mechanical form, electrical interfaces, and signal characteristics on a one‑to‑one basis.
This tailored replacement encoder is engineered to integrate directly into existing machinery without modifying mounting points, cabling, or control logic. Its stable performance supports heavy‑duty applications such as rolling mills, material handling systems, and synchronized conveyor drives where reliable incremental feedback is essential for production continuity.
Manufactured to industry standards with options for various pulse rates, this alternative solution helps maintenance teams overcome sourcing challenges, reduce downtime, and ensure long‑term support for legacy equipment. Available configurations can also be tailored to match specific operational requirements, providing a practical and dependable solution for industrial users.


Technical Datasheet
Pulse rates
| Category | Value |
|---|---|
| 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(further pulse rates according to customers specification) |
Connection data
| Parameter | Details |
|---|---|
| Supply voltage | 12 V … 30 V DCFor 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 Iₗ 30 mA |
| Output current | max. 150 mA at 24 V (observe derating) |
| Internal resistance | 75 Ω bei 24 V |
| Slew rate | 200 V / μs with Cₗ 100 pF |
| Duty cycle | 1:1 ± 3 % for standard pulse rates1:1 ± 5 % for special pulse rates up to 25000 pulses |
| Square wave displacement 0°, 90° | 90° ± 3 % for standard pulse rates90° ± 5 % for special pulse rates up to 25000 pulses |
| Max. frequency | 200 kHz, Higher max. frequency on request |
Special output voltage 5V (TTL)
| Parameter | Details |
|---|---|
| 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 |

