We offer a complete 1:1 customized replacement for the FG40L-1024G-90G-62.5/125 encoder, produced through non-standard tailoring to match the original unit in every mechanical and electrical detail. This alternative is specifically developed to resolve sourcing difficulties or situations where the original model becomes unavailable. All mounting dimensions, shaft specifications, signal parameters, and installation interfaces are recreated precisely, allowing the replacement to be installed directly without any modification.
Since release, this custom-built solution has gained strong recognition in multiple global regions. Customers from the Middle East, Russia, Indonesia, Brazil, Southeast Asia, and Ukraine have placed repeat orders for this encoder due to its stability and reliability in heavy industrial applications. A major reason for its popularity is the optimized 15-working-day production cycle, giving users a dependable product with a reasonable delivery schedule.
Replacement solution image


Technical data
| 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 customer specification) |
| Connection data | |
| Supply voltage | 12 V … 30 V DC (optional: 5 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 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 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 % for 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 |
| Alternative Connection Data (from image(1)_1.png) | |
| Supply voltage | 5 V … 30 V DC For UL and CSA Class 2 supplied |
| No load-current | Approx. 120 mA at 5 V, approx. 50 mA at 24 V |
| Output signals | 2 sinusoidal signals A and B each with inverted signals Reference pulse with inverted signal Signal amplitude 1 V pp / R_L = 120 Ω Error signal and inverted signal Signal amplitude 5V |
| Resolution | 1024 signal periods |
| Duty cycle | 1 ± 0.1 |
| Phase shift A, B | 90° ± 1° |
