For SL03/GS80, EncoderWorks can configure a custom compatible replacement solution when the installed machine requires a 3 m draw-wire displacement measurement system, GS80 mounting class, 200 mm drum circumference, 0.55 mm stainless steel cable, IP64 aluminum housing, and 8 m/s cable-speed boundary to remain unchanged. The main failure boundary is a compact linear feedback assembly that may still generate position output but produce travel error, cable wear, spring instability, hysteresis shift, or reduced service life if the measuring length, drum ratio, cable path, return-force range, housing protection, or sensor mounting interface is changed. Typical production lead time: 15 working days.
This model belongs to the SL0 draw-wire measurement platform. The SL03 section identifies the 3 m measuring-length version, while GS80 defines the associated sensor mounting class. Unlike a simple rotary encoder replacement, this unit must be checked as a complete mechanical measurement chain: cable movement, drum rotation, spring return, sensor coupling, housing mounting, and signal scaling all affect the final linear-position value.
System Limits
The first limit is 3 m stroke scaling and drum conversion. The 200 mm drum circumference, encoder or sensor resolution, controller scaling, zero reference, and full-stroke travel must match the installed system. If a 3 m unit is replaced by a 2 m or 5 m version, or if the controller scaling is recalculated using the wrong drum value, the machine may show proportional travel error even when the electrical signal appears stable.
The second limit is cable mechanics and environmental boundary. The 0.55 mm stainless steel cable, 8 m/s extraction speed, 5–15 N spring return force, IP64 housing, and aluminum drum housing must remain compatible with the machine environment. Cable snap-back, side pull at the outlet, contaminated winding, excessive acceleration, wrong mounting angle, or use beyond the IP boundary can cause cable wear, unstable return, hysteresis change, drum tracking error, or early mechanical failure.
Wiring & Installation
Before replacement, verify the installed measuring length, sensor output type, GS80 interface class, cable exit direction, drum scaling, and controller distance conversion. The electrical output should not be treated separately from the draw-wire mechanism because the mechanical drum ratio determines how the sensor output represents linear travel.
During installation, mount the housing rigidly and connect the cable eyelet to the moving part without twisting the cable. The cable should be pulled in a straight line from the outlet, kept under controlled tension, and protected from chips, dust, water spray, impact, and side load. After installation, check zero position, full-stroke travel, repeatability, and return behavior before returning the machine to service.
Custom Compatible Solution
EncoderWorks can configure the replacement around the installed SL03/GS80 measurement boundary:
- Match the 3 m measuring length, 200 mm drum circumference, and controller scaling ratio
- Preserve GS80 mounting class, sensor coupling, cable exit orientation, and aluminum housing fit
- Review 0.55 mm cable behavior, 8 m/s speed limit, 5–15 N spring return force, and IP64 installation boundary
- Confirm output type, zero setting, stroke repeatability, hysteresis behavior, and cable routing before shipment
Key Data
| Item | Data |
|---|---|
| Model | SL03/GS80 |
| Device type | Draw-wire displacement measurement system |
| Measuring length | Up to 3 m |
| Conversion method | Linear cable travel to sensor / encoder rotation |
| Drum circumference | 200 mm |
| Housing material | Anodized aluminum |
| Cable diameter | 0.55 mm |
| Cable material | Stainless steel 1.4401 |
| Linearity | ±0.1% |
| Repeatability | 0.01% |
| Hysteresis | 0.05% |
| Cable extraction speed | 8 m/s |
| Spring return force | 5–15 N |
| Typical service life | Up to 1 million load cycles |
| Temperature range | -30°C to +70°C |
| Protection class | IP64 |
| Approx. weight | 1.1 kg without sensor / encoder |
| Key replacement checks | 3 m stroke, GS80 mounting class, 200 mm drum scaling, cable routing, spring return, IP64 boundary, output confirmation |
