AMSABS 4B Size 20 Technical Specifications
Absolute Measuring System with Ball Profile - Size 20
Rail Types AMSABS 4B S 20
Note: Size 20 is only available in N type rail (Standard).
| AMSABS 4B S 20-N |
|---|
| Standard |
Rail Specifications AMSABS 4B S 20
| Parameter | AMSABS 4B S 20-N |
|---|---|
| Rail Width B1 (mm) | 20 |
| Rail Height J1 (mm) | 19 |
| Max. Single Piece Length L3 (mm) | 3000 |
| Mounting Hole Pitch L4 (mm) | 60 |
| First/Last Hole Position L5/L10 (mm) | 28.5 |
| Weight per Meter (kg/m) | 2.2 |
Carriage Types AMSABS 4B W 20
Note: Size 20 only offers A, B, C, D carriage types; E, F, G types are not available.
| W 20-A | W 20-B | W 20-C | W 20-D |
|---|---|---|---|
| Standard High Load | Standard Long High Load | Narrow Space-Saving | Narrow Long High Moment |
Carriage Specifications AMSABS 4B W 20
| Parameter | W 20-A | W 20-B | W 20-C | W 20-D |
|---|---|---|---|---|
| System Height A (mm) | 30 | 30 | 30 | 30 |
| Read Head Side Half-Width A1 (mm) | 23 | 23 | 23 | 23 |
| Read Head Protrusion A3 (mm) | 17.5 | 17.5 | 17.5 | 17.5 |
| Carriage Width B (mm) | 63 | 63 | 44 | 44 |
| Carriage Height J (mm) | 25.5 | 25.5 | 25.5 | 25.5 |
| Measuring Carriage Total Length L13 (mm) | 184 | 200 | 184 | 200 |
| Carriage Weight (kg) | 0.7 | 0.8 | 0.6 | 0.7 |
Load Ratings
| Carriage Type | C₀ Static Load (N) | C₁₀₀ Dynamic Load (N) | M₀Q Static Moment (Nm) | M₀L Static Moment (Nm) |
|---|---|---|---|---|
| A / C | 31,400 | 14,400 | 373 | 292 |
| B / D | 41,100 | 17,400 | 490 | 495 |
Measuring System Specifications
| Parameter | Specification |
|---|---|
| Measuring Principle | Magnetoresistive Absolute Encoding |
| Accuracy | ± 5 µm |
| Resolution | 0.244 µm (SSI Interface) |
| Max. Measuring Length | 3000 mm |
| Max. Speed | 5 m/s |
| Output Interface | SSI / BiSS-C / FANUC / Mitsubishi / Siemens Drive CliQ |
| Supply Voltage | DC 5V ± 5% |
| Operating Temperature | 0°C to +60°C |
| Protection Rating | IP67 / IP68 |
Available Options
Accuracy Grades
| Accuracy Grade | Description |
|---|---|
| G1 | High Precision |
| G2 | Precision |
| G3 | Standard |
Preload Classes
| Preload Class | Preload Force (% of C₀) |
|---|---|
| V1 | 3% |
| V2 | 8% |
| V3 | 13% |
Read Head Interface
| Interface Code | Type | Description |
|---|---|---|
| TS1 | SSI | Serial Synchronous Interface |
| TS2 | SSI + SinCos | SSI with 1 Vpp Analog Output |
| TSS | Siemens Drive CliQ | Siemens Proprietary Interface |
| TF1 | FANUC | FANUC Proprietary Interface |
| TM1 | Mitsubishi | Mitsubishi Proprietary Interface |
| TB1 | BiSS-C | Bidirectional Serial Interface |
Order Code Examples
Rail Order Code
AMSABS 4B S 20-N-G1-KC-R1-2000-28.5-28.5
- AMSABS 4B S 20 = AMSABS 4B Rail Size 20
- N = Standard
- G1 = High Precision
- KC = Countersunk Holes
- R1 = Reference Edge at Bottom
- 2000 = Rail Length 2000mm
- 28.5-28.5 = First/Last Hole Position
Carriage Order Code
AMSABS 4B W 20-A-G1-V1-S10-LV-TS1-K05
- AMSABS 4B W 20 = AMSABS 4B Carriage Size 20
- A = Standard Carriage
- G1 = High Precision
- V1 = Light Preload
- S10 = Lubrication Port Position
- LV = Pre-Lubricated
- TS1 = SSI Interface
- K05 = 5m Cable Length