Rail Types AMSABS 4B S 20
Note: Size 20 is only available in N type rail (Standard).
| AMSABS 4B S 20-N |
 |
| Standard |
Rail Dimensional Drawing AMSABS 4B S 20
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 Dimensional Drawing AMSABS 4B W 20
Carriage Specifications AMSABS 4B W 20
| Parameter | AMSABS 4B W 20-A | AMSABS 4B W 20-B | AMSABS 4B W 20-C | AMSABS 4B W 20-D |
| System Height A (mm) | 30 | 30 | 30 | 30 |
| Housing Half Width, Opposite Side A1 (mm) | 23 | 23 | 23 | 23 |
| Housing Half Width, Reading Head Side A2 (mm) | 23 | 23 | 23 | 23 |
| Reading Head Projection A3 (mm) | 17.5 | 17.5 | 17.5 | 17.5 |
| Carriage Width B (mm) | 63 | 63 | 44 | 44 |
| Reference Distance B2 (mm) | 21.5 | 21.5 | 12 | 12 |
| Front Center Lube Port C1 (mm) | 5.2 | 5.2 | 5.2 | 5.2 |
| Side Lube Port Position C3 (mm) | 4.6 | 4.6 | 4.6 | 4.6 |
| Side Lube Port Position (2nd) C4 (mm) | 10.75 | 18.75 | 12.75 | 13.75 |
| Top Lube Port Position C7 (mm) | 10.25 | 18.25 | 12.25 | 13.25 |
| Carriage Height J (mm) | 25.5 | 25.5 | 25.5 | 25.5 |
| Outer Mounting Hole Pitch L1 (mm) | 40 | 40 | 36 | 50 |
| Inner Mounting Hole Pitch L2 (mm) | 35 | 35 | — | — |
| Carriage Length incl. Housing L9 (mm) | 164.5 | 180.5 | 164.5 | 180.5 |
| Housing Length L11 (mm) | 104 | 104 | 104 | 104 |
| Measuring Carriage Total Length L13 (mm) | 184 | 200 | 184 | 200 |
| Carriage Body Inner Length Lw (mm) | 49.5 | 65.5 | 49.5 | 65.5 |
| Side Mounting Hole Pitch N (mm) | 53 | 53 | 32 | 32 |
| Reference Height O (mm) | 8 | 8 | 6 | 6 |
Load Ratings
| Parameter | AMSABS 4B W 20-A | AMSABS 4B W 20-B | AMSABS 4B W 20-C | AMSABS 4B W 20-D |
| Static Load Capacity C₀ (N) | 31400 | 41100 | 31400 | 41100 |
| Dynamic Load Capacity C₁₀₀ (N) | 14400 | 17400 | 14400 | 17400 |
| Static Cross Moment Capacity M₀Q (Nm) | 373 | 490 | 373 | 490 |
| Static Longitudinal Moment Capacity M₀L (Nm) | 292 | 495 | 292 | 495 |
| Dynamic Cross Moment Capacity MQ (Nm) | 171 | 206 | 171 | 206 |
| Dynamic Longitudinal Moment Capacity ML (Nm) | 134 | 208 | 134 | 208 |
| Carriage Weight (kg) | 0.7 | 0.8 | 0.6 | 0.7 |
Rigidity Diagram and Load Directions AMSABS 4B W 20
Measuring System Specifications
| Measuring Principle | Magneto-resistive absolute encoding (magnetically hard periodic N-S scale) |
| Signal Period | 200 µm |
| Accuracy | ± 5 µm / 1000 mm; ± 2 µm / 40 mm |
| Periodic Error | ± 0.7 µm |
| Resolution | max. 0.09765625 µm (TM1 configuration 0.05 µm; TS2 configuration 0.050 µm) |
| Hysteresis | < 0.5 µm |
| Supply Voltage | 5 V ± 10% or 24 V ± 10% (24 V for TS2 configuration, PELV EN 50178) |
| Max. Speed | 3 m/s |
| Operating Temperature | 0 °C ~ +70 °C |
| Protection Rating | IP68 |
Source: MONORAIL and AMS Product Catalogue §4.6 General technical data (p.39).
Order Code Examples
Rail Order Code
1x AMSABS 4B S 20-N-G2-KC-R12-2000-28.5-28.5-CN-TA1
- AMSABS 4B S 20 = AMSABS 4B Rail Size 20
- N = Standard type
- G2 = Accurate
- KC = Standard straightness
- R12 = Locating side at bottom, scale at top
- 2000 = Rail length 2000 mm
- 28.5-28.5 = First/last hole position
Carriage Order Code
1x AMSABS 4B W 20-A-P1-G2-V1-R1-CN-S10-LN-TMH-TS1
- AMSABS 4B W 20 = AMSABS 4B Carriage Size 20
- A = Standard type carriage
- P1 = Reading head position right top
- G2 = Accurate
- V1 = Low preload
- R1 = Reference bottom
- CN = No coating
- S10 = Left center lubrication port
- LN = Oil protect
- TMH = Absolute interface, cable 0.3 m
- TS1 = Hybrid: cycle synchronous serial + analogue 1 Vpp configuration
