Rail Types AMS 3B S 25
| AMS 3B S 25-N | AMS 3B S 25-C |
 |  |
| Standard Type | Cover Strip Type |
Rail Dimension Drawing AMS 3B S 25
Rail Specifications
| Parameter | AMS 3B S 25-N | AMS 3B S 25-C |
| Rail Width B1 (mm) | 23 | 23 |
| Rail Height J1 (mm) | 24.5 | 24.5 |
| Max. Single Length L3 (mm) | 6000 | 3000 |
| Mounting Hole Pitch L4 (mm) | 30 | 30 |
| First/Last Hole Position L5/L10 (mm) | 13.5 | 13.5 |
| Weight per Meter (kg/m) | 3.4 | 3.3 |
Carriage Types AMS 3B W 25
| W-A | W-B | W-C | W-D | W-E | W-F | W-G |
 |  |  |  |  |  |  |
Short Carriage
Wide | Long Carriage
Wide | Short Carriage
Narrow | Long Carriage
Narrow | Short Carriage
Mini | Short Carriage
Narrow Flange | Long Carriage
Narrow Flange |
Carriage Dimension Drawing AMS 3B W 25
Carriage Specifications AMS 3B W 25
| Parameter | AMS 3B W 25-A | AMS 3B W 25-B | AMS 3B W 25-C | AMS 3B W 25-D | AMS 3B W 25-E | AMS 3B W 25-F | AMS 3B W 25-G |
| System Height A (mm) | 36 | 36 | 40 | 40 | 40 | 36 | 36 |
| Housing Half Width, Opposite Side A1 (mm) | 23.5 | 23.5 | 23.5 | 23.5 | 23.5 | 23.5 | 23.5 |
| Housing Half Width, Reading Head Side A2 (mm) | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Read Head Protrusion A3 (mm) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 |
| Carriage Width B (mm) | 70 | 70 | 48 | 48 | 57 | 48 | 48 |
| Reference Distance B2 (mm) | 23.5 | 23.5 | 12.5 | 12.5 | 17 | 12.5 | 12.5 |
| Front Center Lube Port C1 (mm) | 5.5 | 5.5 | 9.5 | 9.5 | 9.5 | 5.5 | 5.5 |
| Side Lube Port Position C3 (mm) | 3.5 | 3.5 | 7.5 | 7.5 | 7.5 | 3.5 | 3.5 |
| Side Lube Port Position (2nd) C4 (mm) | 13 | 24.2 | 18 | 21.7 | 18 | 18 | 21.7 |
| Top Lube Port Position C7 (mm) | 12 | 23.2 | 17 | 20.7 | 17 | 17 | 20.7 |
| Carriage Height J (mm) | 29.5 | 29.5 | 33.5 | 33.5 | 33.5 | 29.5 | 29.5 |
| Mounting Hole Pitch L1 (mm) | 45 | 45 | 35 | 50 | 35 | 35 | 50 |
| Mounting Hole Pitch L2 (mm) | 40 | 40 | — | — | 35 | — | — |
| Carriage Length incl. Housing L9 (mm) | 148 | 170 | 148 | 170 | 148 | 148 | 170 |
| Housing Length L11 (mm) | 75.2 | 75.2 | 75.2 | 75.2 | 75.2 | 75.2 | 75.2 |
| Measuring Carriage Total Length L13 (mm) | 164.5 | 186.9 | 164.5 | 186.9 | 164.5 | 164.5 | 186.9 |
| Carriage Body Inner Length Lw (mm) | 57 | 79.4 | 57 | 79.4 | 57 | 57 | 79.4 |
| Mounting Hole Pitch N (mm) | 57 | 57 | 35 | 35 | — | 35 | 35 |
| Reference Height O (mm) | 7.5 | 7.5 | 7.5 | 7.5 | 15 | 7.5 | 7.5 |
Load Ratings
| Parameter | AMS 3B W 25-A | AMS 3B W 25-B | AMS 3B W 25-C | AMS 3B W 25-D | AMS 3B W 25-E | AMS 3B W 25-F | AMS 3B W 25-G |
| Static Load Capacity C₀ (N) | 49800 | 70300 | 49800 | 70300 | 49800 | 49800 | 70300 |
| Dynamic Load Capacity C₁₀₀ (N) | 27700 | 39100 | 27700 | 39100 | 27700 | 27700 | 39100 |
| Static Cross Moment Capacity M₀Q (Nm) | 733 | 1035 | 733 | 1035 | 733 | 733 | 1035 |
| Static Longitudinal Moment Capacity M₀L (Nm) | 476 | 936 | 476 | 936 | 476 | 476 | 936 |
| Dynamic Cross Moment Capacity MQ (Nm) | 408 | 576 | 408 | 576 | 408 | 408 | 578 |
| Dynamic Longitudinal Moment Capacity ML (Nm) | 265 | 521 | 265 | 521 | 265 | 265 | 521 |
| Carriage Weight (kg) | 1.3 | 1.5 | 1.2 | 1.3 | 1.3 | 1.1 | 1.2 |
Measuring System Specifications
| Measuring Principle | Magnetoresistive incremental encoding (magnetically hard periodic N-S scale) |
| Signal Period | 200 µm |
| Accuracy Class | ± 5 µm / 1000 mm; ± 2 µm / 40 mm |
| Periodic Deviation | ± 0.7 µm |
| Hysteresis | < 0.5 µm (digitally adjustable on AMSD) |
| Resolution | AMSA max. 0.0625 µm; AMSD 0.2 / 1.0 / 5.0 µm |
| Output Interface | AMSA: analogue 1 Vpp; AMSD: digital quadrature signals RS 422 (incl. reference and error signals) |
| Current Consumption | AMSA 40 mA; AMSD 110 mA |
| Maximum Speed | AMSA 3 m/s; AMSD 3 m/s (max. 1 m/s at 0.2 µm resolution) |
| Reference Marks | Every 50 mm, or distance-coded |
| Supply Voltage | 5 V ± 0.25 V |
| 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
AMS 3B Rail Order Code
AMS 3B S 25-N-G1-KC-R1-1500-30-30
AMS 3B Carriage Order Code (Analog Output)
AMSA 3B W 25-B-P1-G1-V1-R1-CN-S11-LV-TSU
AMS 3B Carriage Order Code (Digital Output)
AMSD 3B W 25-B-P1-G1-V1-R1-CN-S11-LV-TSD-050-80-ZN
Available Options
Based on the Available options icon bar in the catalogue.
Common to Rails and Carriages
Accuracy Classes
 | G0 | Highly accurate |
 | G1 | Very accurate |
 | G2 | Accurate |
 | G3 | Standard |
Coating
 | CN | None |
 | CH | Hard chromium |
Rails
Straightness
 | KC | Standard |
Reference Side
 | R11 | Ref. bottom, scale bottom |
 | R12 | Ref. bottom, scale top (the PDF prints 'scale bottom', which duplicates R11; the icon shows the scale on top, so this is judged to be a PDF typo) |
 | R21 | Ref. top, scale bottom |
 | R22 | Ref. top, scale top |
Magnetization Type
 | TR50 | 50 mm Raster (incremental scale) |
 | TD20 | 20 mm Code (absolute coding) |
 | TD50 | 50 mm Code (absolute coding) |
Carriages
Reference Surface
 | R1 | Reference bottom (below or right) |
 | R2 | Reference top (top or left) |
Read Head Position
 | P1 | Top right |
 | P3 | Bottom left |
Lubrication as Delivered
 | LN | Oil protect |
 | LG | Grease protect |
 | LV | Full greasing |
Interface (Read Head Cable Outlet)
 | TMU | analog, 0.3 m |
 | TRU | analog, 3 m |
 | TSU | analog, 3 m |
 | TMD | digital, 0.3 m |
 | TRD | digital, 3 m |
 | TSD | digital, 3 m |
