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KOLLMORGEN CH092C-11-2105
Product Type: Brushless DC Servo Motor with Absolute Encoder
Product Introduction:
The CH092C-11-2105 is a compact frame servo motor from Kollmorgen’s CH Series. It features a 92 mm frame size with an integrated multi-turn absolute encoder, designed for applications requiring high precision in a small package. The “11-2105” suffix denotes specific winding (11) and feedback (2105) configuration.
Detailed content
Technical Specifications:
| Parameter | Value |
|---|---|
| Frame Size | 92 mm (flange diameter) |
| Motor Type | Brushless DC (BLDC), 3-phase, sinusoidal |
| Rated Torque (Continuous) | 1.0 Nm |
| Peak Torque | 3.0 Nm (3× rated, 1 sec) |
| Rated Speed | 3,000 RPM |
| Max Speed | 5,000 RPM |
| Rated Voltage | 48 VDC |
| Feedback Type | Multi-turn absolute encoder (17-bit single-turn + 14-bit multi-turn = 131,072 + 16,384 counts) |
| Insulation Class | Class H (180°C) |
| IP Rating | IP65 (with connector) |
| Weight | ~1.2 kg (motor only) |
| Shaft Type | Smooth shaft, 14 mm diameter, with keyway (DIN 6885-1) |
| Operating Temperature | -10°C to +50°C |
| Duty Cycle | Continuous (S1) |
| Efficiency | > 88% at rated point |
Functional Features:
- Multi-turn absolute encoder: 20-bit total resolution (1,048,576 positions per revolution including multi-turn)
- No homing required after power loss
- High torque-to-inertia ratio for fast acceleration
- IP65 sealed — suitable for food, pharma, and washdown
- PTC thermal protection in windings
- 24 VDC holding brake available as option (5 Nm)
Performance Parameters:
| Parameter | Value |
|---|---|
| Torque Constant (Kt) | 0.318 Nm/A |
| Back-EMF Constant (Ke) | 31.8 V/krpm |
| Rotor Inertia | 2.8 × 10⁻⁵ kg·m² |
| Mechanical Time Constant | 9.5 ms |
| Electrical Time Constant | 2.1 ms |
| Thermal Resistance (Rth) | 3.5 K/W |
| Max Axial Load | 50 N |
| Max Radial Load | 150 N |
Material Composition:
- Housing: Aluminum alloy 6061-T6, hard anodized (clear or black)
- Shaft: Hardened stainless steel (17-4 PH), ground and polished
- Magnets: NdFeB N42SH, 150°C grade
- Windings: Copper, Class H insulation (polyimide, VPI processed)
- Bearings: Sealed angular contact ball bearings (ABEC 7, grease-for-life)
- Connector: M23 12-pin
Structural Features:
- 4× M5 mounting holes on 71 mm bolt circle
- 14 mm smooth shaft with keyway (DIN 6885-1, 4×4×18 mm)
- M23 connector on drive end
- Lifting eye on top cover
- Balance plug on rear cover
Applicable Industries:
- Packaging machinery (seal, fill, cap machines)
- Textile machine axes (warping, weaving)
- Food processing (mixing, dosing)
- Pharmaceutical tablet press drives
- AGV/AMR drive modules
- Collaborative robot joints
Installation Requirements:
- Mount with 4× M5 screws, torque to 2.5 Nm
- Use flexible coupling (max 0.03 mm angular, 0.05 mm parallel misalignment)
- Cable entry: M23 cable gland, torque to 5 Nm
- Ground shield at drive end only
- Verify encoder resolution in drive parameters (2105 = 20-bit multi-turn)
Usage Precautions:
- Do not exceed 5,000 RPM
- Do not apply axial loads > 50 N
- Do not operate above +50°C ambient
- Do not use abrasive cleaning agents on housing
- Re-grease bearings every 10,000 hours (if not sealed-for-life variant)
- Store with shaft protected by cap
