Servo & Stepper Motion Control Solution – Hengstler HC202500/0XX0XM5 | HC20 Series
Where This Product Is Used
The Hengstler HC202500/0XX0XM5 is a compact incremental rotary encoder engineered for closed-loop feedback in stepper motor and servo drive systems. It is widely deployed across the following industrial environments:
- CNC Machining Centers – Axis position feedback on milling, turning, and grinding machines requiring ±1 arc-second repeatability.
- Servo Drive Systems – Speed and direction feedback for AC/DC servo amplifiers (Siemens SINAMICS, Mitsubishi MR-J, Yaskawa Sigma series).
- Stepper Motor Closed-Loop Control – Converts open-loop steppers into verified-position systems, eliminating missed-step faults in packaging and labeling lines.
- Robotic Joint Feedback – Articulated arm joints and SCARA robots where compact shaft-mount encoders are required.
- Textile & Printing Machinery – Web tension control and register mark synchronization on high-speed printing presses.
- Semiconductor Handling Equipment – Wafer stage positioning and pick-and-place gantries in cleanroom environments.
- Conveyor & Material Handling – Speed regulation and position homing on variable-speed conveyor drives.
Technical Specifications
| Part Number | HC202500/0XX0XM5 |
| Manufacturer | Hengstler GmbH |
| Series | HC20 |
| Encoder Type | Incremental Rotary Encoder |
| Resolution (PPR) | 2500 Pulses Per Revolution |
| Output Signal | Push-Pull (HTL), Channels A, B, Z (Index) |
| Supply Voltage | 10 – 30 V DC |
| Output Current | ≤ 30 mA per channel |
| Max. Shaft Speed | 6000 RPM (mechanical) |
| Shaft Diameter | 6 mm (solid shaft) |
| Housing Diameter | Ø 58 mm |
| Protection Rating | IP65 (dust-tight, water jet resistant) |
| Operating Temperature | -10 °C to +70 °C |
| Connection | Radial cable / M12 connector (model-dependent) |
| Weight | ~130 g |
Note: Verify full datasheet against your specific firmware and drive interface requirements before installation.
Why Engineers Specify This Model
- 2500 PPR Resolution – Provides 10,000 quadrature counts per revolution, sufficient for sub-millimeter linear positioning on standard ballscrew drives.
- Push-Pull HTL Output – Long cable runs up to 100 m without signal degradation; no line-driver receiver IC required at the controller.
- Index Pulse (Z-Channel) – Single reference pulse per revolution enables reliable homing routines and absolute position recovery after power loss.
- IP65 Sealing – Suitable for coolant mist, wash-down, and dusty environments without additional enclosure.
- Compact Ø58 mm Body – Drop-in compatible with standard servo motor encoder flanges; minimal redesign for retrofit projects.
- Wide Supply Range (10–30 VDC) – Compatible with 12 V and 24 V control cabinet power rails without additional regulation.
- Hengstler Proven Reliability – MTBF > 100,000 hours; used in safety-critical OEM machinery worldwide.
Complete System Bill of Materials
For a complete servo feedback loop using the HC202500/0XX0XM5, engineers typically source the following complementary components (available at Konmask.com):
- Servo Drive / Amplifier (e.g., Siemens SINAMICS S120, Mitsubishi MR-J4)
- Encoder Cable – Shielded, twisted-pair, 5-core, 0.25 mm² (specify length)
- M12 Mating Connector (A-coded, 8-pin, male)
- Coupling / Flexible Bellows Coupling (6 mm bore, zero-backlash)
- Encoder Mounting Flange / Bracket (Ø58 mm servo flange adapter)
- 24 VDC Power Supply (DIN rail mount, ≥ 1 A)
- PLC Digital Input Module (HTL-compatible, 24 VDC, high-speed counter)
Compliance & Industry Standards
- CE Marking – Compliant with EU Low Voltage Directive 2014/35/EU and EMC Directive 2014/30/EU.
- RoHS – Restriction of Hazardous Substances Directive 2011/65/EU compliant.
- IP65 – Per IEC 60529 ingress protection standard.
- EN 61010-1 – Safety requirements for electrical equipment for measurement, control, and laboratory use.
- REACH – Compliant with EU REACH regulation (EC) No 1907/2006.
Quality Assurance & Sourcing
Konmask.com sources the HC202500/0XX0XM5 exclusively through authorized distribution channels and verified industrial surplus networks. Every unit undergoes the following before dispatch:
- Visual inspection for housing integrity, shaft condition, and connector pin alignment.
- Electrical continuity check on all output channels (A, B, Z, +V, GND).
- Rotation test confirming pulse output at low speed (≥ 60 RPM).
- Packaging in anti-static foam with original or equivalent protective labeling.
Traceability documentation (batch number, inspection record) is included with every shipment on request.
How to Source This Part
- Add to Cart – Click the purchase button above. Stock is updated in real time.
- Request a Quote – For quantities ≥ 5 units or urgent delivery, email support@konmask.com with your required quantity and delivery address.
- Lead Time – In-stock orders ship within 1–3 business days. Out-of-stock items: 7–21 business days depending on origin warehouse.
- Export & Customs – We handle export documentation (commercial invoice, packing list, COO) for international shipments. HS Code: 9031.80 (precision instruments).
- Payment – T/T bank transfer, PayPal, and major credit cards accepted. Net-30 terms available for approved accounts.
Application-Specific FAQ
Q: Is the HC202500/0XX0XM5 compatible with Siemens SINAMICS drives?
A: Yes. The 2500 PPR HTL push-pull output is natively supported by SINAMICS S120 and G120 drives via the SMC20 Sensor Module or direct HTL encoder input terminals. Set encoder type to HTL incremental in STARTER/TIA Portal.
Q: Can this encoder replace a 1024 PPR unit on an existing machine?
A: Yes, with a parameter change. Update the encoder resolution parameter in your drive (e.g., p0408 in SINAMICS) from 1024 to 2500. Verify that your controller’s maximum input frequency supports 2500 PPR × max RPM ÷ 60.
Q: What is the maximum cable length for the push-pull output?
A: Up to 100 meters with shielded twisted-pair cable (≥ 0.25 mm²) and proper grounding. For longer runs, consider an RS422 differential output variant.
Q: Is this encoder suitable for food & beverage or washdown environments?
A: IP65 provides protection against water jets but not full immersion. For washdown applications requiring IP67/IP69K, contact us for alternative Hengstler models.
Q: Do you provide a warranty?
A: All units carry a 90-day functional warranty from date of shipment. Extended warranty and service contracts are available on request.
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