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Product description

Heidenhain 671706-05 is the AK ERM 2280 scanning head for modular angle-measuring systems with 5200 signal periods. As the scanning element in an ERM-2280 system, it uses the MAGNODUR magnetoresistive principle to generate an analogue sinusoidal signal with an amplitude of ~1 VSS. This interface supports high-dynamic positioning tasks in direct drives, rotary tables and rotary axes of machining centres. Supply voltage is DC 5 V ±0.5 V, and typical current consumption is ≤ 150 mA without load. A cut-off frequency of ≥ 300 kHz supports control loops with high scanning rates. The head is rated IP67 under EN 60529 for protection against coolant, lubricant and dust in the machine environment. Connection to the downstream electronics uses a 12-pin M23 coupling. With HEIDENHAIN system cables, the maximum cable length is ≤ 150 m. A TTR-ERM-2200C measuring drum with an outside diameter of 326.90 mm is used for the 5200 signal periods. Maximum permissible mechanical drum speed is ≤ 4500 min⁻¹. The head withstands vibration under EN 60068-2-6 at ≤ 400 m/s2 and shock under EN 60068-2-27 at ≤ 1000 m/s2. Its operating-temperature range is –10 °C to +60 °C. Net weight is approximately 30 g without the connecting cable. Compare the complete Heidenhain 671706-05 identification before replacement. The modular, bearingless design requires no separate bearing assembly. Available directly from our warehouse in Germany.

Heidenhain 671706-05

Specifications

Manufacturer Heidenhain
Product series ERM 2280 series
Type code 671706-05
Component Scanning head (AK)
Signal periods 5200
Interface ~1 VSS (sinusoidal)
Power supply DC 5 V ±0.5 V
Power consumption ≤ 150 mA (without load)
Limit frequency (-3 dB) ≥ 300 kHz
Measuring-drum outside diameter 326.90 mm
Graduation period ≈ 200 μm
Electrical connection M23, 12-pin
Maximum drum speed ≤ 4500 min⁻¹
Protection rating IP67 (EN 60529)
Vibration resistance ≤ 400 m/s2 (EN 60068-2-6)
Shock resistance ≤ 1000 m/s2 (EN 60068-2-27)
Operating temperature –10 °C to 60 °C
Cooling method Natural convection
Weight ≈ 30 g (without connecting cable)
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

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Product safety

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FAQ

Frequently asked questions

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Is there a warranty?

Yes. We provide a 14-day functional warranty for used items. The component must be functional on arrival, and the warranty applies only while the warranty seal remains undamaged. If a fault occurs within 14 calendar days, please contact us in writing. Depending on availability, we will either provide a replacement or refund the full purchase price after the item has been returned. Further details are set out in the terms and conditions supplied with our quotation.

How quickly do you ship, and which shipping options are available?

We normally dispatch available items immediately and, in many cases, on the same working day. For urgent requirements or machine downtime, we will identify the fastest suitable option and can confirm a specific delivery window on request. Express shipping and collection from our premises are also possible by arrangement. We ship worldwide using reliable parcel and freight carriers; freight shipments may require additional preparation to ensure safe delivery.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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