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Product description

Heidenhain 1181313-05 is an AK scanning unit for the modular incremental ERA 4880 angle encoder. The bearingless optoelectronic measuring head is designed for demanding positioning tasks in machine tools, measuring machines and automation systems. It scans a steel drum with an 80 μm graduation and provides measuring steps from 0.005° to 0.0005°, depending on the evaluation electronics. Its analogue sine output delivers 1 Vpp signals for high-resolution interpolation within each signal period. The stated system accuracy is ±2.5", supporting high-dynamic servo and direct-drive applications in precision manufacturing. The −3 dB cut-off frequency is at least 350 kHz. Supply is DC 5 V ± 10 %, with current consumption of no more than 100 mA without load. Electrical connection uses a 1-m cable with an M23 coupling (12-pin); HEIDENHAIN system cables permit cable lengths up to 150 m. The modular system combines the AK ERA 4880 scanning unit, ID 1181313-05, with a separate TTR ERA 4880 steel drum having an inside diameter of at least 100 mm. An optional protective cover is available. The scanning unit weighs approximately 0.35 kg. The complete 1181313-05 identification must match the installed measuring system. The item is listed as being in as-new condition and is available from stock in Germany.

Heidenhain 1181313-05

Specifications

Manufacturer Heidenhain
Product series ERA 4880 series
Type code 1181313-05
Product type Scanning unit (AK), without integral bearing
Measurement principle Incremental, optical scanning
Graduation period 80 μm
Output signal 1 Vpp
Reference mark 1 reference mark (rectangular pulse)
Cut-off frequency (–3 dB) ≥ 350 kHz
Supply voltage DC 5 V ± 10 %
Power consumption Max. 100 mA (without load)
Electrical connection Cable with M23 coupling, 12-pin
Maximum cable length 150 m (with HEIDENHAIN cable)
Diameter range ≥ 100 mm
Measurement step range 0.005° up to 0.0005°
Cooling method No active cooling
Weight Approx. 0.35 kg
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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