Heidenhain RON 785C 18000 03S12 01.00 Rotary Encoder
Heidenhain RON 785C 18000 03S12 01.00 Rotary Encoder
1 left in stock
The Heidenhain RON 785C is an angle encoder from the RON 700 series, designed for absolute position measurement in rotary applications. This unit carries the manufacturer identification number IdNr 311262-01. The designation RON 785C 18000 03S12 01.00 indicates 18,000 lines per revolution with EnDat 2.2 digital serial interface (03S12 code). These encoders are commonly fitted to rotary tables, machine tool axes, and precision indexing systems where absolute angle feedback is required after power loss. Also searched as RON785C1800003S1201.00.
Specifications
| Part Number | RON 785C 18000 03S12 01.00 |
| Manufacturer ID | 311262-01 |
| Encoder Type | Absolute angle encoder |
| Lines per Revolution | 18,000 |
| Interface | EnDat 2.2 serial (03S12) |
| Series | RON 700 |
| Condition | Used-Untested |
| Warranty | 14–30 days |
Condition & testing
This encoder is sold as used-untested surplus stock. The unit has not undergone functional testing for communication, output accuracy, or power draw. Cosmetic condition and the presence of mounting hardware or cable were not documented at intake. Buyers should plan for in-house verification or professional testing before integration into a live system.
Compatibility
Please contact us to confirm compatibility with your configuration.
What's included
Encoder unit only (no cable or mounting hardware documented)
Compatible & Related
Compatibility notice: Part numbers are listed for identification only. Always confirm the exact part number and revision match your equipment before ordering.
Condition disclosure: Unless stated as new, items are used or refurbished and may show cosmetic signs of prior use. Functional condition is described above.
Independent reseller: Samonde is an independent reseller and is not affiliated with, authorized by, or endorsed by the original manufacturer.
Installation warning: Industrial automation components must be installed and commissioned by qualified personnel. Samonde accepts no liability for damage or injury resulting from incorrect installation or use.

FAQs
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We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and bank transfers for B2B orders. For large industrial orders, we also offer invoice payment with NET-30 terms for verified business customers.
Are the parts on your website tested and genuine?
Yes. Every part sold by Samonde is professionally tested by our technicians in Tallinn before shipping. We source directly from decommissioned industrial equipment, authorized distributors, and certified surplus stock. Each item comes with a functionality warranty.
Do you offer warranties on industrial spare parts?
Absolutely. All parts come with a minimum 14-30 day warranty. Many items, especially Siemens and Heidenhain components may have include extended 90-day coverage (depends on the parts). If a part fails during the warranty period, we offer replacement or full refund.
Can you source a part that is out of stock?
Yes. If you need a specific Siemens, Heidenhain, Fanuc, or other industrial part that is currently out of stock, contact us with the part number. Our sourcing team across Europe can usually locate hard-to-find automation components within 5-10 business days.
How do I know I'm ordering the correct part for my machine?
Each product listing includes the exact manufacturer part number (MPN), compatibility notes, and photos of the actual item. If you are unsure, send us your machine model and part number via the Contact page or WhatsApp, and our engineers will verify compatibility before you purchase.
Do you ship internationally outside the EU?
Yes. Samonde ships worldwide from our EU warehouse. We offer UPS and DHL Express and standard freight options to North America, Asia, Middle East, and South America. All shipments include tracking and customs documentation.
Heidenhain RON 785C 18000 03S12 01.00 Rotary Encoder