{"product_id":"cdh75m-00001-sil3-rotary-encoder-hollow-shaft-ssi-tr-electronic","title":"CDH75M-00001 SIL3 Rotary Encoder Hollow Shaft SSI TR Electronic","description":"\u003ch2\u003e\u003cstrong\u003eTR CDH75M-00001: SIL3 25-Bit SSI Hollow Shaft Rotary Encoder\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e TR Electronic, \u003cstrong\u003eCDH75M-00001\u003c\/strong\u003e. \u003cspan style=\"color: #0066cc;\"\u003eSIL3 and PL e certified\u003c\/span\u003e for safety-critical tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Features:\u003c\/strong\u003e 25-bit total capacitance (8,192 steps\/revolution x 4,096 revolutions). \u003cspan style=\"color: #0066cc;\"\u003eTwo redundant detection systems\u003c\/span\u003e with mutual µC monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Standards:\u003c\/strong\u003e \u003cspan style=\"color: #0066cc;\"\u003eSIL3 (IEC 61508), PL e (ISO 13849)\u003c\/span\u003e. PFH of the complete system = 10×10⁻⁹ 1\/h.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Data:\u003c\/strong\u003e 11–27 V DC power supply. No-load current consumption: \u0026lt;150 mA at 24 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSI Interfaces:\u003c\/strong\u003e 2×SSI with CRC-safed protocol. Transferred values include position, sign-of-life counter, error bit, and CRC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnsafe Incremental Track:\u003c\/strong\u003e Fixed rectangle (RS 422) with 4,096 steps\/revolution. Signals: A, A-, B, B-.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Data:\u003c\/strong\u003e Permissible speed ≤3,000 min⁻¹. Shaft load = encoder dead weight. Bearing life ≥3.9×10¹⁰ revolutions (at ≤1,500 min⁻¹).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e IP54 rating (DIN EN 60529). Working temperature: 0°C … +60°C (option -20°C … +70°C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobustness:\u003c\/strong\u003e Vibration ≤100 m\/s² (50–2,000 Hz). Shock ≤1,000 m\/s² (half-sine, 11 ms).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermissible Angular Acceleration:\u003c\/strong\u003e ≤10⁴ rad\/s². Mass (typical): 1 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -30°C … +80°C (dry). Relative humidity: 98%, non-condensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the controller need safety analysis?\u003c\/strong\u003e A: Yes, the cross-validation and safety analysis must happen within your controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I get a different incremental pulse count?\u003c\/strong\u003e A: Yes, rectangle (RS 422) options: 1,024 \/ 2,048 \/ 4,096 \/ 8,192 \/ 16,384 \/ 32,768 steps\/rev.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the sign-of-life counter?\u003c\/strong\u003e A: It is a safed SSI protocol feature for monitoring communication integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the encoder ready for SIL3 systems?\u003c\/strong\u003e A: Yes, the \u003cstrong\u003eTR CDH75M-00001\u003c\/strong\u003e fully complies with SIL3 and PL e standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e© 2026 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e All rights reserved.\u003c\/strong\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"TR Electronic","offers":[{"title":"Default Title","offer_id":52087883268378,"sku":"CDH75M-00001","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/CDH75M-00001-1.jpg?v=1776310513","url":"https:\/\/www.ubestplc.com\/products\/cdh75m-00001-sil3-rotary-encoder-hollow-shaft-ssi-tr-electronic","provider":"Ubest Automation Limited","version":"1.0","type":"link"}