{"product_id":"siemens-6sn1121-0ba12-0aa0-simodrive-611-a-closed-loop-plug-in-control-unit","title":"Siemens 6SN1121-0BA12-0AA0 SIMODRIVE 611-A Closed-Loop Plug-In Control Unit","description":"\u003cp\u003eSiemens 6SN1121-0BA12-0AA0 SIMODRIVE 611-A Closed-Loop Plug-In Control Unit for main spindle drive, Version A. Designation on label: REG.EINSCH.HSA-ANALOG (Regelungseinschub HSA-Analog). Internal drawing number GWE-566008901601. Part of the Siemens SIMODRIVE 611-A series of analog spindle drive control modules. Designed for use with Siemens 1PH series main spindle motors with a direct TTL measuring system interface. Plug-in regulation card that mounts into a compatible SIMODRIVE 611 power module such as the 6SN1123 series. Features onboard processor, daughter card expansion connectors, fan cooling, NAS relay, and multi-axis interface connectors including X211, X431, and JX5 visible on the PCB. 32.0000 MHz oscillator crystal dated 07\/94 visible on control board. Made in Germany by Siemens. CE marked. Discontinued model; replaced in current product lines by the 6SN1121-0BA11-0AA1. Compatible with Siemens SINUMERIK CNC systems including Series 0C, 810, 820, and related platforms using the SIMODRIVE 611-A analog drive architecture. Suitable for CNC machining centers, lathes, and milling machines requiring precise closed-loop spindle speed and position control.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0226-389\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49494493102320,"sku":"m00389","price":669.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/s-l1600_4_466ebad7-4ea5-4e3d-b3aa-852cc5acbb6d.webp?v=1775225477","url":"https:\/\/mroexchange.com\/products\/siemens-6sn1121-0ba12-0aa0-simodrive-611-a-closed-loop-plug-in-control-unit","provider":"MRO Exchange","version":"1.0","type":"link"}