{"product_id":"abb-otac-01-3aua0000002051-pulse-encoder-interface-module-acs550","title":"ABB OTAC-01 3AUA0000002051 Pulse Encoder Interface Module ACS550","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eABB OTAC-01 3AUA0000002051\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eOTAC-01\u003c\/strong\u003e Pulse Encoder Interface Module, operates as a dedicated hardware component for digital encoder feedback acquisition within ABB ACS550 drive platforms.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eModel Identification \u0026amp; Configuration\u003c\/h3\u003e\n\u003cp\u003eThe OTAC-01 3AUA0000002051 is an encoder feedback interface module designed for ABB ACS550 variable frequency drives. It provides a connection interface between a digital pulse encoder and the drive control system for speed and position feedback processing.\u003c\/p\u003e\n\u003cp\u003eThe module supports three encoder input channels, including CH A, CH B, and CH Z, allowing incremental encoder signals to be transferred into the ACS550 drive control architecture.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eOTAC-01 3AUA0000002051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model\u003c\/td\u003e\n\u003ctd\u003eOTAC-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePulse Encoder Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eACS550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.05 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e7.8 x 6.3 x 2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSupplied through ACS550 interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder Channels\u003c\/td\u003e\n\u003ctd\u003eCH A, CH B, CH Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Frequency\u003c\/td\u003e\n\u003ctd\u003e200 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e7.5 V to 26 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Impedance\u003c\/td\u003e\n\u003ctd\u003e660 ohm at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder Power Supply\u003c\/td\u003e\n\u003ctd\u003eExternal supply required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Drive Series\u003c\/td\u003e\n\u003ctd\u003eABB ACS550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eABB Drive Feedback Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe OTAC-01 provides encoder feedback integration for ABB ACS550 drives requiring closed-loop speed or position control. The module receives incremental pulse signals from a digital encoder and transfers feedback information to the drive control system.\u003c\/p\u003e\n\u003cp\u003eThe interface supports industrial motion control functions where accurate motor shaft speed and angular position feedback are required. The module itself does not generate encoder power and requires an external supply or an available drive 24 VDC source within specified current limitations.\u003c\/p\u003e\n\u003cp\u003eThe input structure supports CH A, CH B, and CH Z encoder channels for incremental feedback applications.\u003c\/p\u003e\n\u003ch3\u003eACS550 Encoder Integration and Control Functions\u003c\/h3\u003e\n\u003cp\u003eThe OTAC-01 extends ACS550 drive capability by enabling encoder-based feedback control instead of open-loop speed regulation. The module supports deterministic feedback signal acquisition for applications requiring improved speed regulation and motor synchronization.\u003c\/p\u003e\n\u003cp\u003eABB drive firmware compatibility and control parameter configuration are managed through the ACS550 drive platform. The encoder interface module functions as an additional hardware input layer for the drive control system.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB OTAC-01 3AUA0000002051 Pulse Encoder Interface Module\u003c\/li\u003e\n\u003cli\u003e1 x OTAC-01 encoder interface assembly\u003c\/li\u003e\n\u003cli\u003eEncoder cables, external encoder power supply, drive unit, and configuration tools are not included unless specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the OTAC-01 module only in compatible ABB ACS550 drive configurations.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is securely seated before applying power.\u003c\/li\u003e\n\u003cli\u003eFollow ABB drive installation procedures for option module mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEncoder Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect encoder signals to the designated CH A, CH B, and CH Z terminals.\u003c\/li\u003e\n\u003cli\u003eVerify encoder signal polarity and wiring sequence before commissioning.\u003c\/li\u003e\n\u003cli\u003eUse shielded encoder cables to reduce electrical interference in high-noise environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDo not connect the encoder directly to the OTAC-01 for power supply.\u003c\/li\u003e\n\u003cli\u003eUse an external encoder supply or the ACS550 24 VDC terminals when the total current draw remains within the drive supply capability.\u003c\/li\u003e\n\u003cli\u003eConfirm grounding and cable shielding before startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the function of ABB OTAC-01 3AUA0000002051?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The OTAC-01 provides an interface between digital pulse encoders and ABB ACS550 drives for speed and position feedback applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which encoder channels are supported by OTAC-01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module supports three incremental encoder channels: CH A, CH B, and CH Z for feedback signal acquisition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e**Q: Does OTAC-01 provide power to the encoder?\u003c\/p\u003e\n\u003cp\u003eA: No. The module does not supply encoder power. An external supply or suitable ACS550 24 VDC source must be used.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e**Q: What is the maximum encoder input frequency?\u003c\/p\u003e\n\u003cp\u003eA: The specified maximum input frequency is 200 kHz for connected digital pulse encoder signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e**Q: What input voltage range does OTAC-01 support?\u003c\/p\u003e\n\u003cp\u003eA: The module accepts encoder input signals within a voltage range of 7.5 V to 26 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e**Q: Is OTAC-01 compatible with ACS550 drives?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module is designed as an encoder interface option for ABB ACS550 variable frequency drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e**Q: What is the nominal input impedance of the encoder interface?\u003c\/p\u003e\n\u003cp\u003eA: The nominal input impedance is 660 ohm when operating with a 24 VDC encoder signal source.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e**Q: Does OTAC-01 require separate firmware installation?\u003c\/p\u003e\n\u003cp\u003eA: No. The module operates as an ACS550 hardware option, with configuration handled through the drive control system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021057478829,"sku":"3AUA0000002051","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb_otac-013aua0000002051_3.jpg?v=1787581194","url":"https:\/\/www.maxwellplc.com\/products\/abb-otac-01-3aua0000002051-pulse-encoder-interface-module-acs550","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}