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ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives

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ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives

ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives
ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives

Large Image :  ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives Get Best Price

Product Details:
Place of Origin: US
Brand Name: ABB
Certification: ATEX
Model Number: RTAC-01-KIT
Document: ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: carton
Delivery Time: Negotiable
Payment Terms: T/T,XT,ALIPAY
Supply Ability: 100pcs per month
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Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

ABB RTAC-01-KIT resolver interface card

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resolver interface card for ACS350 drives

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ACS550 drives resolver interface kit

ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives
ABB RTAC-01-KIT resolver-to-digital feedback card kit. For ACS350, ACS510, ACS550, ACS880 drives. Reads resolver signals for closed-loop vector control of induction/synchronous motors.

Product Overview

The ABB RTAC-01-KIT​ is a resolver-to-digital interface card kit​ (RTAC-01 module plus mounting hardware/cable harness) used to connect a motor-mounted resolver​ to ABB low- and medium-voltage AC drives — including ACS350, ACS510, ACS550, ACS580, ACS880 series. It enables closed-loop vector control (Closed Loop Flux Vector / DTC with feedback)​ by converting the resolver's sine/cosine analog signals into a digital position/speed value for the drive microprocessor. The "KIT" designation typically includes the RTAC-01 board, ribbon cable, and mounting screws.

Technical Specifications (Electrical & Interface)

Parameter
Specification
Catalog / Kit Number​
RTAC-01-KIT​ (Contains RTAC-01 Board + Harness/Hardware)
Function​
Resolver-to-Digital Converter (RDC) Interface Card​
Compatible Drives​
ABB ACS350, ACS510, ACS550, ACS580, ACS880 (slot-based or option-card ready units)
Resolver Excitation Frequency​
5 kHz or 10 kHz​ (Drive-selectable)
Resolver Excitation Voltage​
5 V RMS or 7 V RMS​ (Typical — matched to motor resolver)
Resolution (Tracking)​
12-bit (4096 counts/rev) typical — sufficient for speed & torque control
Inputs (from Resolver)​
Sine (SIN+/SIN−), Cosine (COS+/COS−), Reference (REF+/REF−) — via shielded twisted-pair cable
Outputs (to Drive)​
Digital position & speed data via internal bus (no user-accessible analog output)
Power Supply​
Derived from Drive Option Slot (typically +5 V / +24 V internally regulated)

Technical Specifications (Mechanical & Environmental)

Parameter
Specification
Form Factor​
Plug-in Option Card (mounts in Drive's Slot 1 / Option Slot)
Connection to Resolver​
Shielded Multi-conductor Cable (typically 6-wire: SIN±, COS±, REF±) — kit includes harness
Operating Temperature (Card)​
-10 … +50 °C​ (same envelope as host drive)
Storage Temperature​
-40 … +70 °C
Humidity​
5 … 95 % RH (non-condensing)
Compliance​
CE, UL, cUL, RoHS
Weight (Kit)​
~0.15 kg

Key Features

  • Closed-Loop Control Enablement:​ Allows ABB drives to run in speed-controlled closed-loop vector mode​ or torque control mode​ with a standard 2-pole resolver — no encoder required.
  • Plug & Play with ABB Drives:​ Auto-recognized by the drive firmware; parameter group (e.g., 99.03 MOTOR CONTROL MODE = CLOSED LOOP) activates resolver feedback automatically.
  • Noise Immunity:​ Resolver technology is inherently immune to EMI — superior to some incremental encoders in electrically noisy environments (welding, large VFDs nearby).
  • Kit Completeness:​ Includes the interface card, interconnect cable, and mounting hardware — no separate harness ordering needed for standard installations.

Applications

  • High-Performance Speed/Torque Control:​ Cranes, winders, extruders, and test stands requiring tight speed regulation with a rugged resolver feedback device.
  • Harsh EMI Environments:​ Steel mills, paper machines, and mining conveyors where resolvers survive better than optical encoders.
  • Retrofit / OEM:​ Adding closed-loop capability to ACS350/510/550/880 drive installations originally specified for V/f or scalar control.
Note: The RTAC-01 card is not​ an incremental encoder (HTL/TTL/RS422) interface — for quadrature encoders, use the RTAC-02 (Encoder Interface Card)​ instead. Verify your motor has a 2-pole resolver (SIN/COS/REF) before ordering. Some compact drives (ACS355 etc.) may have the option slot on the control unit; larger ACS880 uses a separate I/O extension rack — confirm slot availability in the drive manual.

ABB RTAC-01-KIT | Resolver Interface Card Kit for ACS350/510/550 Drives 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL  to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

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Frequently Ask & Questions
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Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

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Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

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We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Ratings & Review

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F
Farhan
Pakistan Apr 22.2026
Helpful (1)
ABB TU551-CS31 terminal works reliably for AC500 PLC systems.
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