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RTAC-01

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The ABB RTAC-01 module converts encoder pulses into precise speed feedback with high resolution and integrated power outputs for industrial drives.
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Technical specifications for RTAC-01

  • Manufacturer:
    ABB
  • Part Number:
    RTAC-01
  • Product Family:
    ABB Drives
  • Product Type:
    64610805
  • Encoder interface:
    CH A, CH B, CH Z, differential or single-ended
  • Output voltage 1:
    +24 V DC ±10%, 5 W max., short circuit proof
  • Output voltage 2:
    +15 V DC ±10%, 5 W max., short circuit proof
  • Signal levels:
  • Frequency:
    200 kHz (max.)
  • Speed feedback resolution:
    0.00305% (15 bits)
  • Speed feedback accuracy:
    50 ppm
  • Maximum encoder cable length:
    300 m (differential push-pull);200 m (single-ended push-pull); 100 m (open collector or emitter)
  • Max. power consumption:
    140 mA (5 V) + 55 mA (24 V)
  • Estimated min. lifetime:
    100 000 h
  • Approved:
    All materials UL/CSA-approved
  • Weight:
    0.1 kg
  • Estimated shipping dimensions:
    6.2x9.3x3.8cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The ABB RTAC-01 Pulse Encoder Interface Module is a dedicated component for connecting encoders to ABB drive systems, enabling precise speed feedback and position monitoring. It supports core encoder channels (CH A, CH B, CH Z) with both differential and single-ended signal configurations, adapting to various encoder types commonly used in industrial motion control applications. Its dual short-circuit-proof voltage outputs (+24 V DC and +15 V DC, each 5 W max.) provide reliable power for connected encoders, eliminating the need for external power supplies.

Signal performance is a key strength of the RTAC-01: it handles up to 200 kHz signal frequency, delivering 15-bit speed feedback resolution (0.00305%) and 50 ppm accuracy—critical for high-precision processes like servo control or precision machining. The module also offers flexible cable length compatibility, with support for up to 300 m (differential push-pull) to accommodate large-scale equipment layouts. All materials meet UL/CSA standards, and it complies with EMC norms (EN 50081-2, EN 50082-2), ensuring stable operation in electromagnetic-noise-heavy industrial environments.

Installation of the RTAC-01 is streamlined for drive integration: it slots directly into Slot 1 or 2 of the drive’s RMIO board, secured by a clamp and two screws. These screws serve dual purposes: fastening the module and grounding the I/O cable shield, as well as connecting the GND signal between the module and the drive’s control board. Signal and power transmission to the drive occurs automatically via a built-in 38-pin connector, removing the need for manual wiring. While it can theoretically mount on a DIN rail adapter (AIMA-01), this accessory is currently unavailable.
Alternative Names
RTAC-O1 RTAC-0I RTAC-1 RTAC-001 RTAC_01 R-TAC01 RTACO1 RTAC0I RTAC01
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What encoder channels does the ABB RTAC-01 support?
It supports CH A, CH B, CH Z channels, with both differential and single-ended signal options.
What output voltages does the ABB RTAC-01 provide?
It offers two short-circuit-proof outputs: +24 V DC ±10% (max. 5 W) and +15 V DC ±10% (max. 5 W).
What’s the maximum frequency the ABB RTAC-01 can handle?
It supports a maximum frequency of 200 kHz for encoder signals.
What’s the maximum encoder cable length compatible with the ABB RTAC-01?
It varies by signal type: 300 m (differential push-pull), 200 m (single-ended push-pull), 100 m (open collector/emitter).
Does the RTAC-01 come with a warranty?
Yes, the RTAC-01 includes a free 1-year Apter Power warranty.
Is the ABB RTAC-01 a brand-new original product with fast delivery?
Absolutely—we provide 100% new original modules, which are in stock and ship within 2–3 working days.
How do I install the ABB RTAC-01?
Insert it into Slot 1 or 2 of the drive’s RMIO board, secure with a clamp, then tighten the two fixator screws (which also ground the cable shield).

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