Product Details
The ABB DX571 1TNE968902R2302, also cataloged as the DX571 Digital Input/Output Modules, operates as a dedicated hardware component for discrete signal acquisition and relay actuation within ABB S500-eCo automation platforms. The unit processes 8 digital input channels with sink/source configuration alongside 8 electromechanical relay outputs rated for 120 to 240 VAC at 2 A using a 1-wire connection scheme.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DX571 (Order Code: 1TNE968902R2302) |
| Brand | ABB |
| Origin | Germany |
| Weight | 0.14 kg |
| Dimensions | 34 mm x 74 mm x 135 mm (W x H x D) |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Powered via backplane bus and 24 VDC input supply |
| Digital Inputs | 8 DI (24 VDC, configurable sink/source) |
| Digital Outputs | 8 DO relay (120 to 240 VAC, 2 A) |
| Wiring Topology | 1-wire connection architecture |
| Product Type | Digital Input/Output Modules |
Firmware Flash Compatibility and I/O Density Scaling
The DX571 module integrates directly into the S500-eCo expansion bus, maintaining strict firmware flash compatibility across host CPU units. Its dual-function layout provides high I/O density scaling by fitting 8 discrete inputs and 8 relay outputs into a 34 mm module width. The internal backplane interface maintains high transmission velocity to execute real-time state updates without deterministic network timing jitter.
Frequently Asked Questions
Q: Can the relay outputs on the DX571 handle DC voltage switching loads?
A: The relay contact channels are rated primarily for 120 to 240 VAC at up to 2 A resistive load per point. Switching DC voltages above rated inductive thresholds requires external suppression diodes to prevent contact arc degradation.
Q: Is live module hot-swapping supported on the S500-eCo I/O bus?
A: No. The backplane logic power and 24 VDC field power supplies must be de-energized before mounting or removing the DX571 module to avoid communication bus errors and electrical contact damage.
Q: How are sinking and sourcing field inputs designated on the 8 DI channels?
A: The 8 digital inputs accept both sink (NPN) and source (PNP) field contact wiring. Polarity selection is established by wiring the common terminal reference on the module terminal strip.
Field Installation Guidelines
- Mount the DX571 onto a standard 35 mm DIN rail adjacent to the S500-eCo CPU or preceding I/O expansion module.
- Slide the module laterally along the DIN rail until the side-mounted backplane bus connector engages firmly with the adjacent module connector.
- Wire the 24 VDC digital input field supply, input sensor leads, and AC load relay circuits to the front terminal block according to the 1-wire installation diagram.
- Maintain low-impedance bonding between the DIN rail and the functional earth ground conductor in the control enclosure to prevent electromagnetic noise coupling into internal logic circuits.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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