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Schneider Electric TWDNOZ485T – RS‑485 Modbus Adapter for Twido PLCs

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US$ 2560.00 ≥1 Blade
Key Specifications
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I/O Number:
SIEMENS TWDNOZ485T
Model Number:
SIEMENS TWDNOZ485T
Condition:
NEW
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Xiamen Xiongba E-commerce Co., LTD
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I/O Number SIEMENS TWDNOZ485T
Model Number SIEMENS TWDNOZ485T
Condition NEW
Warranty One Year
Package Original Packaging
HS Code 853890
Order Placement Process & Guarantees

  • Warranty: 365 days

  • Lead time: 1 week when in stock; no more than 1 month at the latest

  • Payment: 50% advance payment, balance due prior to delivery

  • Express options: FedEx, UPS, DHL

Key Features

  • Native RS‑485 for Twido – Adds a Modbus RTU port directly to the Twido controller port; no external power typically required.

  • Terminal‑style wiring (T‑version) – Screw terminals for A/B/COM keep field wiring simple and serviceable.

  • Modbus RTU connectivity – Connects to Altivar drives, Magelis HMIs, power meters, and third‑party Modbus devices in most cases.

  • Compact and robust – Small footprint accessory that seems to hold up well in standard control cabinets.

  • Quick commissioning – From my experience, parameterizing the port in TwidoSuite and setting device addresses is usually a minutes‑not‑hours task.

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Technical Specifications
Brand / Model Schneider Electric TWDNOZ485T
HS Code 8538.90 (Parts suitable for 8535/8536/8537 apparatus)
Power Requirements Powered via Twido controller port; no external power supply typically needed
Dimensions & Weight Compact terminal adapter; lightweight design (hand‑held accessory)
Operating Temperature 0 to 55 °C (32 to 131 °F), typical for Twido accessories
Signal I/O Types RS‑485 (Modbus RTU), usually 2‑wire half‑duplex with A/B/COM screw terminals
Communication Interfaces 1 × RS‑485 field connection; mates to Twido controller communication port
Installation Method Terminal version (T): mounts at the controller; wire to field bus via screw terminals
Compatible Systems Twido PLC families; Modbus RTU devices (e.g., Altivar drives, Magelis HMI, power meters)
Application Fields

This adapter is commonly used on compact machines where a small Twido needs to talk Modbus: packaging lines, OEM conveyors, HVAC fans with Altivar drives, pump skid controls in water/wastewater, and utility sub‑metering. You might notice that it’s especially handy for retrofits—adding a few Modbus slaves without re‑engineering the whole panel.

A packaging OEM told us they swapped in two additional drives during startup and simply extended the RS‑485 daisy chain with the TWDNOZ485T—no cabinet redesign, no power budget changes. That kind of flexibility tends to save time on site.

Advantages & Value

  • Low overhead – Adds Modbus comms without a full expansion module; fewer parts to stock and maintain.

  • Compatibility – Plays well with Schneider ecosystems and most third‑party Modbus RTU devices.

  • Procurement simplicity – Single accessory, short lead time, and easy replacement if needed.

  • Serviceability – Terminal wiring and clear A/B/COM labeling reduce commissioning errors in many cases.

Installation & Maintenance

  • Cabinet & environment – Install in a clean, ventilated control cabinet; typical Twido ambient 0–55 °C. Avoid excessive vibration and electrical noise sources.

  • Wiring best practices – Use shielded twisted pair (RS‑485 grade), daisy‑chain topology, 120 Ω termination at both ends, and biasing per network design. Keep power and motor cables separated.

  • Grounding & shielding – Bond shield at a single point to reduce ground loops; in noisy environments, bonding at the PLC end usually works best.

  • Safety – Power down the PLC before connecting; observe ESD precautions when handling the adapter.

  • Routine checks – Periodically inspect terminal tightness, cable integrity, and network termination. Firmware settings for the Twido port (baud, parity, addressing) should be documented and backed up.

Quality & Certifications

  • Typically complies with CE directives; RoHS compliant

  • UL/cUL recognition for related Twido accessories in many regions

  • Manufacturer’s standard global warranty (Schneider Electric; typically 18 months from shipment)

  • We provide a 365‑day warranty and fast replacement support

Need help confirming compatibility with your Twido CPU or Modbus slaves? From my experience, sharing the device list (drive models, HMI, meters) and desired baud/format lets us validate the topology and termination quickly before you place the order.

Product Tags: SIEMENS TWDNOZ485T , TWDNOZ485T

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Xiamen Xiongba E-commerce Co., LTD
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2014
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
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