Twido TWDNOZ485T – RS485 Serial Link Adaptor Module
TWDNOZ485T is a dedicated communication module for Twido modular base controllers. It integrates a serial link adaptor with RS485 support. The screw terminal block ensures secure and reliable field wiring. This module extends the connectivity of TWDLMDA40DTK, TWDLMDA20DTK, TWDLMDA40DUK, TWDLMDA20DUK, and TWDLMDA20DRT controllers. It is a separate part designed for industrial automation environments.
Technical Specifications
| Brand | Schneider Electric / Twido |
| Model | TWDNOZ485T |
| Product Type | Communication module with integrated serial link adaptor |
| Communication Port | RS485 |
| Electrical Connection | Screw terminal block |
| Measurement Range | Standard RS485 signaling range (up to 1200 m) |
| Frequency Response | Up to 115.2 kbps |
| Linearity & Resolution | Bit-accurate data transfer, 1-bit resolution |
| Temperature Range | -20°C to +60°C (operating) |
| Environmental Tolerance | IP20, resistant to humidity (5–95% non-condensing) |
| Noise Immunity | ESD, burst, and surge protection per IEC 61000-4 |
| Weight | 0.085 kg (0.187 lb) |
| Origin | JP (Japan) |
Installation & Wiring
- Screw terminal block – allows tool-less or screwdriver wiring.
- Mount directly on Twido modular base controllers (TWDLMDA series).
- Supports daisy-chain or multi-drop RS485 networks.
- Use shielded twisted-pair cable for optimal noise immunity.
Debugging, Maintenance & Compatibility
- Diagnostic LEDs – RX/TX activity and power indicators.
- Hot-swappable – replace without powering down the entire system.
- Compatible with TWDLMDA40DTK, TWDLMDA20DTK, TWDLMDA40DUK, TWDLMDA20DUK, TWDLMDA20DRT.
- Also supports Modicon Quantum series via adapter cable.
- Firmware agnostic – works with TwidoSuite and EcoStruxure.
Certifications & Standards
- CE, UL, and RoHS compliant.
- IEC 61131-2 industrial control equipment.
- ESD and surge tested per IEC 61000-4-2/-4-5.
Package Contents
- 1 × TWDNOZ485T communication module
- 1 × screw terminal connector (pre-installed)
- Quick start guide (multilingual)
Warranty & Shipping
- 12-month warranty – covers material and workmanship defects.
- Shipping via FedEx, UPS, or DHL – global express delivery.
- Tracking number provided within 24 hours.
Typical Applications & Diagnostics
- Applications: PLC-to-drive communication, remote I/O links, SCADA data acquisition, and Modbus RTU networks.
- Diagnostic capability: Real-time error counters, frame error detection, and parity check.
- LEDs indicate bus activity, collision, and power status.
FAQ – Quick Answers
- Q: Is this module compatible with Modicon M340? – No, it is designed for Twido and Modicon Quantum (with adapter).
- Q: What cable type is recommended? – Belden 9842 or equivalent shielded RS485 cable.
- Q: Can I use it in a daisy-chain topology? – Yes, up to 32 nodes per segment.
- Q: Does it support Modbus RTU? – Yes, native Modbus RTU master/slave.
- Q: Is the terminal block removable? – Yes, it is a pluggable screw terminal.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Global shipment – fast and reliable logistics.
- Tested surplus/refurbished – each unit verified before dispatch.
- 12-month warranty – full peace of mind.
- Technical verification – every module is functionally tested.
- Support for obsolete systems – we help keep legacy lines running.
For inquiries: info@oiltechcontrols.com
or +86 158 8020 0923 (WhatsApp)
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
Reviews
There are no reviews yet.