Oiltech Controls’s Insight
The TWDNOZ485D is a compact serial link adaptor module for Twido controllers. It provides an RS485 interface via a mini-DIN connector. This module expands communication capabilities for modular base controllers. It is a separate part, not integrated into the CPU. Use it to connect to field devices, drives, or HMI panels.
Key Technical Data
- Product Type: Communication module with integrated serial link adaptor.
- Series: Twido (Schneider Electric).
- Communication Port: RS485, 1 connector (mini-DIN, 8 pins).
- Compatibility: TWDLMDA20DTK, 40DTK, 40DUK, 20DUK, 20DRT.
- Weight: 0.085 kg (0.187 lb).
- Origin: JP. GTIN: 3595862044332.
Compatible Devices
- Twido modular base controllers (all listed models).
- RS485 networks with Modbus or proprietary protocols.
- Remote I/O, variable speed drives, and operator terminals.
- Legacy systems requiring an RS485 upgrade.
Why Buy From Oiltech Controls?
- Decades of expertise: Over 15 years in industrial automation spares.
- Worldwide delivery: Fast shipping via FedEx, UPS, or DHL.
- Quality assured: Every unit is tested (surplus or refurbished).
- Peace of mind: 12-month warranty on all items.
- Pre-shipment check: Technical verification before dispatch.
- Obsolescence support: We help keep older systems running.
Shipping & Warranty
- Dispatch: 24-28 hours after order confirmation.
- Carriers: FedEx, UPS, or DHL (tracking provided).
- Warranty: Full 12-month coverage against defects.
Professional FAQ
- Q: Can this module replace a built-in serial port?
- A: Yes, it adds RS485 to controllers without native serial. It works as an external adaptor.
- Q: Is the TWDNOZ485D compatible with Modbus RTU?
- A: Yes. RS485 supports Modbus RTU, which is common in Twido systems.
- Q: How do I wire the mini-DIN connector?
- A: Use the 8-pin mini-DIN. Refer to the Twido wiring guide for pinout (D+/D-/GND).
- Q: Does it work with non-Schneider PLCs?
- A: It is designed for Twido, but can interface with any RS485 device using the same protocol.
- Q: What is the maximum cable length for RS485?
- A: Up to 1200 meters with proper termination and shielding.
Selection Guide
- Choose this module if you need a dedicated RS485 port.
- It is ideal for multi-drop networks with up to 32 devices.
- For isolated RS485, consider separate isolators.
- Ensure your base controller is in the compatibility list.
For inquiries, contact info@oiltechcontrols.com or +86 158 8020 0923 (WhatsApp).
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