TWDDRA16RT-6 TWDDRA16RT-8 TWDDRA16RT-7 TWDDRA16RT-5

The Schneider TWDDRA16RT is a robust 16‑point relay output module designed specifically for the Twido PLC automation platform, providing reliable switching outputs for industrial control applications. With fully isolated relay outputs and flexible wiring support, this module delivers dependable performance in environments where load control and discrete output expansion are required. Its compact design and easily accessible terminals make it an ideal choice for machine control, process automation, and legacy Twido system upgrades.

Technical Specifications

Specification	Detail
Model	TWDDRA16RT
Module Type	Relay Output Module
Compatible Platform	Twido PLC
Number of Outputs	16 relay outputs
Output Type	SPDT relay contacts
Rated Load Voltage	24 V DC / 120 V DC / 240 V AC
Maximum Switching Current	2 A per channel
Isolation	Full channel isolation via relay contacts
Connection Type	Screw terminal block
Local Signaling	Status LEDs for outputs
Installation	DIN rail or panel mount
Dimensions (L×W×H)	95×30×75 mm
Weight	0.12 kg
Operating Temperature	0 °C to 55 °C
Storage Temperature	−25 °C to 70 °C
Humidity	30–95 % non‑condensing
Protection Rating	IP20
Lifecycle Status	Discontinued; available in aftermarket supply

Recommended Related Models

Model	Why It’s Recommended
TWDDDI8DT	8‑channel digital input module for signal acquisition
TWDDDI16DT	16‑channel digital input for larger I/O counts
TWDDDO8TT	8‑channel transistor output module
TWDLMDA20DUK	Base Twido PLC unit with integrated I/O

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Model	Key Strength
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Modicon M340	Modular PLC family for mid‑sized systems
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Applications

Switching loads such as lamps, valves, solenoids, and actuators
Discrete output expansion in machine control systems
Conveyor, packaging, and material handling applications
Industrial control panels requiring isolated relay outputs
Maintenance and retrofit of legacy Twido installations

Advantages

High Channel Density: 16 relay outputs in a compact form factor
Versatile Load Support: Capable of switching AC and DC loads with ease
Full Output Isolation: Relay contacts ensure robust electrical separation
LED Status Indicators: Visual output status simplifies troubleshooting
Simple Installation: Standard DIN rail or panel mounting

Technical FAQs

What is the TWDDRA16RT used for?
A relay output module for switching external loads from a Twido PLC.
How many outputs does it support?
16 relay outputs.
What types of loads can it switch?
It can switch DC and AC loads depending on the rated voltage and current.
What is the maximum switching current per channel?
Up to 2 A per output.
Are the outputs isolated?
Yes — each output is electrically isolated via relay contacts.
How is it mounted?
Supports DIN rail or panel mounting inside control cabinets.
What are its physical dimensions?
95×30×75 mm.
Is this product still manufactured?
It has been discontinued but remains widely available through aftermarket and refurbished sources.
What environments can this module operate in?
Typical industrial environments within specified temperature and humidity ranges.
Does the module have status indicators?
Yes — onboard LEDs indicate the state of each output channel.