TWDLCAA16DRF Twido Compact Controller | 9 Inputs, 7 Relay Outputs, 100-240VAC

Product Overview

• TWDLCAA16DRF – Twido compact base controller
• Power supply: 100 to 240 V AC
• Total I/O: 16 points
• Inputs: 9 x 24 V DC (sink or source)
• Outputs: 7 x relay
• Expandable with memory or RTC cartridge
• Lightweight: 0.25 kg

Key Technical Data

• Brand: Twido (Schneider Electric)
• Model: TWDLCAA16DRF
• Type: Compact base controller
• Supply voltage: 100…240 V AC (85…264 V limit)
• Frequency: 50/60 Hz (47…63 Hz limit)
• Discrete inputs: 9 (24 V DC)
• Input current: 11 mA (I0.0-I0.1), 7 mA (I0.2-I0.8)
• Input impedance: 2100 Ω (I0.0-I0.1), 3400 Ω (I0.2-I0.8)
• Discrete outputs: 7 relay
• Load current: 2 A per output (resistive or inductive)
• Mechanical durability: 20,000,000 cycles
• Electrical durability: 100,000 cycles
• Program memory: 2000 instructions
• Exe time (1K inst): 1 ms
• System overhead: 0.5 ms
• Memory: 128 counters, 128 bits, 64 timers, 3000 words
• Free slots: 1
• Analogue adjustment: 1 point (0…1023)

Connectivity and Communication

• Non-isolated serial link (mini DIN)
• Protocol: Modbus (RTU/ASCII), master/slave
• Mode: RS485 half duplex
• Speed: 38.4 kbit/s
• Adapter: RS232C/RS485

Isolation and Protection

• Insulation: 1500 Vrms (1 min) between channels and logic
• Dielectric strength: 1500 V (I/O to earth, supply to earth)
• Insulation resistance: >10 MΩ at 500 V
• Protection: Internal fuse
• Immunity to microbreaks: 10 ms

Environmental Specifications

• Operating temp: 0…55 °C
• Storage temp: -25…70 °C
• Humidity: 30…95% (no condensation)
• Protection: IP20
• Operating altitude: 0…2000 m
• Storage altitude: 0…3000 m
• Vibration: 0.075 mm (10-57 Hz), 1 gn (57-150 Hz)
• Shock: 15 gn (11 ms)

Certifications and Compliance

• UL listed
• CSA certified
• CE marked
• RoHS compliant

What is in the Box and Warranty

• 1 × TWDLCAA16DRF base controller
• 1 × screw terminal block (non-removable)
• Quick start guide (digital)
• Warranty: 12 months from delivery
• Shipping: 12–24 hours dispatch via FedEx, UPS, DHL

Expert Review

• The TWDLCAA16DRF is a reliable workhorse for small machines. Its 9 inputs and 7 relay outputs cover most basic control needs. The built-in Modbus serial link simplifies connection to HMI and drives. Easy to program and quick to deploy.

Manager Insight

• For plant managers, this controller offers great value. It reduces spare parts complexity. The compact size saves panel space. Quick shipping and global support keep your production on track.

Applications and Suitable Equipment

• Small conveyor systems
• Packaging machines
• HVAC control panels
• Water treatment pumps
• Lighting control
• Simple sorting and counting stations
• Twido expansion I/O modules

Comparison with Similar Models

• Twido TWDLCAA24DRF – 14 inputs, 10 relay outputs, more I/O points
• Twido TWDLCAA10DRF – 6 inputs, 4 relay outputs, smaller footprint
• Schneider M221 – higher performance, Ethernet option

Frequently Asked Questions

• How many inputs and outputs does this controller have?
• It has 9 digital inputs and 7 relay outputs.
• What is the supply voltage range?
• Rated 100-240 V AC, with limits from 85 to 264 V.
• Can I expand this controller with extra modules?
• Yes, it has one free slot for memory or RTC cartridge.
• What communication protocol does it support?
• It supports Modbus RTU/ASCII via RS485 serial link.
• Is the controller suitable for harsh environments?
• Yes, it works from 0 to 55 °C and has IP20 protection.

Selection Guide (based on experience)

• Choose this model if you need 9 inputs and 7 relay outputs.
• For more outputs, consider TWDLCAA24DRF.
• Use the serial link for simple HMI or drive communication.
• Add an RTC cartridge if time-stamping is required.
• Check load current (2A max per relay) for your devices.

Ordering and Contact

• For inquiries: sales@powergearx.com
• WhatsApp: +86 18030005825
• Model to order: TWDLCAA16DRF

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