TWDLCAA16DRF Twido Compact Controller | Schneider Electric

TWDLCAA16DRF Compact Base Controller

Brand: Schneider Electric
Model: TWDLCAA16DRF
Series: Twido
Type: Compact Base Controller, Extendable

100-240 VAC Supply – 9 inputs (24 VDC), 7 relay outputs. Compact and extendable for small to mid-size automation tasks.

Oiltech Controls’s Insight

• Proven choice for legacy system upgrades and new compact PLC installations.
• Direct replacement for aging Twido bases – maintains existing wiring and logic.
• Ideal for pump control, conveyor logic, HVAC, and packaging machinery.
• Supports Modbus RTU (RS485) for easy integration with SCADA or HMI.

Key Technical Specifications

• Supply: 100-240 VAC, 50/60 Hz, 22-31 VA
• Discrete I/O: 9 inputs (24 VDC, sink/source) + 7 relay outputs (2A)
• Memory: 2000 instructions, 128 counters/timers, 3000 internal words
• High-speed counter: 1x 32-bit (20 kHz) + 3x 16-bit (5 kHz)
• Communication: Non-isolated RS485 (Modbus RTU/ASCII), mini-DIN
• Program scan: ~1 ms per 1K instructions
• Analogue trim: 1 point adjustable (0-1023)
• Removable screw terminals – easy field wiring

Environmental & Mechanical

• Operating temp: 0°C to 55°C (32-131°F)
• Storage: -25°C to 70°C (-13-158°F)
• Humidity: 30-95% (non-condensing)
• Protection: IP20, vibration/shock resistant (DIN rail or panel mount)
• Weight: 0.25 kg (0.55 lb)

Certifications & Compatibility

• UL, CSA, CE – compliant with global standards
• Compatible with: Twido expansion modules, memory cartridges, RTC cartridge
• Integration: Works with Modicon Quantum, M340, and third-party HMI/SCADA via Modbus

Package Contents

• TWDLCAA16DRF base controller (with screw terminals)
• Quick reference guide
• No memory cartridge included (order separately)

Shipping & Warranty

• 12-month warranty – full coverage against defects
• Dispatch: 24-28 hours from order confirmation
• Carriers: FedEx, UPS, DHL (tracked & insured)

Typical Applications

• Small conveyor control systems
• HVAC fan/pump sequencing
• Packaging line indexing
• Water treatment dosing panels
• Machine tool interlocks

5 Professional FAQs

• Can TWDLCAA16DRF replace TWDLCAA16D without rewiring?

  Yes, the terminal layout is identical. Drop-in replacement for most existing Twido bases.

• Does it support real-time clock?

  No built-in RTC, but you can add the TWDXCPRTC cartridge in the free slot.

• What is the maximum expansion I/O?

  You can add up to 4 expansion modules (digital/analog) via the side bus.

• Is the RS485 port isolated?

  No, it is non-isolated. Use an external isolator if connecting to noisy field devices.

• Which software is used for programming?

  TwidoSuite or EcoStruxure Machine Expert – Basic. Ladder and FBD supported.

Why Buy From Oiltech Controls?

• Decade-plus expertise – 15+ years supplying industrial automation spares.
• Global logistics – fast, reliable shipping via FedEx/UPS/DHL.
• Thoroughly tested surplus and refurbished options available.
• 12-month peace of mind – warranty with technical verification prior to dispatch.
• Specialist support for obsolete systems (including Modicon, Twido, Quantum).

Contact Information
Inquiries: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923

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