TWDLCDA40DRF Schneider Twido Compact PLC 24I 16O 24V DC Modbus Base

TWDLCDA40DRF Twido Compact PLC Base – 40 IO, 24 V DC, Relay and Transistor Outputs

TWDLCDA40DRF is a compact base controller from the Twido range. Moreover, it gives you 40 built-in I/O. In addition, it runs on 24 V DC. Therefore, it fits small control panels. Furthermore, it mixes relay and transistor outputs. As a result, it handles many load types. Besides, it saves wiring time.

Core I/O Data

• Brand: Schneider Electric
• Model: TWDLCDA40DRF
• Series: Twido
• Type: Compact base controller
• Discrete I/O: 40 total
• Inputs: 24 at 24 V DC
• Input logic: Sink or source
• Outputs: 14 relay plus 2 transistor
• Supply voltage: 24 V DC
• Supply limits: 20.4 to 28.8 V
• Inrush current: ≤ 35 A
• Power use: ≤ 17.2 W
• Expansion modules: Up to 7
• Max I/O: 264 with HE-10; 208 with spring block; 152 with screw block

Input Details

• Input voltage limits: 20.4 to 26.4 V
• Input current: 7 mA (I0.2 to I0.5, I0.8 to I0.23); 11 mA (I0.0 to I0.1, I0.6 to I0.7)
• Input impedance: 3400 Ohm (I0.2 to I0.5, I0.8 to I0.23); 2100 Ohm (I0.0 to I0.1, I0.6 to I0.7)
• Filter time: 35 to 150 µs plus programmed delay
• Minimum load: 0.1 mA

Output Details

• Relay load current: 2 A at 30 V DC or 240 V AC, resistive or inductive, 30 cycles/min
• Relay life: ≥ 20 million mechanical cycles; ≥ 100,000 electrical cycles
• Contact resistance: ≤ 30,000 µOhm
• Insulation: 1500 Vrms for 1 minute between channel and logic

Memory and Performance

• Program memory: 3000 instructions
• Speed: 1 ms per 1K instructions
• System overhead: 0.5 ms
• Data backup: Internal RAM with lithium battery, 30 days; 10 h charge; 10-year life
• Memory types: Floating and trigonometric RAM; double words; 3000 internal words; 256 bits; 128 timers; 128 counters
• Free slots: 1 memory cartridge slot
• Clock: Yes, drift ≤ 30 s/month; 30-day run time

Functions and Communication

• Functions: Event processing, PID, PWM/PLS 2 channels at 7 kHz
• Counting: 4 channels at 5000 Hz (16-bit); 2 channels at 20000 Hz (32-bit)
• Analog adjust: 1 point from 0 to 1023; 1 point from 0 to 511
• Port: Non-isolated serial mini DIN, Modbus/character mode master/slave RTU/ASCII (RS485) half duplex, 38.4 kbit/s
• Adaptor: Serial link RS232C/RS485
• Connection: Non-removable screw terminal block

Power and Current Use

• Current at 5 V DC: 90 mA at state 1; 70 mA at state 0; 140 mA at state 1 plus input ON
• Current at 24 V DC: 5 mA at state 0; 128 mA at state 1; 128 mA at state 1 plus input ON
• Protection: Internal fuse
• Insulation resistance: > 10 MOhm at 500 V, supply to earth and I/O to earth

Status LEDs

• 1 red LED for module error (ERR)
• 1 green LED per channel for I/O status
• 1 green LED for RUN
• 1 green LED for PWR
• 1 LED for user pilot light (STAT)

Size and Weight

• Depth: 70 mm
• Height: 95 mm
• Width: 90 mm
• Weight: 0.525 kg

Environment and Standards

• Certifications: CSA, UL
• Marking: CE
• Operating temp: 0 to 55 °C
• Storage temp: -25 to 70 °C
• Humidity: 30 to 95 % without condensation
• IP degree: IP20
• Operating altitude: 0 to 2000 m
• Storage altitude: 0 to 3000 m
• Microbreaks: 10 ms
• Dielectric strength: 500 V for 1 minute supply to earth; 1500 V for 1 minute I/O to earth
• Vibration: 4 gn at 25 to 100 Hz on panel; 1.6 mm at 2 to 25 Hz on panel; 1 gn at 57 to 150 Hz on DIN rail; 0.075 mm at 10 to 57 Hz on DIN rail
• Shock: 15 gn for 11 ms

Expert Review

The TWDLCDA40DRF is a workhorse for small machines. It packs 40 I/O into a narrow base. Moreover, the relay outputs drive lamps, valves, and small motors. In addition, the two transistor outputs handle fast pulses. The Modbus port links HMIs and drives. However, the program memory is small at 3000 instructions. Therefore, keep logic simple. For legacy Twido systems, this base is a solid drop-in choice.

Manager’s Insight

We still see steady demand for the TWDLCDA40DRF. Many plants run Twido lines and need spare bases. The 24 V DC supply suits modern panels. The relay outputs reduce extra hardware. Moreover, stock is reliable. We ship in 12 to 24 hours. Therefore, downtime stays short. For Twido users, this base is a safe buy.

Best Fit Equipment and Applications

• Small packaging machines
• Conveyor controls
• Pump and fan panels
• Door and gate controls
• Lighting control cabinets
• Legacy Twido upgrades
• Apps with relays, lamps, and small valves

FAQ

Q: How many outputs does the TWDLCDA40DRF have?
A: It has 16 outputs. Specifically, 14 are relay type and 2 are transistor type. Therefore, you get both slow and fast switching in one base.

Q: Can I expand the I/O count?
A: Yes. You can add up to 7 expansion modules. Moreover, the max I/O depends on the terminal type. It reaches 264 points with HE-10 connectors.

Q: What communication port does it offer?
A: It has a non-isolated serial mini DIN port. In addition, it supports Modbus and character mode master/slave RTU/ASCII on RS485 half duplex.

Q: Does it have a real-time clock?
A: Yes. The clock drifts ≤ 30 s per month. Furthermore, the battery backs up data for 30 days. The battery life is about 10 years.

Q: What is the warranty and shipping time?
A: We offer a 12-month warranty. Furthermore, we ship in 12 to 24 hours by FedEx, UPS, or DHL.

Q: How do I choose the right Twido base?
A: Count your inputs and outputs. Check the output type you need. Pick relay for high current loads. Pick transistor for fast pulses. Then check the supply voltage. The TWDLCDA40DRF fits 24 V DC, 40 I/O, and Modbus needs.

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