TWDLCAA40DRF

Schneider Electric

AI-generated · verify with manufacturerLast reviewed 2026-09-28

Overview

The TWDLCAA40DRF is a Compact base controller in the Twido range from Schneider Electric. It executes control logic for the Modicon TM logic controller / I/O architectures and operates from a limits : 85…264 V supply.

Application & Technical Notes

As a compact base controller, the TWDLCAA40DRF is intended for deployment in panel-based control cabinets and machine enclosures where the Modicon TM logic controller / I/O equipment is installed. It hosts the application program, executes the control cycle and orchestrates I/O scanning, communication and diagnostics for the station.

Key published characteristics include a limits : 85…264 V rating, an operating temperature range of 32...131 °F (0...55 °C). These values should be confirmed against the current manufacturer datasheet before final selection, as options and suffixes vary by configuration.

Maintenance & Diagnostics

Respect the published operating temperature window (32...131 °F (0...55 °C)); do not exceed it during commissioning or in enclosed panels without airflow. For storage and transit, keep the unit within -13...158 °F (-25...70 °C). Avoid condensation — the rated humidity is 30...95 % without condensation; store and operate the module in a dry, pollution-degree-appropriate enclosure. Back up the application program and parameter set before any firmware or hardware change; verify the memory/real-time-clock battery where fitted and replace on schedule. Monitor the module health LED and controller diagnostics; plan spares for critical stations to minimise downtime. Always de-energise the circuit and follow lock-out/tag-out before handling; refer to the official instruction bulletin for service procedures.

Sourcing & Procurement

When sourcing the TWDLCAA40DRF, distinguish three supply tiers: (1) genuine Schneider Electric stock from an authorised distributor; (2) compatible equivalents or surplus/NOS (new-old-stock) from third parties; (3) alternative parts offering equivalent function. Genuine supply carries the full warranty and traceability; compatible or alternative items may be cheaper but should be validated for form, fit, firmware and certification before use in a live system. PLCXpert publishes this page as an independent reference and does not sell the part — verify every claim with the manufacturer or your distributor.

Confirm the CPU matches your Modicon TM logic controller / I/O architecture, memory size, firmware revision and any required option/communication modules. Lead times and pricing vary by region and lifecycle status; obtain a current quote from an authorised channel rather than relying on stale listings.

Check live stock, lead time and request a quote for TWDLCAA40DRF (opens in a new tab)

Frequently Asked Questions

What is the TWDLCAA40DRF?

The TWDLCAA40DRF is a compact base controller in the Twido range from Schneider Electric. It is described by the manufacturer as: Compact base controller.

What are the key technical ratings of the TWDLCAA40DRF?

Its published highlights include limits : 85…264 V, operating temperature 32...131 °F (0...55 °C). Full electrical, mechanical and environmental limits are listed in the manufacturer datasheet and should be confirmed for your exact suffix.

How is the TWDLCAA40DRF mounted or installed?

Installation follows the standard Modicon TM logic controller / I/O mounting practice for this device class; refer to the installation manual for exact dimensions and torque.

Is the TWDLCAA40DRF compatible with my controller?

It is part of the Modicon TM logic controller / I/O family. Confirm the specific rack, firmware revision, slot rules and configuration with the controller documentation before purchase, as compatibility depends on the exact system build.

What should I check before buying the TWDLCAA40DRF?

Verify the genuine part number and suffix, confirm it matches your platform and ratings, check the current lifecycle/availability status, and buy from an authorised distributor. PLCXpert provides this reference only and does not sell the component.

Specifications

TWDLCAA40DRF | Schneider Electric | Compact Base Controller

Main

Note	Range of product Twido Product or component type Compact base controller Discrete I/O number 40 Discrete input number 24
Discrete input voltage 24 V	Discrete input voltage type DC Discrete output number 14 relay 2 transistor [Us] rated supply voltage 100...240 V AC Number of I/O expansion module 7 Use of slot Memory cartridge Data backed up Internal RAM (external battery TSXPLP01) 3 years Integrated connection type Power supply Serial link interface adaptor (RS232C/RS485) Non isolated serial link mini DIN, Modbus/character mode master/slave RTU/ASCII (RS485) half duplex, 38.4 kbit/s Complementary function Event processing PID

Note

Range of product Twido Product or component type Compact base controller Discrete I/O number 40 Discrete input number 24

Discrete input voltage 24 V

Discrete input voltage type DC Discrete output number 14 relay 2 transistor [Us] rated supply voltage 100...240 V AC Number of I/O expansion module 7 Use of slot Memory cartridge Data backed up Internal RAM (external battery TSXPLP01) 3 years Integrated connection type Power supply Serial link interface adaptor (RS232C/RS485) Non isolated serial link mini DIN, Modbus/character mode master/slave RTU/ASCII (RS485) half duplex, 38.4 kbit/s Complementary function Event processing PID

Complementary

Discrete input logic Sink or source	Input voltage limits 20.4...26.4 V Discrete input current 11 mA for I0.0 to I0.1 11 mA for I0.6 to I0.7 7 mA for I0.2 to I0.5 7 mA for I0.8 to I0.23 Input impedance 2100 Ohm for I0.0 to I0.1 2100 Ohm for I0.6 to I0.7 3400 Ohm for I0.2 to I0.5 3400 Ohm for I0.8 to I0.23 Filter time 150 µs + programmed filter time for I0.6 to I0.23 at state 0 35 µs + programmed filter time for I0.0 to I0.5 at state 1 40 µs + programmed filter time for I0.0 to I0.5 at state 0 40 µs + programmed filter time for I0.6 to I0.23 at state 1 Insulation between channel and internal logic 1500 Vrms for 1 minute Insulation resistance between channel None Minimum load 0.1 mA Contact resistance <= 30000 µOhm Load current 2 A at 240 V AC inductive load, operating rate = 30 cyc/mn for relay output 2 A at 240 V AC resistive load, operating rate = 30 cyc/mn for relay output 2 A at 30 V DC inductive load, operating rate = 30 cyc/mn for relay output 2 A at 30 V DC resistive load, operating rate = 30 cyc/mn for relay output Mechanical durability >= 20000000 cycles relay output Electrical durability >= 100000 cycles for relay output Current consumption 128 mA at 24 V DC at state 1 128 mA at 24 V DC state 1 + input ON 140 mA at 5 V DC state 1 + input ON 5 mA at 24 V DC at state 0 70 mA at 5 V DC at state 0 90 mA at 5 V DC at state 1 I/O connection Non-removable screw terminal block Input/output number <= 152 with removable screw terminal block with I/O expansion module <= 208 with spring terminal block with I/O expansion module <= 264 with HE-10 connector with I/O expansion module Network frequency 50/60 Hz Supply voltage limits 85...264 V Network frequency limits 47...63 Hz Power supply output current 0.4 A for 24 V DC sensors Input current 790 mA Inrush current <= 35 A Protection type Power protection with internal fuse Power consumption in VA 65 VA at 100 V 77 VA at 264 V Insulation resistance > 10 MOhm at 500 V, between I/O and earth terminals > 10 MOhm at 500 V, between supply and earth terminals Program memory 3000 instructions Exact time for 1 Kinstruction 1 ms System overhead 0.5 ms Memory description Internal RAM, 128 counters, no floating, no trigonometrical Internal RAM, 128 timers, no floating, no trigonometrical Internal RAM, 256 internal bits, no floating, no trigonometrical Internal RAM, 3000 internal words, no floating, no trigonometrical Internal RAM, double words, no floating, no trigonometrical Internal RAM, floating, trigonometrical Free slots 1 Realtime clock With, drift: <= 30 s/month, operating time: 30 days Positioning functions PWM/PLS 2 channel(s) at 7 kHz Counting input number 2 channel(s) at 20000 Hz 32 bits 4 channel(s) at 5000 Hz 16 bits Analogue adjustment points 1 point adjustable from 0...1023 1 point adjustable from 0 to 511 points Status LED 1 LED user pilot light (STAT) 1 LED green PWR 1 LED green RUN 1 LED per channel green I/O status 1 LED red module error (ERR) Depth 2.76 in (70 mm) Height 3.74 in (95 mm) Width 3.54 in (90 mm) Product weight 1.16 lb(US) (0.525 kg)

Discrete input logic Sink or source

Input voltage limits 20.4...26.4 V Discrete input current 11 mA for I0.0 to I0.1 11 mA for I0.6 to I0.7 7 mA for I0.2 to I0.5 7 mA for I0.8 to I0.23 Input impedance 2100 Ohm for I0.0 to I0.1 2100 Ohm for I0.6 to I0.7 3400 Ohm for I0.2 to I0.5 3400 Ohm for I0.8 to I0.23 Filter time 150 µs + programmed filter time for I0.6 to I0.23 at state 0 35 µs + programmed filter time for I0.0 to I0.5 at state 1 40 µs + programmed filter time for I0.0 to I0.5 at state 0 40 µs + programmed filter time for I0.6 to I0.23 at state 1 Insulation between channel and internal logic 1500 Vrms for 1 minute Insulation resistance between channel None Minimum load 0.1 mA Contact resistance <= 30000 µOhm Load current 2 A at 240 V AC inductive load, operating rate = 30 cyc/mn for relay output 2 A at 240 V AC resistive load, operating rate = 30 cyc/mn for relay output 2 A at 30 V DC inductive load, operating rate = 30 cyc/mn for relay output 2 A at 30 V DC resistive load, operating rate = 30 cyc/mn for relay output Mechanical durability >= 20000000 cycles relay output Electrical durability >= 100000 cycles for relay output Current consumption 128 mA at 24 V DC at state 1 128 mA at 24 V DC state 1 + input ON 140 mA at 5 V DC state 1 + input ON 5 mA at 24 V DC at state 0 70 mA at 5 V DC at state 0 90 mA at 5 V DC at state 1 I/O connection Non-removable screw terminal block Input/output number <= 152 with removable screw terminal block with I/O expansion module <= 208 with spring terminal block with I/O expansion module <= 264 with HE-10 connector with I/O expansion module Network frequency 50/60 Hz Supply voltage limits 85...264 V Network frequency limits 47...63 Hz Power supply output current 0.4 A for 24 V DC sensors Input current 790 mA Inrush current <= 35 A Protection type Power protection with internal fuse Power consumption in VA 65 VA at 100 V 77 VA at 264 V Insulation resistance > 10 MOhm at 500 V, between I/O and earth terminals > 10 MOhm at 500 V, between supply and earth terminals Program memory 3000 instructions Exact time for 1 Kinstruction 1 ms System overhead 0.5 ms Memory description Internal RAM, 128 counters, no floating, no trigonometrical Internal RAM, 128 timers, no floating, no trigonometrical Internal RAM, 256 internal bits, no floating, no trigonometrical Internal RAM, 3000 internal words, no floating, no trigonometrical Internal RAM, double words, no floating, no trigonometrical Internal RAM, floating, trigonometrical Free slots 1 Realtime clock With, drift: <= 30 s/month, operating time: 30 days Positioning functions PWM/PLS 2 channel(s) at 7 kHz Counting input number 2 channel(s) at 20000 Hz 32 bits 4 channel(s) at 5000 Hz 16 bits Analogue adjustment points 1 point adjustable from 0...1023 1 point adjustable from 0 to 511 points Status LED 1 LED user pilot light (STAT) 1 LED green PWR 1 LED green RUN 1 LED per channel green I/O status 1 LED red module error (ERR) Depth 2.76 in (70 mm) Height 3.74 in (95 mm) Width 3.54 in (90 mm) Product weight 1.16 lb(US) (0.525 kg)

Environment

Note	immunity to microbreaks 10 ms dielectric strength 1500 V for 1 minute, between I/O and earth terminals 1500 V for 1 minute, between supply and earth terminals product certifications CSA UL marking CE ambient air temperature for operation 32...131 °F (0...55 °C) ambient air temperature for storage -13...158 °F (-25...70 °C) relative humidity 30...95 % without condensation
IP degree of protection IP20	operating altitude 0...6561.68 ft (0...2000 m) storage altitude 0...9842.52 ft (0...3000 m) vibration resistance 0.075 mm, 10...57 Hz mounting on: 35 mm symmetrical DIN rail 1 gn, 57...150 Hz mounting on: 35 mm symmetrical DIN rail 1.6 mm, 2...25 Hz mounting on: plate or panel with fixing kit 4 gn, 25...100 Hz mounting on: plate or panel with fixing kit shock resistance 15 gn 11 ms

Reproduced from the manufacturer's published data. Values marked "Not available" are absent from the source document.