TWDLCAE40DRF | SOR Compact Base Controller Supplier

What Is the TWDLCAE40DRF Compact Base Controller?

When your automation system demands a reliable and integrated control solution, the TWDLCAE40DRF from SOR stands ready. This compact base controller, part of the Twido family, combines 24 discrete DC inputs and 16 outputs—2 transistor and 14 relay—in a single unit. With a rated supply voltage of 100...240 V AC, it adapts to global power standards. The built-in Ethernet TCP/IP RJ45 port at 10/100 Mbit/s enables seamless network connectivity, making the TWDLCAE40DRF a solid choice for modern industrial applications.

Key Features & Technical Specs of the TWDLCAE40DRF

• Discrete I/O: 24 inputs at 24 V DC (sink or source logic) and 16 outputs (2 transistor, 14 relay).
• Integrated Ethernet: One RJ45 port supporting 10/100 Mbit/s for transparent ready class A10 communication.
• Serial Link: Non-isolated mini DIN RS485 for Modbus/character mode master/slave RTU/ASCII up to 38.4 kbit/s.
• Memory & Expansion: Internal RAM with 3000 instruction program memory, plus 7 expansion module slots.
• Power Supply: 100...240 V AC input with a built-in 24 V DC sensor supply output at 0.4 A.
• Environmental Ratings: IP20 protection, operating temperature 0...55 °C, and vibration resistance up to 1 gn at 57...150 Hz.

A standout spec is the input filter time: as low as 35 µs for fast inputs (I0.0 to I0.5 at state 1), which ensures rapid response in high-speed counting or event-driven tasks.

Real-World Applications for the TWDLCAE40DRF

In packaging lines, the TWDLCAE40DRF handles discrete sensor inputs and relay outputs for conveyor control. For building automation, its Ethernet connectivity supports remote monitoring via Modbus TCP/IP. Additionally, the PID function and event processing make it suitable for simple process control loops, such as temperature regulation in ovens.

Installation & Setup Guide

Mount the TWDLCAE40DRF on a 35 mm symmetrical DIN rail within a panel rated IP20 or higher. Connect the 100...240 V AC supply to the dedicated terminals, ensuring the power is off during wiring. Use the non-removable screw terminal block for I/O connections; for expansion modules, optional removable screw, spring, or HE-10 connectors are available. Configure the Ethernet port with BOOTP client for IP assignment and set up Modbus messaging via the integrated web interface.

Maintenance & Reliability Tips

To maximize uptime, inspect the TWDLCAE40DRF periodically for dust accumulation on the ventilation slots. The internal fuse protects against power surges, and the real-time clock maintains accuracy within 30 seconds per month for 30 days without external battery. For relay outputs, electrical durability is rated at 100,000 cycles under resistive loads, so plan replacement intervals accordingly.

Compatibility & Integration

The TWDLCAE40DRF integrates with Modbus RTU/ASCII devices via the RS485 serial link and supports Ethernet TCP/IP for SCADA or HMI connections. It accepts up to 7 expansion modules, increasing total I/O to 264 points with HE-10 connectors. The memory cartridge slot allows program backup, and the external battery TSXPLP01 retains data for 3 years.

Common Questions About the TWDLCAE40DRF

Q: What is the input voltage range for the TWDLCAE40DRF?

A: The discrete inputs accept 20.4...26.4 V DC, with a rated voltage of 24 V DC.

Q: How many relay outputs does the TWDLCAE40DRF have?

A: It includes 14 relay outputs, each rated for 2 A at 240 V AC or 30 V DC resistive loads.

Q: Can the TWDLCAE40DRF communicate over Ethernet?

A: Yes, it has one RJ45 port supporting 10/100 Mbit/s Ethernet TCP/IP with Modbus messaging.

Q: What is the maximum number of expansion modules?

A: The TWDLCAE40DRF supports up to 7 I/O expansion modules.

Q: Does the TWDLCAE40DRF have a real-time clock?

A: Yes, it includes a real-time clock with accuracy within 30 seconds per month for 30 days.

Product Support & Availability

The TWDLCAE40DRF is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and lead time. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.