Schneider Electric TWDLMDA20DRT Twido Modular Base Controller

TWDLMDA20DRT is a Schneider Electric Twido modular base controller. It runs the control application for a configuration with 12 discrete inputs and eight outputs, and can be expanded with compatible Twido I/O modules within the documented system limits.

TWDLMDA20DRT has 20 built-in discrete I/O points: 12 digital inputs in one common line and eight digital outputs. Match the installed field wiring and any expansion modules to the controller and application before ordering.

TWDLMDA20DRT has six relay outputs and two transistor source outputs. These are different output technologies, so compare the installed load and wiring against the appropriate relay or transistor output specifications in Schneider Electric’s Twido guide.

TWDLMDA20DRT uses a 24 VDC power supply. Schneider Electric lists maximum input power of 19 W at 26.4 VDC for this modular base with up to seven expansion I/O modules; check the power arrangement of the installed system.

TWDLMDA20DRT supports up to seven expansion I/O modules according to Schneider Electric’s modular-base guide. Select each module against the installed Twido configuration; the expansion allowance does not mean that seven modules are supplied with the base controller.

TWDLMDA20DRT has an integrated serial port and uses terminal-block wiring for its built-in I/O. The guide lists an Ethernet interface through a separate ConneXium TwidoPort module, so do not assume a built-in Ethernet port on this base.

TWDLMDA20DRT should be identified by its complete catalog number when ordering. Compare the 24 VDC supply, 12-input and mixed-output arrangement, terminal wiring and any installed expansion modules with the existing Twido system before selecting this controller.