This TM241 controller is part of the Modicon M241 Logic controller range. It has 24 logic I/O and it is supplied with 24V dc. It is supplied with removable screw terminal blocks for connecting the I/O, a removable terminal block for connecting the power supply, a button cell backup battery BR2032. This M241 logic controller has 5 embedded communication ports, two serial links (RS232/RS485 and RS485) and USB mini-B programming port.