Allen-Bradley 1768-L43 CompactLogix L43 Processor Unit, part number PN-53535, is a Logix 5343 controller with 2 MB of user memory and a single RS-232 serial port for DF1/ASCII communications. It supports EtherNet/IP, ControlNet, and DeviceNet networks, enabling flexible integration with both modern and legacy plant networks, and it fits the 1768 backplane with module expansion for two 1768 modules and up to sixteen 1769 I/O modules; powered from 24 V DC, it draws up to about 31 W with a backplane current around 1.3 A.
