AB | 1769-L31 | CompactLogix Dual Serial Port Processor

The 1769-L31 controller has 512 KB of available user memory. It has Two (2) RS-232 serial ports for communication with one for the system or user protocols and one for system protocol only. It can support a maximum of 4 tasks, 16 local I/O modules, and 3 I/O banks. It has a current requirement of 330mA at 5V DC and 40mA at 24V DC. It has a dimension of 8 x 8 x 5 in. and weighs 2 lbs. For installation, it uses the DIN-rail or panel mounting method with an open enclosure. It must always be the leftmost module and be within four modules of the system’s power supply. For wiring, the 1756-CP3 or the 1747-CP3 serial cable with a 2mm^2 (14- 22 AWG) category standard is used. The 1784-CF128 Industrial CompactFlash card can also be installed as a nonvolatile memory. The 1769-BA is the only battery module compatible with this controller.