1747-L553/C | CPU Processor Unit

The / Automation 1747-L553 module is a CPU or Central Processor Unit module from the SLC 500 and SLC 5/05 series. This CPU has CMOS RAM built into it that supports battery backup, and it can also support an 1747-M13 memory module that provides it with 64 K of additional memory. The 1747-L553 CPU module has an Ethernet channel and an RS-232, DH-485, DF1, or ASCII port. This CPU is one of the most flexible CPUs that is available from the SLC 500 and SLC 5/05 series because it can handle up to 64 connections. This means that the 1747-L553 CPU module can communicate with 64 devices or applications simultaneously.