The 2500-C300 CPU provides discrete, analog, loop, advanced mathematical,

and high-speed sequential control capability for your CTI 2500 Series® or

Simatic® 505 control system

Features

• Replaces Siemens® 555-1101. 555-1103. 555-1105 with no rewiring

• 512K user memory

• 8192 digital / 8192 analog I/O

• 512 loops / 512 alarms

• Built-in Ethernet for programming and MMI

• Built-in USB for programming

• Profibus-DP master and RS485 Remote I/O ports

• Built-in SD flash card slot for firmware update