The 2500-C400 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® 555-1102. 555-1104. 555-1106 with no rewiring

• 3072K user memory

• 8192 digital / 8192 analog I/O

• 512 loops / 512 alarms

• Built-in Ethernet for MMI and programming

• Built-in USB for programming

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

• Built-in SD flash card slot for firmware update