DirectLOGIC DL205 CPU, 15.8k words ladder memory, (1) RS-232 (RJ12) and (1) RS-232/RS-422/RS-485 (DB15HD female) port(s). Purchase D2-BAT-1 backup battery separately.

Specifications of the D2-260 CPU:

• Memory:
  30.4K words* total (15.8K words program (Flash), 14.6K words data)
  User data is retained by built-in super-capacitor for up to 3 weeks (5 years with optional battery)
• Programming language:
  Ladder Logic and SFC (Sequential Flowchart) programming
• Communications:
  1 RS232C and 1 RS232C/RS422/485 Communications port
  Secondary communications port supports Remote I/O Master, DirectNET Master/Slave, MODBUS RTU Master/Slave, and ASCII In/Out
• Maximum physical I/O capacity:
  8.192
  Supports up to 5 total bases (one CPU base and four expansion bases)