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Contains 10 Mbytes of battery-backed user memory and 10 Mbytes of non-volatile flash user memory. ■ Provides access to bulk memory using reference table %W. ■ Configurable data and program memory. ■ Programming in Ladder Diagram, Structured Text, Function Block Diagram, and C. ■ Supports auto-located Symbolic Variables that can use any amount of user memory. ■ Reference table sizes include 32Kbits for discrete %I and %Q and up to 32Kwords each for analog %AI and %AQ. ■ Supports most Series 90-30 modules and expansion racks. For a list of supported I/O, Communications, Motion, and Intelligent modules, see the PACSystems RX3i Hardware and Installation Manual, GFK-2314. ■ Supports up to 512 program blocks. Maximum size for a block is 128KB. ■ Bit-in-word referencing allows you to specify individual bits in a WORD reference in retentive memory as inputs and outputs of Boolean expressions, function blocks, and calls that accept bit parameters. ■ In-system upgradeable firmware. ■ Two serial ports: an RS-485 serial port and an RS-232 serial port. ■ Ethernet communications via the rack-based Ethernet Interface module (IC695ETM001). For details on Ethernet capabilities, refer to TCP/IP Ethernet Communications for PACSystems User’s Manual, GFK-2224. ■ PLC time synchronization to SNTP Time Server on Ethernet network when used with Ethernet Release 5.0 or later module.