Release 2.50 of the RX3i CPU provides the following new features and enhancements compared to the family of
Series 90-30 CPUs:
■ Non-volatile flash (10Mbyte) and battery-backed user memory (up to 10 Mbytes).
■ A new register/WORD reference table (%W) that is configurable up to 4Mbytes.
■ Auto-located Symbolic Variables that can use any amount of user memory.
■ Larger reference table sizes, which include 32 Kbits for discrete %I and %Q and up to 32K words each for analog
%AI and %AQ.
■ Support for new Rx3i modules, as well as Series 90-30 discrete and analog I/O, and High Speed Counter.
■ Application compatibility with PACSystems RX7i applications.
■ Up to 512 program blocks. Maximum size for a block is 128KB.
■ Online Edit and Test modes that allow editing and testing of logic changes that are permitted for a Run Mode Store.
■ Bit-in-word referencing that 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.
■ CPU over temperature status bit.
■ Two serial ports: one RS-485 serial port and one RS-232 serial port – neither are isolated.
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