GE PACSystems RX7i Reference Manual

Also see for PACSystems RSTi-EP: User manual CPU Programmer's Reference Manual

Contents

GE PACSystems RX7i Reference Manual Manual pdf 6 page image

ContentsGFK-2222AD April 2018 iii4.5.3 RUN/STOP Switch Operation ......................................................................................................................................1524.6 Flash Memory Operation................................................................................................. 1534.7 Logic/Configuration Source and CPU Operating Mode at Power-Up ........................ 1544.7.1 CPU Mode when Memory Not Preserved/Power-up Source is Flash .......................................................1554.7.2 CPU Mode when Memory Preserved .......................................................................................................................1564.8 Clocks and Timers ............................................................................................................ 1574.8.1 Elapsed Time Clock ..........................................................................................................................................................1574.8.2 Time-of-Day Clock ............................................................................................................................................................1584.8.3 Watchdog Timer ................................................................................................................................................................1594.9 System Security................................................................................................................ 1614.9.1 Passwords and Privilege Levels - Legacy Mode ..................................................................................................1624.9.2 OEM Protection – Legacy Mode .................................................................................................................................1644.9.3 Enhanced Security for Passwords and OEM Protection .................................................................................1654.9.4 Legacy/Enhanced Security Comparison.................................................................................................................1664.10 PACSystems I/O System .................................................................................................. 1674.10.1 I/O Configuration ...............................................................................................................................................................1684.10.2 Genius I/O .............................................................................................................................................................................1704.10.3 I/O System Diagnostic Data Collection ...................................................................................................................1724.11 Power-Up and Power-Down Sequences ....................................................................... 1744.11.1 Power-Up Sequence ........................................................................................................................................................1744.11.2 Power-Down Sequence..................................................................................................................................................1754.11.3 Power Cycle Operation with an Energy Pack.......................................................................................................1764.11.4 Retention of Data Memory Across Power Failure .............................................................................................179Chapter 5 Communications........................................................................................................ 1815.1 Ethernet Communications .............................................................................................. 1825.1.1 Embedded Ethernet Interface ....................................................................................................................................1825.1.2 Ethernet Interface Modules .........................................................................................................................................1875.2 Serial Communications ................................................................................................... 1885.2.1 Serial Port Communications Capabilities ..............................................................................................................1885.2.2 Configurable STOP Mode Protocols .........................................................................................................................1905.2.3 Serial Port Pin Assignments .........................................................................................................................................1915.2.4 Serial Port Electrical Isolation .....................................................................................................................................1955.2.5 Serial Cable Lengths and Shielding ..........................................................................................................................1965.2.6 Serial Port Baud Rates ....................................................................................................................................................1975.3 Series 90-70 Communications and Intelligent Option Modules ............................... 1985.3.1 Communications Coprocessor Module (CMM) ...................................................................................................1985.3.2 Programmable Coprocessor Module (PCM) .........................................................................................................1995.3.3 DLAN/DLAN+ (Drives Local Area Network) Interface ......................................................................................200