GE Series 90-30 PLC - Page 11

Contents
GFK-0356Q Contents xi
CPU340 Catalog Number IC693CPU340 ........................................ 5-32
CPU341 Catalog Number IC693CPU341 ........................................ 5-33
CPU350 Catalog Number IC693CPU350 ........................................ 5-34
CPU351 Catalog Number IC693CPU351 ........................................ 5-35
CPU352 Catalog Number IC693CPU352 ........................................ 5-36
CPU360 Catalog Number IC693CPU360 ........................................ 5-37
CPU363 Catalog Number IC693CPU363 ........................................ 5-38
CPU364 Catalog Number IC693CPU364 ........................................ 5-39
CPU374 Catalog Number IC693CPU374 ........................................ 5-40
Chapter 6 Memory Backup/Battery Backup ......................................................................6-1
Backup Battery for RAM Memory (All Supplies)............................................................ 6-1
Battery Replacement Instructions ..................................................................................... 6-2
Battery Replacement/Memory Protection Factors............................................................ 6-3
The Importance of Backing up Your Program.................................................................. 6-3
Factors Affecting Battery Life .......................................................................................... 6-4
Low Battery Warning Methods......................................................................................... 6-4
Operating Without a Memory Backup Battery................................................................. 6-6
RAM Memory Battery Backup Connection Path ............................................................. 6-8
Super Capacitor Memory Backup..................................................................................... 6-8
Maintaining RAM Memory During Storage or Shipment of a CPU.......................... 6-9
Modular CPUs........................................................................................................... 6-9
Embedded CPUs ....................................................................................................... 6-9
Battery Accessory Kit (IC693ACC315).................................................................... 6-9
Battery Accessory Kit Installation........................................................................... 6-10
External Battery Module (IC693ACC302) ..................................................................... 6-10
Batteries in Power Supplies on Expansion or Remote Racks......................................... 6-11
Chapter 7 Input/Output Modules ........................................................................................7-1
Basic I/O Module Types ................................................................................................... 7-1
Discrete I/O Modules........................................................................................................ 7-2
Discrete I/O Module Point Density ............................................................................ 7-2
Standard Density Discrete I/O Module Features........................................................ 7-2
Wiring Standard Density (16-Point or Less) Discrete Modules................................. 7-4
Discrete Relay Output Module Protection ................................................................. 7-4
High Density (32-Point) Discrete Module Features ................................................... 7-4
Wiring Methods for 32-Point Discrete I/O Modules.................................................. 7-6
Modules with Single 50-Pin Connector .................................................................... 7-6
Modules with Dual 24-Pin Connectors ..................................................................... 7-7
Analog Module Features................................................................................................... 7-8
Wiring Methods for Analog Modules ........................................................................ 7-9
Analog Input Module Wiring Methods ..................................................................... 7-9
Analog Output Module Wiring ............................................................................... 7-10
I/O Module Power Supply Current Draw ....................................................................... 7-10