Contents
GFK-0356Q Contents xi
Load Ratings, Temperature, and Mounting Position ...................................................... 3-19
Baseplate Adapter Brackets for 19" Rack Mounting...................................................... 3-20
Baseplate Comparison Table.................................................................................... 3-22
Chapter 4
Power Supplies.....................................................................................................4-1
Power Supply Categories.................................................................................................. 4-1
Power Supply Feature Comparison................................................................................... 4-1
AC/DC Input Power Supplies........................................................................................... 4-2
IC693PWR321 Standard Power Supply, 120/240 VAC or 125 VDC Input .............. 4-2
IC693PWR330 High Capacity Power Supply, 120/240 VAC/125 VDC Input ......... 4-4
Field Wiring Connections for the AC/DC Input Power Supplies............................... 4-5
Isolated 24 VDC Supply Output Connections............................................................ 4-6
DC Input Only Power Supplies......................................................................................... 4-7
IC693PWR322 Standard Power Supply, 24/48 VDC Input....................................... 4-7
Calculating Input Power Requirements for IC693PWR322 ............................................. 4-8
IC693PWR328 Standard Power Supply, 48 VDC Input.......................................... 4-10
Calculating Input Power Requirements for IC693PWR328..................................... 4-11
Input Power/Current Calculation for IC693PWR328 Power Supply....................... 4-12
IC693PWR331 High Capacity Power Supply, 24 VDC Input................................. 4-13
Current Derating for Higher Temperatures .............................................................. 4-14
Calculating Input Power Requirements for IC693PWR331..................................... 4-15
Field Wiring Connections to the DC Input-Only Power Supplies ........................... 4-15
Common Series 90-30 Power Supply Features............................................................... 4-16
Status Indicator Lights on all Power Supplies.......................................................... 4-16
Input Overvoltage Protection Devices...................................................................... 4-16
Output Voltage Connections to Backplane (All Supplies)....................................... 4-17
Overcurrent Protection (all Supplies)....................................................................... 4-18
Timing Diagram ....................................................................................................... 4-18
CPU Serial Port Connector on Power Supply (All Supplies)................................... 4-19
CPU Serial Port Information .................................................................................... 4-19
Backup Battery for RAM Memory (All Supplies) ................................................... 4-20
Chapter 5
CPUs .....................................................................................................................5-1
CPU Types for Series 90-30 PLCs ................................................................................... 5-1
Embedded CPUs......................................................................................................... 5-1
Modular CPUs............................................................................................................ 5-2
General CPU Features ................................................................................................ 5-3
Microprocessor.......................................................................................................... 5-3
CPU Serial Port (Connector on Power Supply)......................................................... 5-3
Memory Volatility..................................................................................................... 5-4
RAM Memory ........................................................................................................... 5-5
RAM Memory Backup/Backup Battery Information................................................ 5-5
Programmable Read-Only Memory (PROM) Types................................................. 5-5
Uses of PROM devices in the 90-30 CPUs ............................................................... 5-5