GE Series 90-30 PLC - Page 8

Contents
viii Series 90™-30 PLC Installation and Hardware Manual – August 2002 GFK-0356Q
With a Generic Terminal Block/Strip...................................................................... 2-20
Direct Method ......................................................................................................... 2-21
General Wiring Methods for Analog Modules......................................................... 2-21
Analog Input Module Wiring Methods .................................................................... 2-21
Using a Generic Terminal Block or Strip................................................................ 2-21
Direct Method ......................................................................................................... 2-21
TBQC not Recommended for Analog Modules ...................................................... 2-22
Analog Output Module Wiring ................................................................................ 2-22
General .................................................................................................................... 2-22
Using a Generic Terminal Block or Strip................................................................ 2-22
Direct Method ......................................................................................................... 2-22
TBQC not Recommended for Analog Modules ...................................................... 2-22
AC Power Source Connections....................................................................................... 2-23
AC Input Wiring to AC/DC Power Supplies ........................................................... 2-23
Power Supply Overvoltage Protection Devices........................................................ 2-24
Special Installation Instructions for Floating Neutral (IT) Systems ............................... 2-25
Definition of Floating Neutral Systems.................................................................... 2-25
Use These Special Installation Instructions for Floating Neutral Systems............... 2-26
DC Power Source Connections....................................................................................... 2-27
DC Input Wiring to AC/DC and DC-Only Power Supplies..................................... 2-27
+24 VDC Output (All Supplies)............................................................................... 2-27
Basic Installation Procedure ........................................................................................... 2-28
Chapter 3 Baseplates .............................................................................................................3-1
Baseplate Types ................................................................................................................ 3-1
Common Baseplate Features ...................................................................................... 3-1
Two Baseplate Sizes................................................................................................... 3-2
Baseplate Terms................................................................................................................ 3-3
CPU Baseplates................................................................................................................. 3-4
Embedded CPU Baseplates (Figures 3-2 and 3-3) ..................................................... 3-4
Modular CPU Baseplates (Figures 3-4 and 3-5) ........................................................ 3-6
Expansion Baseplates (Figures 3-6 and 3-7) .............................................................. 3-7
Remote Baseplates (Figures 3-8 and 3-9)................................................................... 3-8
I/O Bus Expansion Cables........................................................................................ 3-10
Differences Between Remote and Expansion Racks................................................ 3-11
Mixing Expansion and Remote Baseplates in a System ................................................. 3-11
Termination Requirement for Expansion or Remote System ......................................... 3-12
Powering Down Individual Expansion or Remote Baseplates ....................................... 3-12
Series 90-30 PLC Backplane .......................................................................................... 3-12
Rack Number DIP Switch on Expansion and Remote Baseplates.................................. 3-13
Expansion and Remote Baseplates Connection Example............................................... 3-15
Baseplate Mounting Dimensions .................................................................................... 3-16
Embedded CPU (311, 313, and 323) Baseplate Dimensions ................................... 3-16
Modular CPU, Expansion, and Remote Baseplate Dimensions............................... 3-18