GE GFK-0787B user manual Contents

		Contents
Chapter 1	Introduction	. 1-1
	Components of a GMR System	1-2
	Series 90-70 PLCs	1-3
	Busses and Bus Controllers	1-4
	Operation Overview	1-5
	GeniusI/OBlocks	1-8
	Configuration and Programming	1-10
Chapter 2	InputSubsystem	. 2-1
	Overview	2-2
	GMR Input Groups	2-3
	Non-Voted I/O in the Input Subsystem	2-4
	Discrete Inputs	2-5
	Analog Inputs	2-9
Chapter 3	OutputSubsystem	. 3-1
	Overview	3-2
	GMR Output Handling	3-3
	Output Fault Reporting	3-5
	4-Block Output Groups	3-6
	Manual Output Controls and Diagnostics	3-8
	Redundancy Modes for Output Blocks	3-9
Chapter 4	PLC Subsystem	. 4-1
	System Startup	4-2
	CPU Sweep in a GMR System	4-5
	Estimating CPU Sweep Time	4-6
	Input Processing	4-7
	Output Processing	4-17
	I/O Shutdown	4-18
	Communications Between PLCs	4-22
Chapter 5	Diagnostics	. 5-1
	Programming for Diagnostics	5-1
GFK-0787B	GeniustModular Redundancy Flexible Triple Modular Redundant (TMR) System	v
	User's Manual ± March 1995