GE 90-30/20/Micro manual Appendix a Instruction Timing

Contents

	PID Parameter Block:	4-173
	Operation of the PID Instruction	4-175
	Internal Parameters in RefArray	4-178
	PID Algorithm Selection (PIDISA or PIDIND) and Gains	4-179
	CV Amplitude and Rate Limits	4-180
	Sample Period and PID Block Scheduling	4-181
	Determining the Process Characteristics	4-181
	Setting User Parameters Including Tuning Loop Gains	4-182
	Setting Loop Gains — Ziegler and Nichols Tuning Approach	4-183
	Sample PID Call	4-184
Appendix A	Instruction Timing	A-1
	Boolean Execution Speed	A-10
Appendix B Interpreting Fault Tables		B-1
	PLC Fault Table	B-2
	I/O Fault Table	B-8
Appendix C	Instruction Mnemonics	C-1
Appendix D	Key Functions	D-1
Appendix E Using Floating-Point Numbers		E-1
	Floating-Point Numbers	E-1
	Internal Format of Floating-Point Numbers	E-3
	Values of Floating-Point Numbers	E-4
	Entering and Displaying Floating-Point Numbers	E-5
	Errors in Floating-Point Numbers and Operations	E-6

GFK-0467K Contents xv