Emerson PACSystems RX3i User Manual page 7

Appendix A: Performance Data ...................................................................................................... 193
A-1.1 Boolean Execution Measurements (ms per 1000 Boolean executions) ............................. 193
A-2 Instruction Timing ......................................................................................................................... 195
A-2.1 Overview ........................................................................................................................ 195
A-2.2 RX3i & RSTi-EP Instruction Times .................................................................................... 197
A-3 Overhead Sweep Impact Times ...................................................................................................... 198
A-3.1 Base Sweep Times .......................................................................................................... 198
A-3.2 What the Sweep Impact Tables Contain .......................................................................... 200
A-3.3 Programmer Sweep Impact Times .................................................................................. 201
A-3.4 I/O Scan and I/O Fault Sweep Impact ............................................................................... 202
A-3.5 Ethernet Global Data Sweep Impact ................................................................................ 207
A-3.6 EGD Sweep Impact for Embedded Ethernet Interface on RX3i & RSTi-EP CPE Models ....... 212
A-3.7 Example Calculation for EGD Utilization on RX3i CPE302/CPE305/CPE310 and RSTi-EP
CPE100/CPE115 213
A-3.8 Normal Sweep - EGD on RX3i CPE302/CPE305/CPE310 and RSTi-EP CPE100/CPE115
Embedded Ethernet Interface ................................................................................................................... 213
A-3.9 Constant Sweep - EGD on RX3i CPE302/CPE305/CPE310 and RSTi-EP CPE100/CPE115
Embedded Ethernet Interface ................................................................................................................... 215
A-3.10 Sweep Impact of Intelligent Option Modules ................................................................. 215
A-3.11 I/O Interrupt Performance and Sweep Impact ................................................................ 218
A-3.12 Timed Interrupt Performance ........................................................................................ 220
A-4 User Memory Allocation ................................................................................................................ 221
A-5 Items that Count Against User Memory .......................................................................................... 221
A-6 User Program Memory Usage ......................................................................................................... 222
A-6.1 %L and %P Program Memory ........................................................................................... 222
A-6.2 Program Logic and Overhead .......................................................................................... 223
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