Rockwell-automation T8019 Trusted Process Control Algorithm Software P User Manual

TrustedTM PD-T8019 Issue 8 Sep 07 PD-T8019 1 TrustedTM Process Control Algorithm Software Package Introduction The system architecture of the Truste

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 10 1.3. Analogue Select R_SELPV1OUTPV2SEL The process variables (PV1 and PV2) and

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 11 1.5. Drum Level Control PC_DRUMOUTPPLVThis function is to provide the pressure

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 12 2. Function Blocks 2.1. Analogue Scaling SCALEPVOUTIPMAXIPMINOUTMAXOUTMINLIMIT

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 13 2.2. Analogue Value Clamping CLAMPIPMINOUTPVIPMAXLIMIT The process variable (P

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 14 2.4. High Value Select HVSOUTPV1PV2SEL The process variables (PV1 and PV2) and

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 15 2.6. Proportional PID Function NOTE The PID_II function block has been superse

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 16 The figure 1 below gives a simplified overview of the PID function: Figure 1

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 17 2.7. Incremental PID Function A PID is a process regulator. Using the feedbac

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 18 The figure below gives an overview of the IPID function: Figure 2 IPID Functi

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 19 2.8. Deviation Alarm DEV_ALPVSPDEVUSDEVDSDEVHIDEVLO The deviation alarm functi

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 2 Issue Record Issue Number Date Revised by Technical CheckAuthorised

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 20 2.10. Time Averaged Value T_AVGOUTPVTpTsEN The average function calculates the

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 21 Example: T_AVG OUT PV 250ms 20ms T (ms) 350 390 432 475 521 565 607 650 690

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 22 2.11. Rate of Change Detection Error! Objects cannot be created from editing f

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 23 Parameters PV, R and H must be finite, i.e. not ±infinities or NaNs. Behaviou

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 24 2.12. Analogue Value Slew SLEWOUTPVRATE The analogue value slew function limit

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 25 3. Other Functions 3.1. Lead/Lag Control The lead/lag facility will be provide

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 26 4. Sample Application Program A sample application program using selected Proc

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TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 4 Table of Contents 1. Description...

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 5 Notice The content of this document is confidential to ICS Triplex Technology L

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 6 Revision and Updating Policy All new and revised information pertinent to this

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 7 1. Description Several of the basic control algorithms may generate error condi

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 8 1.1. Functions 1.1.1. Square Root Extraction SQRTXPVOUTIPMAXIPMIN The Process

TrustedTM Process Control Algorithms T8019 Issue 8 Sep 07 PD-T8019 9 1.2. BCD Translation BCDOUTIP0IP1IP2IP3MNThe BCD translation function requires