YOKOGAWA ADMAG TI Series User Manual

<Appendix 5. PID Block>
290
IM 01E21A02-03EN
A5.16 AUTO Fallback
AUTO fallback denotes a mode in which the PID block changes a mode from Cas to Auto and
continues automatic PID control with the user-set setpoint.
A5.16.1 Condition of AUTO Fallback
Theconditionisestablishedwhenthedatastatusofthecascadesetpoint(CAS_IN.Status)is
BAD,
(ExcludingwhenBYPASS)
A5.16.2 SpecicationofAUTOFallback
Species“TargettonextpermittedmodeifBADCASIN”withSTATUS_OPTS.
(Also,specifythedestinationoftransitiontoAUTOwithMODE_BLK.Permitted.)
A5.17 Mode Shedding upon Computer Failure
When the data status of RCAS_IN or ROUT_IN falls to BAD while the PID block is running in the
RCas or ROut mode, the mode shedding functions. If the RCAS_IN data is not renewed within
thetimespeciedbySHED_RCASintheresourceblock,thedatastatusofRCAS_INfallsto
Bad.
Atthistime,changetothemode(ModeShedding)speciedinSHED_OPT.

YOKOGAWA ADMAG TI Series Specifications

General

Brand	YOKOGAWA
Model	ADMAG TI Series
Category	Measuring Instruments
Language	English