Yokogawa YVP110 User Manual

Page 5

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iv

IM 21B04C01-01E

13.5

IO_OPTS and STATUS_OPTS ........................................................................13-2

13.6

Mode Shedding upon Computer Failure .....................................................13-3

13.7

Initialization at Start ........................................................................................13-3

13.8

Alarm Processing ..........................................................................................13-3

14. DI Function Block .................................................................................. 14-1

14.1

General .............................................................................................................14-1

14.2

Modes ...............................................................................................................14-1

14.3

PV Value (PV_D) ..............................................................................................14-1

14.4

Filtering ............................................................................................................14-1

14.5

Output ...............................................................................................................14-2

14.6

IO_OPTS and STATUS_OPTS ........................................................................14-2

14.7

Alarm Processing ..........................................................................................14-2
14.7.1

Block Alarms ....................................................................................14-2

14.7.2

Discrete Alarm ..................................................................................14-2

15. OS Function Block ................................................................................. 15-1

15.1

General .............................................................................................................15-1

15.2

Modes ...............................................................................................................15-1

15.3

Output Processing ..........................................................................................15-1

15.4

Backward Path (BKCAL_OUT) .....................................................................15-2

15.5

STATUS_OPTS ...............................................................................................15-2

15.6

Alarm Processing ..........................................................................................15-2

16. PID Function Block ................................................................................ 16-1

16.1

General .............................................................................................................16-1

16.2

Modes ...............................................................................................................16-1

16.3

Input Processing .............................................................................................16-1

16.4

Setpoint (SP) Limiters ....................................................................................16-1

16.5

PID Computation .............................................................................................16-2

16.6

Control Output .................................................................................................16-2

16.7

Direction of Control Action ............................................................................16-2

16.8

Control Action Bypass ...................................................................................16-2

16.9

Feed-forward ...................................................................................................16-3

16.10 External-output Tracking (LO) .......................................................................16-3
16.11 Measured-value Tracking ...............................................................................16-3
16.12 CONTROL_OPTS ............................................................................................16-3
16.13 Initialization and Manual Fallback (IMan) .....................................................16-4
16.14 Manual Fallback ..............................................................................................16-4

16.14.1 STATUS_OPTS ...............................................................................16-4

16.15 Auto Fallback ...................................................................................................16-4
16.16 Mode Shedding upon Computer Failure ......................................................16-4
16.17 Alarms ..............................................................................................................16-5

16.17.1 Block Alarm (BLOCK_ALM) .............................................................16-5
16.17.2 Process Alarms ................................................................................16-5

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