Siemens Pacemaker UM344-2 Manuel d'utilisateur télécharger pdf (Page 165)

UM344-2 APPENDIX A - FUNCTION BLOCK DESCRIPTIONS

September 1995

The gain for this controller is fixed at a value of 1.00. While the displayed gain can be changed, it will not

affect the controller.

Equations

GE + F

O =

TIs + 1

AUTO when output O is connected to feedback F

TDs 1

O = +/-PG[P(1+ )-S] + [ ]

(TD/DG)s + 1 TIs

MANUAL O = F

A.9 FUNCTION BLOCK SUMMARY

SENSOR INPUT BLOCK

- Input Type

MV (Millivolts)..........................................Wide or Narrow

RTD.........................................................PT100 ohm DIN & US, PT200 ohm DIN & US, PT500

ohm DIN & US

T/C...........................................................J, K, E, T, R, S, B, N

Ohm .........................................................Wide or Narrow

- MV Units.......................................................Celsius, Fahrenheit, Rankine, Kelvin, MV, Ohms

- MV Range.....................................................LO and HI range values

- Damping........................................................0 to 120 seconds

- Burnout Direction...........................................Upscale or Downscale

OPERATOR DISPLAY BLOCK

- Local Display Code ........................................Percent, Process Variable, Measured Variable

Block Diagram, ID Controller

TDs

s + 1

+ / -

s + 1TI

1 Output

X02880S0

1 2 ... 160 161 162 163 164 165 166 167 168 169 170 ... 182 183

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Siemens Pacemaker UM344-2 Manuel d'utilisateur Page 165