EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manual de Instruções descarregar pdf (Página 37)

Instruction Manual alpha-pH 1000

37

12.4 Appendix 4

General Instructions Concerning Controller Setting

MIN Function

MAX Function

Xp

Prop. Band

Xp

Prop. Band

SP 1

S

P2

+Xw

-Xw

Yh

0%

50 %

100 %

Control characteristic of P-Controller as proportional controller

MIN Function

MAX Function

Xp = 0

Xp = 0

SP 1

SP 2

+Xw

-Xw

Yh

0%

50 %

100 %

Control characteristic of P-Controllers as limit value switch

Characteristics of Pulse Length and Pulse Frequency

t

ON

t

OFF

Pulse Length T

Relay

ON

OFF

Time [s]

Controller signal of Pulse length Controllers

1 2 ... 32 33 34 35 36 37 38 39 40

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