EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Instrukcja Obsługi Pobierz pdf (Strona 13)

4.3 Control Concept

The main function and sub-function groups are organised in a matrix format as shown below.

These functions can be accessed via the front keypad for configuration and selection of

parameters.

MEASURE

OFFSET

SET C

SET-POINT 2

SET-POINT 1

Set value 1

Switch On/Off ATC

Set Offset

Process temp.

(MTC)

MIN / MAX Function

Set value 2

Hysteresis 2

Calib. temp.

(MTC)

Calibrate Pt100

Pick-up delay

contact 1

Dropout delay

contact 2

MIN / MAX Function

Hysteresis 1

Pick-up delay

contact 2

Dropout delay

contact 1

CONFIGURATION

CALIBRATION

Calibrate

1st value

Display zero point

and slope

Calibrate

2nd value

MEASUREMENT

RANGE

CONTROLLER

Controller type

N.O. / N.C.

Contact

Current output

0.20 / 4.0 mA

Cycle time bzw.

Max. Frequency

pH / ORP

at 0/4 mA

Proportional

range XP

pH/ ORP Symm.

/ Asymmetrical

Alarm delay

Electrode type

Glass/Antimony

Alr

Alarm contact

cont./wiper contact

Cln

1000

Dur

Reset to factory

default settings

CODE

The controller offers two levels of password protection: (1) for direct access to calibration

function and (2) for setting or editing specific controller parameters or functions in the SETUP

mode to suit individual requirements.

Note: The passwords are not user-defined and have been set by factory. It is very important to

keep these passwords strictly confidential to avoid unauthorised tampering of the system at

all times.

Note: If the user reads parameters only, the controller automatically reverts to Measurement mode

if no key is pressed for 30 seconds.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 41 42

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