EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manuale delle Istruzioni Scaricare il pdf (Pagina 12)

Instruction Manual alpha-pH 1000

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.

CALIBRATION

MEASURE

CODE

OFFSET

SET C

SET-POINT 1

SET-POINT 2

CONTROLLER

MEASUREMENT

RANGE

CONFIGURATION

Set Offset

Switch On/Off ATC

Set value 1

Set value 2

Controller type

Current output

0..20 / 4..20 mA

pH / ORP Symm.

/ Asymmetrical

CLn

ALr

Process temp.

(MTC)

Calibrate 1st value

MIN / MAX Function

N.O/N.C. Contact

pH / ORP

at 0/4 mA

Alarm delay

Intv

Calibrat e 2nd value

Calib. temp.

(MTC)

Hysteresis 1

Hysteresis 2

Proportional

range XP

pH / ORP

at 20 mA

Alarm contact

cont./wiper contact

1000

Dur

Display zero point

and slope

Calibrate Pt100

Pick-up delay

contact 1

Pick-up delay

contact 2

Cycle time bzw.

max. frequency

Electrod e t ype

Glass/Antimony

Drop out delay

contact 1

Drop out delay

contact 2

Reset to factory

default settings

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.

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EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manuale delle Istruzioni Pagina 12

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