EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manuál s instrukcemi stáhnout pdf (Strana 26)

Instruction Manual alpha-pH 1000

7.6.3 Selecting Alarm or Wash function

This function allows you to use the Alarm relay as Wash contact. The Wash contact is used in combination with

automatic cleaning systems. During the wash cycle, the analogue output is set on hold.

1) Follow direction in 7.6.1 to enter Configuration mode.

2) Press the ENTER key until upper display shows “Alr” or “CLn”.

3) Press the ▲ or ▼ key to choose the desired function.

4) Press the ENTER key to confirm your selection.

7.6.4 Selecting the alarm time lag if relay 3 has been set to Alarm mode

This parameter group lets you select a period of time before the alarm activates when your set point has been

overshot. You can select from 0 to 2000 seconds.

1) Follow directions in 7.6.1 to enter Configuration mode.

2) Press the ENTER key. Scroll with the ▲ or ▼ key until the upper

display shows a numerical value (in seconds) and the lower display

shows “AL.d”.

3) Press the ▲ or ▼ key to select how long of an alarm delay (0 to 2000

seconds) you want.

4) Press the ENTER key to confirm your selection.

5) Proceed to 7.6.4 step 3, or return to Measurement mode by pressing the ▲ and ▼ keys simultaneously

(escape).

7.6.5 Selecting steady or pulse contact for the alarm relay

This parameter group lets you select whether the alarm contact will operate as a steady contact or a fleeting

(single pulse) contact. Pulse contact closing time is 1 second.

1) Follow directions in 7.6.1 to enter Configuration mode.

2) Press the ENTER key. Scroll with the ∆ and ∇ keys until the upper

display shows “Stdy” or “FLEt” and lower display shows “AL.C.”.

- AL.C = alarm contact

- StdY = steady contact

- FLEt = fleeting (single pulse) contact

3) Press the ▲ or ▼ key to select steady or pulse contact.

4) Press the ENTER key to confirm your selection.

5) Proceed to 7.6.5 step 3, or return to Measurement mode by pressing

the ▲ and ▼ keys simultaneously (escape).

L.d

SETUP

HOLD

Stdy

L.C

SETUP

HOLD

FLEt

L.C

SETUP

HOLD

Alr

rL3

SETUP

HOLD

CLn

rL3

SETUP

HOLD

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