4.3.1
pH MEASUREMENT SETTINGS MENU (menu navigation index = 3A)
Use the UP and DOWN keys to scroll through the various menus and submenus and to modify the data
(increase/decrease).
Use the ENTER key to access the data insertion submenus and to confirm any modifications.
3A
PH DOSING
3A1 RELAY
3A2 FMW (Frequency Output)
3A3 OUTmA (Current Output)
The various items contained within the pH measurement sub-menus are described below:
•
Menu index "3A1" PH RELAY
3A1 PH RELAY
>ON/OFF
TIMED (Timed dosing)
PWM (Proportional dosing)
The various items contained within the pH relay's sub-menus are described below, with their various modes,
ranges and settings:
Item
On/Off
SetPoint:
Dose Type:
Hysteresis:
Hysteresis Time:
Start Delay:
Stop Delay:
Timed
SetPoint:
Dose Type:
Hysteresis:
Hysteresis Time:
Start Delay:
Stop Delay:
On Time:
Off Time:
PWM (Proportional)
SetPoint:
Dose Type:
Hysteresis:
Hysteresis Time:
Start Delay:
Stop Delay:
Period:
Proportional Band:
ON/OFF
↓
Default Value
7.20 pH
Acid
Off
Off
Off
Off
7.20 pH
Acid
Off
Off
Off
Off
1
1
7.20 pH
Acid
Off
Off
Off
Off
20 seconds
0.3 pH
0000137242
3A
PH DOSING
3A2 FWM (Frequency Output)
3A3 OUTmA (Current Output)
3A4 ALARMS
The pH relay's settings can be varied as follows:
•
ON/OFF (SetPoint threshold dosing)
•
TIMED (Timed dosing)
•
PWM (Proportional dosing)
Range
0-14 pH
Acid / Alka
0.10-3 pH
1-900 Seconds
3-900 Seconds
3-900 Seconds
0-14 pH
Acid / Alka
0.10-3 pH
1-900 Seconds
3-900 Seconds
3-900 Seconds
1-1800 Sec
1-1800 Sec
0-14 pH
Acid / Alka
0.10-3 pH
1-900 Seconds
3-900 Seconds
3-900 Seconds
20-1800
0.3-3pH
Rev.3.1
↑
Note
17