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E Z C L E A N | C O M P R E S S E D A I R S U P P LY U N I T | O I/ E ZC L E A N - E N R E V. A
5 Configuration
NOTICE
• Schedule automatic cleans for configured probe(s)
only.
• Clean parameters are enabled only when the
Interval
is set (is not Off) – see "Configuration"
on page 11.
• Full software details are detailed in the transmitter
Operating instruction
(OI/AWT420-EN).
1 Ensure the probe to be cleaned is connected to the
transmitter.
2 Ensure pneumatic connections are made between the
EZClean compressed air unit and an ABB compressed air
adaptor to be fitted on the sensor.
3 Ensure electrical connections are made between the EZClean
compressed air unit and the AWT420 transmitter – see
"Electrical connections" on page 10.
4 At the AWT420 transmitter, press the
Operator Page
menu, then select Enter
display the
Access Level
Use the
key to select the
the
key (below the
Select
level menus.
Use the
/
keys to scroll to the
and press the
key to enter the level. Scroll to the
menu using the
/
Configure Relay parameters for the associated probe as
follows:
– Set: Type to Output
– Set:
Source
to
Sx Clean
– sensor posit
io
n [1 to 2] at the EZLink connector)
5 Exit the Input/Output menu and use the
scroll to the Sensor Setup menu:
Menu
Sensor Setup
Exit
Select
key to display the
Configuration
page.
Advanced
menu item and press
prompt) to access Advanced
Input/Output
Relay
keys.
(where
x
corresponds to the
/
keys to
Press the
key – the
Sensor Setup
S1 :DO
Salinity Units
Clean
Pressure Units
Back
If more than 1 sensor is connected, select the required sensor
S1(to 2) :DO
(to be cleaned) and press the
Select prompt).
The sensor
S1(to 2) :DO
Setup" on page 12:
S1(to 2) :DO
Tag
PV Type
Units
Range High
Range Low
Filter Type
to
Back
Scroll to the
Clean Interval
between cleans.
S1(to 2) :DO
Clean Interval
Clean Type
menu
Clean On Time
Clean Off Time
Number of Pulses
Recovery Time
Back
Set the required clean parameters
Time / Clean Off Time* / Number of Pulses* / Recovery
Time / Clean Duration / Clean Output)
probe.
*Enabled only if Clean
When all required clean parameters are set, press the
repeatedly to exit the Sensor Setup level and return to the
Operator Page
The configured clean commences at the interval set after
this configuration is saved and repeats until re-configured or
stopped.
Sensor Setup
page is displayed:
3
2
1
Select
menu page is displayed – see "Sensor
3
2
1
Select
menu and set the required interval
3
2
1
Select
(Clean Type / Clean On
Type
is set to
Pulsed
.
11
key (below the
for the connected
.
key
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