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AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | OI/AWT420-EN REV. B
… 13 Configuration (Advanced access level)
…Input/Output
Menu
Comment Default
Cleaning 1 (2) – Input/Output
Sensor To Clean Set the sensor to be cleaned:
•
O/P Assignment Set the assignment of the cleaner to an output:
•
Not Assigned
Clean Interval Set the interval between cleans:
•
Off
Clean Type Set the clean type:
• Continuous/Pulsed.
Continuous
Clean On Time Set the duration of the clean:
•
Clean Off Time Set the duration between cleans:
•
Number Of Pulses Set the number of pulses:
•
Recovery Time Set the time delay between the completion of cleaning and the display of a new
reading on the operator page:
•
Clean Duration
• Clean Type set to ContinuousClean on Time + Recovery Time
• Clean Type set to PulsedClean on Time + Clean Off Time) x Number of Pulses + Recovery Time
N/A
Next Clean Set the date and time of the next scheduled clean. N/A
Digital input/output polarity
Input status Output state
Open Inactive
Closed Active
Input status Output state
Open Active
Closed Inactive
Source status Output state Logic voltage*
Active On
Inactive Off
Source status Output state Logic voltage*
Active Off
Inactive On
devices fitted
Table 5 Digital input/output polarity
Relay output polarity
Source status Relay state N/C Contact N/O Contact
Active Energized Open Closed
Inactive Closed Open
Source status Relay state N/C Contact N/O Contact
Active Closed Open
Inactive Energized Open Closed
Table 6 Relay output polarity
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