Icon Process Controls ProCon DO3000-C Series Quick Start Manual page 15

ProCon — DO3000-C Series
®
Dissolved Oxygen Controller
Alarm
Relay 1 | 2 | 3
Auto Clean
Current Settings (mA Output)
Description
Current 1 | 2
25-0671 © Icon Process Controls Ltd.
Channel Choose the data type for the relay output.
Alarm Mode Select Alarm Mode. High | Low
The relay status can be configured as either "normally open" or "normally
Status
closed." The factory default setting is "normally open.
Users can set a "high limit value" & "low limit value" in this settings. The
Limit Value instrument will produce a tick sound when the measurement data exceeds
the high or low limit.
Hysteresis Enter Hysteresis Value
Example: To trigger an alarm when the main measurement value exceeds 10, follow these
steps:
Set the "Status" to "Normally Open," select "High Limit" under "Alarm Mode," and input 10 in the
"Limit Value" setting. Once the measurement exceeds 10, the instrument will produce a sound,
and the relay will activate. To maintain the alarm, connect an external alarm device.
Duration of
Clean
For example, if the user wants to clean every three minutes for one minute,
set the "duration" to "3" and the "off time" to "1" in minutes.
Off Time
Select Relay If the wire is connected to Relay 1, choose Relay 1.
Choose between "Hold" mode and "Real Time" mode. If "Hold" is selected, set
Clean Mode
the duration time (default is 5 seconds).
Channel Select the output "Main" Value or "Temp Value.
The Default Output Type is "4-20mA". The Upper Limit Value Corresponds to
Output Type
20mA and the Lower Limit Value corresponds to 4mA.
Upper Limit Set the Upper Limit Value
Lower Limit Set the Lower Limit Value
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