Shutdown, Probe burnoff setup – Super Systems 9205 Series User Manual

Page 28

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Series 9205 Operations Manual Rev A

27


WARNING!

Before assigning or changing events, be certain that you are familiar with the function of the event whose

status you are going to change. Changing the status of an event without knowledge of the result can lead to

hazardous situations.


Clicking on the OK button will set the value, while clicking on the Cancel button will cancel the action.

The Return button will return the user to the menu screen.

Shutdown

The Shutdown selection will display a screen asking whether or not to shut down the interface of the Series

9205. When the operator interface is shutdown, the Series 9205 controller is still functioning. IT can be

monitored by connecting the Ethernet connection to a laptop computer, using Internet Explorer, and

assigning a legitimate IP address. Choosing Yes displays a typical computer desktop screen with the Start

button in the bottom left-hand corner. The power to the operator interface can now be turned off without

upsetting any of the settings. Choosing No displays the initial Status Screen.

Note - Shutting down the

Operator Interface does not shutdown the Series 9205 Controller

.

Probe Burnoff Setup

When a probe is in a furnace, soot will collect in the

end of the probe, which will have a negative effect

on the performance of the probe. Burnoffs are

used to clean out the built-up carbon by burning it

off of the probe.

Burnoff Time: This is the duration of the burnoff

measured in seconds. SSi recommends a 90

second burnoff, and this will be the default value.

However, it can be adjusted by the operator. Click

on the OK button to set the new value, or click on

the Cancel button to cancel.

Rec Wait Time: The amount of time allotted to

allow the probe measurements to return to a stable, accurate range after the burnoff is complete. This is

measured in seconds. The control output is held until this time is elapsed. Clicking on the value will allow

the user to change the value.

Interval: This is the amount of time between the beginning of one burnoff and the beginning of the next

scheduled burnoff, in minutes. Default time for the instrument is 720 minutes (12 hours). However, the

amount of time between burnoffs should be determined by the application.

Minimum Millivolts: The minimum measured millivolt tolerance of the probe required to start a burnoff.

Clicking on the value will allow the user to change the value. SSi recommends the millivolt value gets down

to 200 mV.

Maximum Temperature: The maximum measured temperature allowed during a burnoff. If the

temperature value is exceeded the burnoff will stop. This is done to help maintain the life and the accuracy

of your probe. SSi recommends a value of 1800 degrees. Clicking on the value will allow the user to change

the value.

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