Buffer Menu - DEMA CPM 310 G User Manual

Digital overcurrent protection relay
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Buffer menu under the tab with same title is unique to DigiConnect program and does not exist on CPM
310 G menus. The reason for that is DigiConnect utilizes a temporary memory field to save the settings
changes before loading the settings to CPM 310 G until the changes are confirmed by the user on the
Buffer menu. Buffer menu comprises the following windows and controls.
1. Changed Settings window displays the settings changes that are made on the DigiConnect menus and sent
to the buffer, but not loaded to CPM 310 G yet. As seen on the picture above, changes or main titles that
contain changes are highlighted in red, until they are applied to CPM 310 G utilizing the Send to Device
control. If the highlighted title is clicked, the title expands to show the specific function that contains the
changes. The picture showing the expanded title menu can be found on the next page.
2. The buttons on the bottom right side of the window are used for the following duties:
a.
Create Password Key button is used when the password of a CPM 310 G unit is lost. In such a case,
the DigiConnect program is launched and connected to the relay with the secure password
"1234". When connected to the unit with the secure password, DigiConnect allows no
modifications on the relay settings but to create a password key file. When Create Password Key
button is hit, DigiConnect program creates a password recovery file and saves it to the local disc.
When this file is send to DEMA, the password will be recovered and notified to you.
b. Send to Relay button applies the changes made since the last settings update from DigiConnect
program. If there are any changes in the DigiConnect buffer to be sent to CPM 310 G, the button
is highlighted with red color flashing, while the button remains in passive condition in dim color if
there are no modifications to be sent from the buffer.
c.
Create Template File button saves the changes made since the last settings update from
DigiConnect program to create a file that can manipulate any CPM 310 G units with the same
changes in settings. Like the Send to Relay button, the Create Template File button remains in
passive condition in dim color if there is nothing to be saved at the buffer. Note that the template
file does not contain all of the relay settings but only the recent settings changes, so as to provide
manipulation of certain variables on differently set relays.
The template file extension is ".tpl".
d. Load Template File button triggers a process to locate and load a previously created changes
template file to DigiConnect buffer. In order to apply the content of the file to CPM 310 G, the
buffer content must be send to the relay unit using Send to Relay button.
e.
While locating a previously created changes file, look for the ".tpl" extension.

Buffer Menu

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