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ABB SACE
SACE PR010/T
RH0029002
L2551
41/67
67
Where the arrows indicate which elements of the ALARM 1 block are selected.
The buttons and are used to display the previous/next screen and the buttons
and
to
activate/deactivate the selected element (the arrow next to the element is shown/removed)
There are 18 blocks, each of which is made up of eight elements and is displayed in three
consecutive screens; up to 8 elements may be activated for each block.
On the last screen of each block it is possible to define the AND/OR logic applied to the selected
elements and the minimum release activation time.
13.6.2 Parameters
The protection parameters are divided into:
1. L protection
2. S protection
3. I protection
4. G protection
For example, selecting:
enters the screen that displays the parameters of protection L and the following screen appears:
Pressing the ENTER key launches editing mode (the cursor starts blinking); the buttons and
are used to position the cursor on the desired parameter and the buttons
and
to change the
value of the parameters in the allowed range.
Key to be pressed
Item selected
1
Operation mode
x
PR121/P
4
Config./Parameters
2
Parameters
1
Protection L
ENTER
L prot t=k/i2 [...]
Threshold: x.xx In
Time: x.xx s
Thermal mem: ON [OFF]