18 output low limit setting, Output low limit setting function, Toshiba – Toshiba LF600F User Manual
Page 89
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8.2.18 Output Low Limit Setting
This function enables you to set the current output low limit value.
To set the output low limit, select one of the items listed in the table below.
#Output low limit setting function
Selection item
Output low limit
4.0mA
Current not lower than 4.0mA (0%) is output.
3.2mA
Current not lower than 3.2mA (-5%) is output.
2.4mA
Current not lower than 2.4mA (-10%) is output.
* If the low cut value (0) has been set to a value other than 0%, the output low limit value is fixed
to 4.0mA, regardless of which value you have set.
The output low limit can be checked/changed by the following procedure.
Key operation
Display example
Description
D:
Select "LOW LIMIT" in the configuration item
MEAS MODE
DAMPING
LOW CUT
ALM mA SET
DSP LOW CUT
^LOW LIMIT
[SEL] [ENT]
selection screen.
STEP1
D5:
The current setting value (4.0mA in this example) is
LOW LIMIT
4.0mA
displayed.
[ENT]
Then press the [ENT] key.
[EXT] [ENT]
‘Pressing the [EXT] key returns you to the menu screen.
STEP2
D5:
The switch name display at the bottom changes (three
LOW LIMIT
keys [UP], [DWN] and [SET]).
At the same time, the cursor appears.
[ENT]
(The digit on which the cursor is positioned is
fU PI fDWNl [SET]
reverse-displayed.)
STEPS
D5:
LOW LIMIT
Change the selection item using the [UP]/[DWN] key.
When you have selected the desired item, press the
[UP]/[DWN]
fU PI [DWNl [SET!
[SET] key.
STEP4
D5:
When you press the [SET] key, the selected item is set
LOW LIMIT
temporarily and a message confirming you whether the
2.4mA
setting is OK is displayed.
[SET]
If OK, press the [SET] key. If you want to redo the
OK?
^
[NO] [SET]
setting, press the [NO] key.
STEP5-1
D5:
Pressing the [NO] key when you are asked "OK?"
LOW LIMIT
causes the setting value to return to the previous value
[NO]
31
and enables you to redo the setting.
fU P] (DWNl [SET!
STEP5-2(=END)
D5:
Pressing the [SET] key when you are asked "OK?"
LOW LIMIT
causes the setting to be determined.
2.4mA
Then press the [EXT] key. You return to the menu
[SET]
[EXT] [ENT]
screen.
Pressing the [ENT] key enables you to restart
setting operation from a state of 2.4mA.
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