Function G: Current Output Setting; 4−20Ma Alarm Output Setting (Function G-1) - Toshiba LF620 B Series Instruction Manual

Switch operation
STEP3
STEP4(=END)
Note: The manual zero adjustment value can be set within the range equivalent to ±1 m/s

Function G: Current Output Setting

8.2.16 4−20mA Alarm Output Setting (Function G-1)
The 4−20mA alarm output setting is the function to fix the current output to a selected fixed value if
an alarm occurs when self-diagnosis function is performed.
The 4−20mA alarm output value can be selected from the following table.
● The 4−20mA alarm output setting function
Selection items
UNDER 3mA
4mA
HOLD
OVER 24mA
You can check or change the 4−20mA alarm output value as described below.
The following is an example to change the setting from UNDER 3.0mA to 4.0mA.
Switch operation
Display example
MANUAL
-002.5
MANUAL
-002.5
SET OK?
ESC O K
(±10 % of the maximum range 10m/s). If you try to set a value out of this range, an
error message HIGH OVER SPEC or LOW OVER SPEC appears. If this happen,
redo the setting.
In addition, if you perform still water zero adjustment with water held still, the manual
zero adjustment value will be cleared to 0.0%.
Display example
G:4-20mA
1 ALM 4-20
2 LOW LIM
3 EXIT
ESC
Push
desired digit and push
symbol or number of the digit.
%
Pushing
whether the setting is OK or not.
If OK, push
setting, push
%
ESC
Pushing
and exits the setting screen.
N O
The 4−20mA alarm output value
3.0mA or less
4.0mA
Fixed to the present value
24.0mA or more
Select "ALM 4-20" from the setting item
selection menu.
－ 80 －
6 F 8 A 0 9 9 7
Description
to move the cursor to the
to change the
shows a message to confirm
O K
. If you need to redo the
.
N O
cancels the setting operation
Description