Function L: High/Low Alarm Settings; Function M: High-High/Low-Low Alarm Settings; Flow Rate High/Low Alarm And High-High/Low-Low Alarm (Function L, Function M) - Toshiba LF620 B Series Instruction Manual

Switch operation
STEP2
STEP3
STEP4(=END)

Function L: High/Low Alarm Settings

Function M: High-High/Low-Low Alarm Settings

8.2.23 Flow Rate High/Low Alarm and High-High/Low-Low Alarm
(Function L, Function M)
The high/low limit, high-high/low-low limit of the flow rate, at which an alarm is generated, can be set
as % value of the span flow rate of the set maximum range.
The high/low alarm, and high-high/low-low alarm values for flow rate can be set within the range of
−10% to 110% (percentage to Range 1) in increments of 0.1%. The cancellation point (hysteresis) for
the alarm is set to 2.5% (with respect to the value set for Range 1).
●Changing the high/low alarm on/off setting
The following is an example to change the high alarm setting from OFF to ON.
Switch operation
STEP1
Display example
OUT MODE
The switches at the bottom change.
(
HOLD
At the same time, the cursor appears.
(The item indicated by the cursor is
highlighted.)
Then push
OUT MODE
You can continue to change the setting item.
Push
50ms PLS
items.
When the desired item is selected, push
OUT MODE
When you push
to confirm whether the setting is OK or not.
50ms PLS
If OK, push
setting, push
SET OK?
Pushing
and exits the setting screen.
ESC
O K N O
Display example
L:H/L ALM1
Select "H SET" from the setting item
1 H SET
selection menu.
2 H VAL
3 L SET
4 L VAL
5 EXIT
ESC
H SET
The current setting (OFF in this example)
appears.
OFF
Then push
* Pushing
ESC
screen.
－ 92 －
6 F 8 A 0 9 9 7
Description
are shown.)
.
to change the selection
: Selected item is scrolled up.
: Selected item is scrolled down.
to set the item temporarily.
, a message appears
O K
. If you want to redo the
N O .
ESC
cancels the setting operation
Description
.
returns you to the menu
ESC