8*2л2 high and low limit alarms, Toshiba – Toshiba LF494 User Manual
Page 77
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TOSHIBA
6 F 8 A 0 7 7 4 .
8*2Л2 High and Low Limit Alarms
The high and low limit alarms can bj set to output an alarm signal when the flow rale ex
ceeds the high or low limit set value, When this alarm occurs, a H. ALARM orL. ALARM
message appears. This high and low limit alarm function can each be enabled or disabled in
this item. The high and low limit values can.be set from -10% to 110% of the span of the
range (Range 1) in ijicremcms of
Proceed as follows to check or change the higJt and low limit values.
To check the high and low limit values:
Key operation
Display example
Description
sriT
□
M: H.
ALARM
SET
ON
Press [SET] first to start the items selection sequence
and select It: H ALARM SET from among the
configuration items using [ ► ] and [
a
] keys. Then
press [SET] again to display the high limit alarm
enablc/disable status.
SET
□
11: H.
ALARM
SET Pressing [SET], the system returns to the items
selection sequence.
High/low limit alarm enablc/disablc status and high/Jow limit value cun be selected by the
configuration items as follows:
High limit alarm enable/disable status II: H. ALARM SET
High limit value
I
Low limit alarm cnabJey'disuble status 13:
L
Low limit value
I
H. ALARM
SET
H. ALARM
VAL
L.
ALARM
SET
L.
ALARM
VAL
-
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