To change the excitatlon frequency, Toshiba – Toshiba LF434 User Manual
Page 53
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TOSHIBA
6 F 8 A 0 . 7 7 0
To change the excitatLon frequency:
The excitalion frequency ciin be belecled from 6 , 1 2 and 24 Hz. The charaderistics of
tile flowmeier chnnge in accordance wiih the selected frequency as shown beJow', 24 Hz
is
T h e
default setting
w 'h e n
shipped from the factory.
Excitation frequency
Zero point stability Good
Response lime
Fluid noise resistant
6 Hz
12 Hz
24 Hz
The following example shows how to change the excitation frequency from 24 Hz lo 12 Hz.
Key operation
Display example
Description
SET
A3: EX. FREQ.
24 Hz
Press [SET] first to start the items selection sequence
and select
A3;
EX. FREQ, from among the
configuration items using [ ► ] and [
a
] keys. Pre.ss
[SET) again to display the current excitation frequency
(24 Hz in this example).
►
□
A3: EX. FREQ.
24 Hz
Pressing [ ► ], the cursor appears.
▲
□
A3: EX. FREEI.
12 Hz
Select “12 Hz” by pressing [ * ] twice. The
excitation frequency changes as follows:
p d Hz -► 12 Hz -►24 Hz ^
SET
□
A3: EX. FREÍ.
12 Hz
Pressing fSE'I’j, the cursor disappears and the changed
display flickers. Press [SET] again to save the value.
SHT
A3: EX. FREQ.
Pressing [SET), the system returns to the items
selcdicm sequence.
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