Dwyer UXF3 - Manual (Page 63)

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4.10.4. Rate limit
Description
z Spike noise input such as slurry fluid can be cut and output.
z Settable range
(1) RATE LIMIT 0 to 5 [m/s]; 0 to 16.4 [ft/s] in terms of flow velocity. Absolute value is input (Factory set: 0[m 3 /h])
(2) RATE TIMER Enter in the range of 0 to 900 sec. (Factory set: 0sec)
Input
Output
Limit value
Limit time
Limit time
Limit value
(Note 1) When input exceeding a limit value continues more than limit time, it is output as a true signal.
(Note 2) When the limit time is set to 0sec, this function does not operate.
For actual keying, refer to the typical operation indicated below. Set the parameter protection to OFF beforehand. (See Section 4.4.1.)
Operation
(example) Set 5m 3 /h to RATE LIMIT, and 10sec to RATE LIMIT TIMER.
* Preset “PIPE PARAMETER” and “FLOW UNIT”.
Key operation Description Display
ź
Press the key twice to display “OUTPUT SETTING”.
OUTPUT SETTING
ENT
ź
Press the ENT key once to display “ZERO ADJUSTMENT”.
ZERO ADJUSTMENT
SET ZERO
ź
Press the key 4 times to display “RANGE”.
RANGE
ENT
ź
Press the ENT key once to display “RANGE TYPE”.
RANGE TYPE
SINGLE
ź
Press the key 8 times to display “RATE LIMIT”.
RATE LIMIT
0.000 m3/h
ENT
ź
Press the ENT key once to blink the cursor.
RATE LIMIT
0 0000.000 m3/h
ź
Press the key 4 times to align the cursor.
RATE LIMIT
0000 0 .000 m3/h
ź
Press the key several times to set “5”.
RATE LIMIT
0000 5 .000 m3/h
Press the ENT key once to register.
RATE LIMIT
COMPLETE
Ļ
ENT
ź
ź
ź
ź
ʊʊʊ RATE LIMIT has been registered. ʊʊʊ RATE LIMIT
5.000 m3/h
ź
Press the key once to display “RATE LIMIT TIMER”.
RATE LIMIT TIMER
0 sec
ENT
ź
Press the ENT key once to blink the cursor.
RATE LIMIT TIMER
0 00 sec
ź
Press the key once to align the cursor.
RATE LIMIT TIMER
0 0 0 sec
ź
Press the key several times to set “1”.
RATE LIMIT TIMER
0 1 0 sec
Bulletin F-107-UXF3