Setting the flow switch, Bulletin f-107-uxf3 – Dwyer UXF3 User Manual
Page 67
-59-
4.10.5.3. Setting the flow switch
Description
z Select a contact output as DO1, DO2 and/or DO3 when the flow rate has exceeded a setting.
Flow rate
In case of FLOW SW HIGH SWITCH
Time
Hysteresis
ON or OFF
Flow rate
In case of FLOW SW LOW SWITCH
Time
ON or OFF
Hysteresis
z Settable range
Flow rate
: 0 to 32m/s; 0 to 105 [ft/s] in terms of flow velocity.
Action
: FLOW SW HIGH or FLOW SW LOW
Contact action : ACTIVE ON : DO1/DO2: Normally off DO3: Normally open
ACTIVE OFF : DO1/DO2: Normally on DO3: Normally close
Note) The hysteresis value set in Section 4.9.1 "Setting of flow rate range” is applied to the action range.
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 the DO1 output to “FLOW SW HIGH”, and upper limit flow rate to 12 [m
3
/h].
Also, set the contact to “ACTIVE ON”.
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 6 times to display “DO1 OUT”.
* Press the
key again to display “DO2 OUT”.
* Press the
key once again to display “DO3 OUT”.
DO1 OUT
NOT USED
ENT
ź
Press the
ENT
key once to blink the cursor.
DO1 OUT
NOT USED
ź
Press the
key 5 times to display “FLOW SWITCH” on the 2nd
line.
DO1 OUT
FLOW SWITCH
ENT
ź
Press the
ENT
key once to display the flow rate setting screen of “FLOW
SW HIGH”.
* Press the
key once to display the flow rate setting screen of
“FLOW SW LOW”.
FLOW SW HIGH
10.0000 m3/h
ENT
ź
Press the
ENT
key once to blink the cursor.
FLOW SW HIGH
0
010.0000 m3/h
ź
Press the
key 3 times to move the cursor.
FLOW SW HIGH
001
0
.0000 m3/h
ź
Press the
key twice to set “2”.
FLOW SW HIGH
001
2
.0000 m3/h
ENT
ź
Press the
ENT
key once to register.
FLOW SW HIGH
COMPLETE
Ļ
ź
ź
ʊʊʊ “FLOW SW HIGH” has been registered. ʊʊʊ
STATUS OUT
CONTACT ACTION
ENT
ź
Press the
ENT
key once to display “CONTACT ACTION”.
CONTACT ACTION
ACTIVE ON
Bulletin F-107-UXF3