Dwyer PUX - Manual (Page 62)

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(4) OUTPUT MODE: when setting the output mode
q Press the or key on the “ANALOG IN/OUT” page and select “OUTPUT MODE” from
“OUTPUT”.
Press the ENT key, and the screen is displayed, enabling you to select the output mode.
w Select the output mode by the or key and press the ENT key.
(5) BURN-OUT: when setting the burn-out process
[Operation]
When an error occurs, set a current output to forcedly set value. When solving the trouble, the current
output is automatically restored.
“ B U R N - O U T ” m e a n s a l l e r r o r s e x c e p t f o r
“ANALOG OUTPUT ERROR”.
q Press the or key on the “ANALOG IN/
OUT” page and select “BURN-OUT” from
“OUTPUT”.
Press the ENT key, and the BURN-OUT screen
w Select any of BURN-OUT items by the or
key and press the ENT key.
•
HOLD: Holds output indications before the
occurrence of errors.
•
UPPER: Outputs (120%, 23.2 mA) at upper
limit
16 mA
×
1.2 + 4 = 23.2 mA
•
LOWER: Outputs (-20%, 0.8 mA) at lower limit
16 mA
×
(- 0.2) + 4 = 0.8mA
•
ZERO: Outputs (0%, 4 mA) at zero point
ANALOG IN /OUT ANALOG IN /OUT
INPUT
ANALOG
0 . 0 0 0 E 0
DISPLAY
INPUT RANGE
ADJUST
OUTPUT
DISPLAY
RANGE UNIT
OUTPUT RANGE
OUTPUT MODE
BURN-OUT
ADJUST
m/s
HOLD
1 . 0 0 0 E 0
0 . 8 - 4 - 2 0 m A
100%
Flow
rate
Analog output
(a)
(b)
(c)
–100%
–20%
20mA
0.8mA
4mA
OUTPUT MODE OUTPUT MODE
4 - 2 0 m A
0 . 8 - 4 - 2 0 m A 0 . 8 - 4 - 2 0 m A
2 0 - 4 - 2 0 m A
: Outputs reverse flow up to -20%
: Cuts off reverse flow.
: Outputs reverse flow within 0 to
100% as well. 0.8-4-20
4-20
20-4-20
(a)
(b)
(c)
ESC
Forward Reverse
ANALOG IN /OUT ANALOG IN /OUT
INPUT
ANALOG
0 . 0 0 0 E 0
DISPLAY
INPUT RANGE
ADJUST
OUTPUT
DISPLAY
RANGE UNIT
OUTPUT RANGE
OUTPUT MODE
BURN-OUT
ADJUST
m/s
HOLD
1 . 0 0 0 E 0
0 . 8 - 4 - 2 0 m A
ESC
BURN-OUT BURN-OUT
UPPER
LOWER
ZERO
HOLD HOLD
BULLETIN F-68