Azbil Micro Flow MQV0002, Руководство пользователя

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5-6
Chapter 5. ADVANCED OPERATION
Display Item Item Description Setup Item and Description
Factory
Setting
Remarks
C- 16
Operation
selection at alarm
occurrence 0: Control continued and alarm
output OFF anytime (alarm
ignored)
1: Control continued and alarm
output ON
2: Forced fully closed and alarm
output ON
3: Forced fully open and alarm
output ON
-1: Control continued and alarm
output ON
-2: Forced fully closed and alarm
output ON
-3: Forced fully open and alarm
output ON
1 Alarm code displays even if “0” is
selected.
-1 to -3: Output logic 1 to 3 is inverted
(ON at all times).
(However, they are turned OFF at
all times during power shutoff.)
C- 1 7
Slow start setup
*7
0: Slow start disabled
1 to 8: Slow start enabled
(equivalent to approx. 1 to 6
seconds settling time)
0 Slow start is used when the external
contact input turns ON when slow
start operation switching is selected
at
C- 10
to
C- 12
.
C- 18
Gas type selection
1 0: Conversion factor for each gas
type set by the user
1: Air, nitrogen.
2: Oxygen
3: Argon
4: Carbon dioxide (CO
2
)
5: Natural gas 13A (LNG)(1)
(Heating value: 46 MJ/m
3
)
6: 100 % propane
7: 100 % methane
8: 100 % butane
11: Natural gas 13A (LNG)(2)
(Heating value: 45 MJ/m
3
)
(See
Remarks)
An initial gas type is set at the factory.
If the flow rate range changes due
to a change in the gas type, the flow
rate OK range and flow rate alarm
range in the parameter setup must be
changed.
When “0” is selected, set the
conversion factor (CF) in the
parameter setup mode.
5 - 2 Parameters (P. 5-11).
If “10” is selected for any of
C- 10
to
C- 12
(external contact input function
assignment) and only when an
objective contact is turned ON, the
gas type is the one selected by
C- 26
(gas type selection 2).
2: Selectable only on the oxygen
model
C- 19
Temperature
at reference
conditions 0: 20 ˚C, 1 atmosphere
1: 0 ˚C, 1 atmosphere
2: 25 ˚C, 1 atmosphere
3: 35 ˚C, 1 atmosphere 0
C-20
Valve amperage
alarm setup 0: Valve amperage alarm
disabled
1: Only upper limit alarm
enabled
2: Only lower limit alarm
enabled
3: Upper / lower limit alarm
enabled
0 Set up the alarm current value in the
parameter setup.
5 - 2 Parameters (P. 5-11).
C-2 1
Direct setup
function 0: Function disabled
1: Function enabled 0 SP value being changed (flashing) is
used for control.