HVP11 Intelligent valve positioner is a necessary accessory for intelligent
pneumatic actuator. Its operating principle is completely different from analog
positioner.
HVP Intelligent
valve positioner and pneumatic actuator construct a feedback control loop, in
this return circuit, the valve position feedback signal is regarded as a
variable
comparing with
given signal in microprocessor and the D-value between them sends out different
length of pulse through the outlet of the main control panel to control the output
pressure of the I/P conversion unit, thereby the control valve is driven to
act.
HVP11 Intrinsically-safety type,HVP12 Explosion-proof type.
FEATURES:
1. High accuracy
to class 0.5;
2. Set and select
output characteristics at will;
3. Low power and air
consumption, high vibration resistance and it is suitable for bad environment;
4. It can match up
with any actuators with different size automatically;
5. Remote
configuration and monitoring can be available with superior computer or hand
terminal end;
6. Self-diagnosis
function for signals outrange, input signal interruption and valve position
signal interruption.;
7. Failure mode：Full open, full close, holding and switch to hand
movement;
8.
Communication with HART
and PROFIBUS-PA protocol;
9. Current
feedback function: output 4～20mA valve position signal.
STANDARD SPECIFICATION
|
Series
|
HVP11
|
|
Model
|
HVP□□□□□□□□
|
|
Input signal
|
4~20mA analog signal or digit signal
|
|
Input resistance
|
450Ω
|
|
Air supply
|
0.2MPa～0.55MPa
|
|
Air consumption
|
≤0.6NL/min
|
|
Travel
|
10～100mm（Corner 60～90°）
|
|
Limit of intrinsic error
|
±0.5%，±1.0%（Standard）
|
|
Hysteresis error
|
≤0.5%
|
|
死区 Dead band
|
≤0.1%(Min.)
|
|
Conditions of working atmosphere
|
a、Ambient temp.：－30～+80°C（），
－40～+80°C（Low
temp.）
b、Ambient humidity：5%～95%
c、Ambient atmosphere：86～106k
d、There is no corrosive gas in
ambient air
|
|
Display
|
LCD（Note: Displays is fuzzy when the temp. is lower than-20°C）
|
|
Explosion-proof level
|
Ex iaIICT6 Gb/iaD20 T100（
Intrinsically-safety /Dust explosion
prevention）
Intrinsically Safe,
Explosion-Proof Certification: Pass the test of explosion-proof and
intrinsically-safety by the qualification bodies with explosion-proof
certification,
|
|
Protection grade
|
IP65
|
|
Electric wiring connection
|
M20X1.5-7H（Standard）、1/2NPT、G1/2
|
|
Air wiring connection
|
Rc1/4″、1/4NPT、G1/4
|
|
Associative device
|
GS8067-Ex(ia)、GS8047-Ex(ia)、GS8011-Ex(ia)
Isolated safety barrier
|
|
Shell material
|
ADC12
|
|
Weight
|
2.0kg（HVP11）、3.0kg（HVP12）
|
Fig.1 EXTERNAL DIMENSIONS
Fig. 1-1 Overall dimensions of
HVP11
Fig.2 WIRING DIAPHRAGM
Fig.2-1
HVP11 Input signal connection
Allowable
load resistance RB<（U-18）/I
max RB=K, U=V, I max=Ma
Fig.2-2
HVP11 Current feedback connection
Fig.2-3
HVP11 Alarm connection
|
|
订货号Order No.
|
|
Intelligent valve positioner
|
HVP
|
|
|
|
|
|
|
|
|
|
|
|
|
Piezoelectric
intrinsically-safety
|
11
|
|
|
|
|
|
|
|
|
Single acting
Double acting
|
1
2
|
|
Liner stem motion
Rotary stem motion
|
L
R
|
|
Without communication protocol
HART Protocol
Profibus-PA Protocol
|
0
1
2
|
|
Without auxiliary module
Current feedback module
Alarm module
Current feedback & alarm
module
|
0
1
2
3
|
|
Electric wiring connection M20x1.5-7H
1/2NPT
G1/2
|
0
1
2
|
|
Air wiring connection Rc1/4
1/4NPT
G1/4
|
0
1
2
|
|
Others
|
|
Note: The
type of double acting, Profibus-PA protocol and alarm module are only
applicable for HVP11
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