GENER
AL
INFO
SPECS
MOUNTING
ST
AR
T UP
OPER
ATION
M
AINTENANCE
DIMENSIONS
HO
W
TO
ORDER
LOGISTICS
15
NDX VALVE CONTROLLER
4.1
General
Loop powered 420 mA, no external power supply required.
Suitable for linear and rotary valves.
Actuator connections in accordance with VDI/VDE 3845 and IEC
605346 standards.
Action: Single acting or double acting, direct or reverse
Travel range:
Linear: 5120 mm / 0.24.7 in
Rotary: 30160 degrees
4.2
Environmental Influence
Standard
temperature range:
40° – +85 °C / 40° – +185 °F
Influence of temperature
on valve position:
Rotary: 0.5 % / 10 °C
Linear: 0.1 mm / 10 °C
LUI usable range:
30° +60 °C
Temperature cycling/
Dry heat:
Acc. to IEC 6006822
Humidity Limits:
Acc. to IEC 615142
Magnetic Fields:
Negligible at 30 A/m
Acc. to IEC 6100048
Vibration:
Tested acc. to ANSI/ISA75.13.012013
4.3
Electromagnetic Protection
Emission acc. to IEC 6100064
Immunity acc. to EN 6100062
4.4
Enclosure
Housing Material:
Epoxy coated anodized aluminum
alloy, EN1706 AC AlSi12 (b)
Cover Material:
Compact: Polycarbonate
Standard: Polycarbonate
Explosion Proof: same as housing
and glass window
Magnet holder:
Glass fiber reinforced polyamide,
PA66GF20
Protection class:
IP66, NEMA 4X
IP67 optional for storage and
transport
Pneumatic ports:
Supply air:
1/4 NPT, G1/4 with
additional block
Actuator:
1/4 NPT, G1/4 with
additional block
Exhausts:
2 or 3 pcs. 3/8 NPT, G3/8 with
additional block
Cable entry:
2 pcs. 1/2 NPT (M20 with adapter)
Weight:
2.0 kg / 4.4 lbs (Compact)
2.8 kg / 6.2 lbs (Standard)
3.8 kg / 8.4 lbs (Explosion proof)
Gauge block 0.9 kg / 2.0 lbs
4.5
Pneumatics
Supply Pressure:
1.4–8 bar / 20–116 psi (single
acting)
2.0–8 bar / 29–116 psi
(double acting)
Pressure range up to 10 bar with
limited
life
time
Supply Media:
Air, nitrogen, sweet natural gas2
E
ffect of supply pressure
on valve position:
< 0.1 % at 10 % difference in inlet
pressure
Air quality:
Acc. to ISO 85731
Solid particles:
Class 7 (40 μm filtration)
Humidity:
Class 1 (at minimum dew point 10 °C/
18 °F below minimum temperature
is required)
Oil class:
3 (or < 1 ppm)
Air Capacity
1
:
80 Nm
3
/h / 47.1 scfm
Air Consumption in
steady state position1:
0.1 Nm3/h / 0.06 scfm
1
rated at 4 bar / 60 PSI supply pressure
2 If natural gas is collected from the exhaust, make sure there
are no backpressure in the exhaust side. This applies also to
so called rebreather application where the exhaust is piped to
the actuator spring side.
4.6
Electronics
HART
Protocol rev. 6 / 7
Supply power:
Loop powered, 4–20 mA
Min. signal:
3.8 mA
Min. control signal:
3.95 mA
Current max:
120 mA
Load voltage:
9.7 VDC at 20 mA
9.0 VDC at 4 mA
Impedance at 20mA:
485 Ω
Maximum Voltage:
30 VDC
Rev. Polarity protection:
30 VDC
Over current protection:
active over 35 mA
Wire size:
0.52.5 mm2 (1420 AWG)
Performance with moderate constantload actuators
Dead band:
≤ 0.2 %
Hysteresis:
< 0.5 %
Linearity error:
< 0.5 %
Repeatability:
< 0.2 %
Position transmitter (optional)
Output signal:
4–20 mA (galvanic isolation; 600 VDC)
Supply Voltage:
12–30 VDC
Linearity:
< 0.05 % FS
Temperature effect:
< 0.35 % FS
Failsafe output:
3.5 mA or 22.5 mA (acc. to NE 43)
Maximum External load:
690 Ω for I.S.
4
TECHNICAL DESCRIPTION
SPECS
Содержание NELES NDX 511 Series
Страница 80: ...80 NDX VALVE CONTROLLER 15 1 NDX1510 LINEAR APPLICATION ROTARY APPLICATION Fig 98 15 DIMENSION DRAWINGS ...
Страница 82: ...82 NDX VALVE CONTROLLER 15 3 NDX_512_ Tightening torque 15 Nm 48 Fig 100 15 DIMENSION DRAWINGS ...
Страница 84: ...84 NDX VALVE CONTROLLER Fig 103 NDX_511_ Fig 104 NDX_512_ 15 DIMENSION DRAWINGS ...
