4
7 SG9H 70 en
1.4
Technical specifications
SG9000H INTELLIGENT ON/OFF CONTROLLER
General
Loop powered, no external power supply required.
Suitable for rotary and sliding-stem valves.
Actuator connections in accordance with VDI/VDE 3845
and IEC 60534-6 standards.
Action:
Double or single acting
Travel range:
Linear: 10–120 mm
Rotary: 45–95°
Measurement range 110° with freely
rotating feedback shaft
Environmental influence
Standard temperature range:
-40° to +85 °C / -40° to +185 °F
Low temperature option:
-40° to +60 °C / -40° to +140 °F
Influence of temperature on valve position:
< 0,5 % / 10 °C
Influence of vibration on valve position:
under 2g 5–150 Hz,
1g 150–300 Hz, 0.5g 300–2000 Hz
Open and closed position: no effect
Deviation from profile:
<10 %
Enclosure
Material
(SG92_):
Epoxy coated anodised aluminium
alloy, glass window (excluding E2)
Material
(VG93_): Stainless steel (316 or equivalent),
glass window as an option
Mechanical position indicator and LUI visible through the
main cover (SG92_).
Protection class:
IP66, NEMA 4X
Pneumatic ports:
SG9_1_
1/4 NPT
SG9235
1/2 NPT
SG9237
1 NPT (1/2 NPT supply)
(single acting only)
Conduit entry thread: M20 x 1.5
Weight:
SG921_ 3.0 kg / 6.6 lb
SG9235 4.6 kg / 10.1 lb
SG9237 5.0 kg / 11 lb
SG931_ 9.0 kg / 19.8 lb
SG92_ with extension housing plus 1.0 kg / 2.2 lb
SG93_ with extension housing plus 3.0 kg / 6.6 lb
Pneumatics
Spool material:
Hard anodized aluminium with special
teflon coating
Supply pressure:
3–8 bar / 44–116 psi
Output pressure:
3–8 bar / 44–116 psi
Air quality:
According to ISO 8573-1:2001
Solid particles: Class 6
Humidity: Class 1
(dew point 10 °C / 18 °F below minimum
temperature is recommended)
Oil class: 3 (or < 1 ppm)
Capacity with 4 bar / 60 psi supply:
SG9_12
7 Nm
3
/h / 4.1 scfm (Cv = 0.06)
SG9_15
90 Nm
3
/h / 53 scfm (Cv = 0.7)
SG9235
380 Nm
3
/h / 223 scfm (Cv = 3.2)
SG9237
feed 380 Nm
3
/h / 223 scfm (Cv = 3.2)
exhaust 700 Nm
3
/h / 412 scfm (Cv = 6.4)
Consumption with 4 bar / 60 psi supply:
actuator pressurized 0.22 Nm
3
/h / 0.13 scfm,
actuator vented 0.25 Nm
3
/h / 0.15 scfm
Electronics
Electrical connections: max. 0.25–2.5 mm
2
HART
Connections:
'+' and '-'
Supply power:
Loop powered, 4–20 mA
Minimum signal:
3.6 mA (see restrictions in 4.5.3)
Current max :
23 mA
Load voltage:
up to 9.7 V DC/20 mA
(corresponding 485 Ω)
Voltage:
max. 30 V DC
Polarity protection: -30 V DC
Over current protection:
active over 36 mA
Max power dissipation: 1.05 W
with position transmitter 1.74 W
Position transmitter (optional)
Connections:
PT: '+' and '-'
Output signal:
4–20 mA (galvanic isolation; 600 V DC)
(fault modes indicated by levels
3.5 and 22 mA)
Supply voltage:
12–30 V
Resolution:
16 bit / 0.244 μA
Linearity:
< 0.05 % FS
Temperature effect: < 0.35 % FS
External load:
max 0–780 Ω
max 0–690 Ω for intrinsically safe Local
user interface functions
Monitoring of valve position, input signal, tempera-
ture, supply and actuator pressure difference
Guided start-up function
LUI may be locked remotely to prevent unauthorised
access
Calibration: Automatic
Tuning
Mode selection: Automatic/Manual
Position trigger level
Stroke times, stroke profiles
Dead angle
Maximum speed
Positioner fail action, open/close
Signal direction: Direct/reverse acting
Actuator type: double/single acting
Valve type: rotary/linear IEC
Language selection: English, German and French
Remote user interface functions
Configuration and diagnostic information is presented in
easily understandable way using FDT/DTM technology,
such as Neles FieldCare™.
Ex NOTE:
This manual contains technical specifications for several
types of the SG9000H valve controller. If in doubt, refer
to the type approval certficate of the respective version.
The certificate is delivered with the field device and is also
available from the manufacturer.
Содержание Switchguard SG9000H
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