Flowserve 420 IOM - Manual (Page 6)

User Instructions - Logix® 420 Series Digital Positioners FCD LGENIM0106-06 12/13
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2
SPECIFICATIONS
2.1 Input Signal
Table 1: Input Signal
Power Supply Two-wire, 4-20 mA
10.0 VDC terminal voltage
Input Signal Range 4 - 20 mA (HART)
Compliance Voltage 10.0 VDC @ 20 mA
Effective Resistance 500 Ω @ 20 mA Typical
Minimum Required Operating
Current 3.8 mA
Signal Interrupt Without Restart
Time (after powering positioner
for at least one minute) 80 ms
Maximum Shut-down Current 3.6 mA
Communications HART protocol
2.2 Air Supply
Table 2: Air Supply
Minimum Input Pressure 1.5 Bar (22 PSI)
Maximum Input Pressure Single Acting Relay – 6 Bar (87 PSI)
Air Supply Quality The air supply must be free from
moisture, oil and dust by conforming to
the ISA 7.0.01 standard. (A dew point
at least 18 degrees Fahrenheit below
ambient temperature, particle size
below five microns
—one micron
recommended —and oil content not to
exceed one part per million).
Operating Humidity 0 - 100% non-condensing
Acceptable Supply
Gasses Air, sweet natural gas, nitrogen and
CO2 are acceptable supply gasses.
Sour natural gas is not acceptable.
Air Consumption 0.069 Nm³/h @ 1.5 bar
(0.041 SCFM @ 22 PSI)
0.082 Nm³/h @ 4.1 bar
(0.050 SCFM @ 60 PSI)
2.3 Physical Specifications
Table 3: Physical Specifications
For dimensions, see section 15 POSITIONER .
Housing Material Cast, powder-painted aluminum
EN AC-AlSi12(Fe)
Soft Goods Fluorosilicone
Weight of Base Positioner
Without Accessories With LCD and Glass Cover
2.70 kg (5.95 lb)
With Solid Cover
3.11 kg (6.85 lb)
2.4 Pneumatic Output
Table 4: Pneumatic Output
Output Pressure
Range 0 to 100% of air supply pressure.
Output Air Capacity Single Acting Relay –
9.06 Nm³/h @ 1.5 bar
(5.33 SCFM @ 22 PSI)
20.8 Nm³/h @ 4.1 bar
(12.2 SCFM @ 60 PSI)
2.5 Stroke Output
Table 5: Stroke Output
Feedback shaft
Rotation Min 15°, Max 90°
45° recommended for linear applications.
2.6 Temperature
Table 6: Temperature
Operating
Temperature Range* -52 to 85°C (-61.6 to 185°F)
Transport and Storage
Range -52 to 85°C (-61.6 to 185°F)
*Reduced performance at low temperatures.
2.7 Positioner Performance Characteristics
Table 7: Performance Characteristics
Better than or equal to the following values on a 25 square inch
Mark I actuator per standard ISA 75.13.
Resolution  0.25%
Linearity +/-1.25%
Repeatability  0.25%
Hysteresis 
1.0%
Deadband  0.3%
Sensitivity 
0.25%
Stability 
0.4%
Long term drift  0.5%
Supply Pressure Effect 
0.2%
2.8 ValveSight DTM Software Specifications
Table 8: ValveSight DTM Software Specifications
Computer Minimum Pentium processor running
Windows 95, 98, NT, 2000, XP, 32 MB total
memory (64 MB recommended), 30 MB
available hard disk space, CD-ROM drive
Ports 1 minimum available with 8 maximum
possible. (Can also communicate via serial,
PCMCIA and USB connections)
HART Modem RS-232, PCMCIA card, or USB
HART Filter May be required in conjunction with some
DCS hardware.
HART MUX MTL 4840/ELCON 2700