Hamilton Sundstrand Company Gas Fuel Metering Valve HFG2.0 用户手册

1.2 General Specification Summary

PARAMETER

VALUE

Power Input

Voltage Range

80-160 VDC; 120 VDC nominal

Maximum Current

20 A

Typical Transient Current

+20A < 60ms; +10A < 120ms; -5A < 100ms

Typical Continuous Current

< 1A

Inputs and Outputs

Discrete Inputs

RUN and RESET commands

ON Voltage:

12 – 32 VDC,

+24 VDC nominal @ 6.5 mA

OFF Voltage:

1.0 VDC, maximum

Discrete Outputs

FAULT & OVERTEMP alarms

OFF Voltage:

32 VDC maximum @ 150 µA typical

Effective ON Resistance

1.1 kΏ, nominal

@ ≥ 1.5 VDC:

Analog Input

DEMAND command signal

Current: 4 to 20 mA; 25 mA Maximum
Voltage: 5 VDC Maximum
Internal Impedance: 200 Ώ

Analog Outputs

POSITION & MTR

CURRENT feedback

Current: 4 to 20 mA
External Load Resistance: 300 Ώ, Maximum

Maximum Common Mode Voltage

±200 VDC User I/O to 120 VDC Return (less serial interface)

Performance

All performance values are based on use with HFG2.0 in default configuration.
Any changes to HFG2.0 firmware settings to change stroke profile will alter
performance values.

Maximum Operating Pressure

500 psig

Proof Pressure

2000 psig

Minimum Controllable Flow (Natural Gas)

15 pph (configuration dependent)

Maximum Controllable Flow

30,000 pph (configuration dependent)

Step Response (10% to 90%)

100 ms

Flow Accuracy

± 5% of flow point, typical

Mean Time Before Unscheduled Removal

30,000 Hours

Life Cycles

32,000 Minimum

Environmental

Temperature, Operating Ambient:

-40

° C (-40° F) to +93° C (+200° F)

Temperature, Operating Fuel:

-40

° C (-40° F) to +125° C (+257° F)

Temperature, Storage

-40

° C (-40° F) to +125° C (+257° F)

Environmental Rating

Rated to CSA Type 3 and European IP65
Sealed against dust, protected against water

EMC

Meets EN 50081-2 and EN50082-2 for DC powered industrial equipment

Vibration

Meets Mil-Std-810E, Category 4 (5 – 2000 Hz)

INSTALLING THE HFG2.0