Table 3-1. Default Configuration For Fault Alarm; Table 3-2. Default Configuration For Overtemp Alarm - Hamilton Sundstrand Company Gas Fuel Metering Valve HFG2.0 User Manual

Gas fuel metering valve
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Fault Type
Driver Overcurrent
Tracking Error
Position Demand
RDC Failure
+14 Volts
–14 Volts
Input Voltage
EEPROM Checksum
Motor High Temp
Electronics High Temp
+5 Volts
Watchdog Expired
EEPROM Write
Fault Type
Driver Overcurrent
Tracking Error
Position Demand
RDC Failure
+14 Volts
–14 Volts
Input Voltage
EEPROM Checksum
Motor High Temp
Electronics High Temp
+5 Volts
Watchdog Expired
EEPROM Write
Low
High
Alarm
Alarm
N/A
1000 lbf
N/A
3.33 %
3.5 mA
20.5 mA
N/A
N/A
12.0 Volts
16.0 Volts
–16.0 Volts
–12.0 Volts
75.0 Volts
180.0 Volts
N/A
N/A
N/A
130° C
N/A
110° C
4.5 Volts
5.5 Volts
N/A
N/A
N/A
N/A

Table 3-1. Default Configuration For FAULT Alarm

Low
High
Alarm
Alarm
N/A
1000 lbf
N/A
3.33 %
2 mA
22 mA
N/A
N/A
12.0 Volts
16.0 Volts
–16.0 Volts
–12.0 Volts
75.0 Volts
180.0 Volts
N/A
N/A
N/A
135° C
N/A
110° C
4.0 Volts
6.0 Volts
N/A
N/A
N/A
N/A

Table 3-2. Default Configuration For OVERTEMP Alarm

Fault
Persist
Enable
Time
Yes
10 Sec
Yes
10 Sec
No
1 Sec
Yes
N/A
Yes
7.5 Sec
Yes
7.5 Sec
Yes
7.5 Sec
Yes
N/A
No
10 Sec
Yes
10 Sec
Yes
7.5 Sec
Yes
N/A
Yes
N/A
Fault
Persist
Enable
Time
No
10 Sec
No
10 Sec
No
1 Sec
No
N/A
No
7.5 Sec
No
7.5 Sec
No
7.5 Sec
No
7.5 Sec
Yes
10 Sec
No
10 Sec
No
7.5 Sec
No
N/A
No
N/A
CH. 3: OPERATING THE HFG2.0
Auto
Output
Reset
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Shut-
Output
Down
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
No
No
No
No
No
No
No
No
47

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