Hamilton Sundstrand Company Fuel Metering Valves XVG Manuel D’Utilisation

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All XVG/eXVG parameters can be uploaded using Modbus Read Registers 
function then convert the results into appropriate number representation for display 
and monitoring.  Model number and part number need to be converted into ASCII 
character string.  All registers are readable, choose whichever parameters are of 
interest and read them. 
 
10.2  Accessing Fault Records Procedure 
 
The following parameters will be used to retrieve the XVG/eXVG fault records.  
There are a maximum of 16 records available in the valve.  The first eight are 
permanent records, the other records are updated on a first-in first-out basis.  When 
there were 16 fault records in the valve, the oldest non-permanent record will be 
deleted when a new fault record is created. 
 
Register 
Number 
XVG/eXVG Parameter Name 
Description 
Type 
Write 
Access 
3028 
IDM_FRUNTMMINS 
Fault Log, Run Time Minutes of fault log 
U16
 
RO
 
3029 
IDM_FRUNTMSECS 
Fault Log, Run Time Seconds of fault log 
U16
 
RO
 
3043 
IDM_FRECORDNO 
Fault Log Record No, selects fault log record, 0-
16 
U16
 
W0 
3044 
IDM_FFAULTCODE 
Fault Log, Fault Code of fault log record 
U16
 
RO
 
3045 
IDM_FRECORDS 
Fault Log, Number of faults in fault log record 
U16
 
RO
 
3094 
IDM_TESTCTRL 
Use to trigger EEPROM tasks (sets bits in 
ETFLAGS). Fully functional using PECC 
protocol. Using Modbus, only fault read task 
allowed. See  ETFLAGS for bits. 
U16
 
W0 
5026 
IDM_FTOTALHRS 
Fault Log, Total Hours of fault log record 
U32
 
RO
 
5028 
IDM_FRUNTMHRS 
Fault Log, Run Time Hours of fault log 
U32
 
RO
 
7050 
IDM_FVOLTS3PT3 
Fault Log, Volts3pt3 at time of fault 
Float
 
RO
 
7052 
IDM_FSOLTEMP 
Fault report variable, not used 
Float
 
RO
 
7054 
IDM_FINPUTPRES 
Fault Log, InputPres at time of fault 
Float
 
RO
 
7056 IDM_FOUTPUTPRES 
Fault 
Log, 
OutputPres at time of fault 
Float
 
RO
 
7058 
IDM_FGASTEMP 
Fault Log, GasTemp at time of fault 
Float
 
RO
 
7060 
IDM_FFLOWRANGE 
Fault report variable, not used 
Float
 
RO
 
7062 
IDM_FMEASFLOW 
Fault Log, MeasFlow at time of fault 
Float
 
RO
 
7064 
IDM_FFAULTDATA 
Fault Log, Fault Data at time of fault 
Float
 
RO
 
7066 
IDM_FPOSININCHES 
Fault Log, PosInInches at time of fault 
Float
 
RO
 
7068 
IDM_FTEMPAMB 
Fault Log, TempAmb at time of fault 
Float
 
RO
 
7070 
IDM_FVOLTSPOS15 
Fault Log, VoltsPos15 at time of fault 
Float
 
RO
 
7072 
IDM_FVOLTSNEG15 
Fault Log, VoltsNeg15 at time of fault 
Float
 
RO
 
 
Table 24:  Fault Records Parameters 
 
 
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