Hamilton Sundstrand Company Fuel Metering Valves XVG Benutzerhandbuch

 

 

 

-  Write 2 to register 3005.  Valve will close and reset. 

 

6.  To restore the previous R and K values, write the value of R to register 7518 

and the value of K to 7520.  In case the old values are forgotten and the new 
values have not been saved to the valve, reset the valve by turning power off 
then on to restore R and K.  The following steps will also reset the valve; care 
must be taken, valve will close and reset. 

 

RESET valve routine: 

 

-  Write a password to register 3099. 
-  Write 1 to register 3005.  Wait 100 milliseconds. 
-  Write 2 to register 3005.  Valve will close and reset. 

 

 

All setup parameters, tables 15-20, can be written when you have the appropriate 
password.  New parameters can be downloaded to the XVG/eXVG as follows: 

 

-  Setup proper write-access level for the parameters. 
-  Write the new values to the registers. 
-  Perform Save Parameters routine. 

 

 

3005 IDM_SETUPCONNECT 

Setup 

Mode: 

1=Set Valve in Setup State, 2=Exit 

Setup and Reset CPU 

U16

 

W1 

3033 IDM_CALFLAGS 

Calibration 

Flags 

U16

 

W1 

3099 IDM_TESTSTR 

Test 

string, used for Modbus write access 

password. 

U16

 

W0 

3540 

IDM_SLAVEADDR 

Modbus slave address. Range: 1 to 247 

U16 

W2

 

 

XVG/eXVG default Modbus address is 1.  In case the Modbus address is forgotten, 
a new address can be assigned by using broadcast messages.  Perform the following 
steps; send all messages with device address 0: 

 

1.  Make a one-to-one connection between the Modbus master and the 

XVG/eXVG; no other Modbus device is present on the network.   

2.  Write a password to register 3099. 
3.  Write 1 to register 3005.  
4.  Write the new device address to register 3540. 
5.  Write 1 to register 3033.  Wait 100 milliseconds. 

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