Wago 759-302 COMMISSIONING TOOL I/O-CHECK 2 759-302 Ficha De Dados

Operation (Overview)    •  79 

the offset. Afterwards, connect the 200Ohm resistor and set the process value 
to 266.4°C 

$=  16*266.4 = 0x10A6 by modifying the gain.  

If required, you can also adjust the offset for the wire resistance when 
performing a 2-wire measurement. For that purpose, select the 2-wire 
connection in the settings dialog box and set the process value to 0x0000 in 
the alignment dialog box at a resistance of 100Ohm with the 2-wire offset. 

This procedure can also be performed in any other type of operation (Ni100, 
Pt1000 etc.). The values for the alignment are stored only once per channel. 
The value for the wire resistance adjustment is stored only once per module. 

If the values of the alignment register are completely wrong, you can use the 
following initial values: 

 Offset 

 

0xECF0 

 Gain 

 0x2700 

 

2-Wire Offset  

0x0180 

 

Store the changed values in the EEPROM of the module by pressing the OK 
button and quit the alignment dialog box by pressing the C

 button. 

Open the parameter dialog box of the selected bus module by executing the 
command Settings in the context menu of the module in the node display or 
navigationbar. 

Note: 
Before changing the parameters make sure that you save the setted values 
in a parameter file. This will enable you to access the original values in the 
case of an incorrect parameterization. To do so, use the S

 and O

 

buttons in the parameter dialog box. 

Select the connected sensor type and set the required operation parameters. 

Press the D

 button to show the default values for this module. You can 

change the shown values if required. 

Store the changed values in the EEPROM of the module by pressing the 
A

 button and quit the parameter dialog box by pressing the C

 

button.