System-Related Functions 
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down  power  to  follow  the  host  operation,  at  this  time  the  slave 
cabinet and the master cabinet need to connect the CTRL interface. 
The wiring method is shown in the figure below. 
 
7.11 Remote Measurement Function 
The  IT7900P  series  power  supply  supports  two  connection  methods:  Local 
measurement and Remote sensing. The remote sensing is used for maximizing 
measurement accuracy. (Refer to 2.4 Connecting Test Lines). 
The procedures to set the menu item are as follows. 
1.  Press the composite keys [Shift] +    (System) on the front panel to 
enter the system menu. 
2.  Press the up/down key or rotate the knob to select Sense compensation 
and press [Enter]. 
⚫  Local: Default value, indicates turn the sense function off. 
⚫  Remote: Indicates turn the sense function on. 
3.  After the parameter settings are complete, press [Enter]. 
7.12 Digital I/O Function 
This series power supply supports digital I/O function. The user can realize logic 
control over high and low level input or output by related configurations in the 
system menu. 
Pins Introduction 
Different I/O implements different functions. The detailed functions description 
are shown in the figure below: 
 Digital-IO