Function
and Features
Copyright ©ITECH Electronic Co., Ltd.
16
will maintain at setting power. As shown in Fig. 3-4.
Fig. 3-4 Voltage-Current Relation Schema under CW Mode
Under CW mode, the electronic load provides three ways to modify constant
power.
⚫
Rotate adjusting knob to set constant power value.
⚫
Use numeric keys to input power value and press
[Enter]
key to confirm set
constant power value.
⚫
Use
moving cursor and press
to adjust values at
corresponding positions.
Operation steps
1. Press
[CW]
key and
[Shift]
+
[CV]
to enter parameter setting screen.
Constant Power
Range=300.00W
2. Set maximum working power value and press
[Enter]
for confirmation.
Constant Power
Range =1.00W
▼
3. Set maximum voltage value and press
[Enter]
key.
Constant Power
▲
High=130.00V
▼
4. Set minimum voltage value and press
[Enter]
key.
Constant Power
▲
Low=0.000V
5. Complete parameter setting.
10.0000V 0.0000A
0.00W CW=1.00W
3.3 Input control function
Control input switch of the electronic load by pressing
[On/Off]
key on the front
board. If
[On/Off]
lamp is lighted, the input is on; and if
[On/Off]
lamp is
unlighted, the VFD Off is On and the input is off. When the electronic load is on,
the VFD working status indicator is OFF.
3.4 Keyboard locking function
Press the composite key
(Shift)+
(Lock) to lock the instrument board
key, and the VFD displays *. Under other function statuses, except
key
Input
voltage
Load current
V
I
Set power
V2
V3
I2
I3
CW mode
