3310F Series Operation Manual 23
3.2.13.1. Constant Current (CC) mode:
The High and Low levels of load current can be preset at lower 5 digit
LCD. The "A" LED will be lit indicating the setting value is amps.
3.2.13.2. Constant Resistance (CR) mode:
The High and Low levels of load resistance can be preset on the lower 5
Digit LCD. The "Ω" LED will be lit indicating the setting value is ohms.
3.2.13.3. Constant Voltage (CV) mode:
The High and Low levels of load voltage can be preset on the lower 5
Digit LCD. The “V" LED will be lit indicating the setting value is volts.
3.2.13.4. Constant Power (CP) mode:
The High and Low levels of load power can be preset on the lower 5 digit
LCD. The "W" LED will be lit indicating the setting value is watts.
3.2.13.5. Dynamic mode (CC, CR or CP modes only):
Each press of the DYN button cycles through the dynamic load settings.
The DYN settings are used in conjunction with the High and Low levels
Of load current to define the dynamic waveform. Each press of the DYN
Button switches from T_Hi (time high), to T_Lo (time low), to Rise time
And then to fall time. The middle LCD shows the section of the dynamic
Waveform which is programmed with the rotary knob and read from the l
ower display. The “ms” LED shows that the settings are programmed in
Milliseconds.
3.2.14. key
The LIMIT button allows the user to set upper and lower thresholds for voltage,
Current or power. These threshold settings are used in conjunction with the NG
function to flag when the load is operating outside the desired limits
Each press of the LIMIT key enables a different value to be entered. On first press
of the LIMIT key the button will illuminate and V-Hi will be displayed on the middle
LCD. The setting is made with the rotary knob and can be read from the lower LCD
during setting. The setting sequence is shown below:
V_Hi (DVM upper limit)
V_Lo (DVM lower limit)
I_Hi (DAM upper limit)
I_Lo (DAM lower limit)
W_Hi (DWM upper limit)
W_Lo (DWM lower limit)
NG OFF/ON (No Good Flag)
LIMIT setting function OFF
The engineering unit is “V”, “A” or “W” depending on the threshold LIMIT being set.
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