Local Operation
4-19
f
Keypad Indicators.
The four LEDs indicate the keypad status. Each LED
shows the key status under the LED. Refer to the next paragraph for LED on/off
status.
g
Keypad.
There are four keys for you to select/control the operation of Load
module. The A/B key is used to select static load level. Its LED will be on when
the Load is in level1(A) state and off when in level2(B) state or others. The A/B
key can be used to select Fix mode for rotary knob setting too. Please refer to
4.3.3.
The STATIC/DYNA key selects STATIC/DYNAmic mode. Its LED will be on when
the Load is in DYNAmic mode. DYNAmic operation is only effective in CC mode.
In other modes, this key has no response.
The SHORT key enables Load to simulate short function. Its LED will be on when
the short function of Load is enabled. It operates only when the Load input is
enabled. It will not respond if Load input is not enabled.
The LOAD key controls the on/off of the Load module input. Its LED will be on
when the Load input is enabled.
h
Vsense Connectors.
These two connectors are Vsense measurement input.
Refer to 2.5.2 for remote sense connections.
i
Rotary Knob.
The knob changes the level when the Load input is enabled.
Rotating the knob clockwise will increase level whereas counterclockwise decrease
level. When you change Load level with the knob, the setting of Mainframe will
not change. The changed Load level will hold unless the same setting is changed
on Mainframe.
j
Load Terminals.
They are input connectors of the Load for connecting to the
UUT. Each of them carries a maximum of 40 Amps. If the current is over 40
Amps, you must connect two or more terminals for load connection. The PLUS (+)
must be connected to the high potential of UUT. Refer to 2.5.1 for load input
connection.
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