User`s manual

3645A Programmable Power Supply

ARRAY ELECTRONIC CO.,LTD 2002.3

3645A-TYPE USER’S MANUAL

2.3.2 I-set (set up a constant current or a maximum current from 0 to 3A)

3645A power supply can be set u p for a constant current or a maximum current from 0 to

3A, and there are two special application for users when he set up the I-set, please see the

following example.

Conditions: voltage=24V, load R=12 , then V/R=2 A, it represents that the power supply

provide the load with 2A current. If

1)Set up the current I = 2.50A, then the current should be displayed on the screen as 2.00A.

2)Set up the current I = 1.00A, then the current should be displayed on the screen as 1.00A. It

means that the power supply provides load 1.00A current.

Set up current procedure is as following:

2.3.3 Switch ON/OFF power output

The output of 3645A type power supply should be off when it is powered, users can change

the output status by using ON/OFF button. The button is a turn over button, when the original

output is ON, press the button, then the output will be changed to OFF status, when the original

output is OFF, press the button, then the output will be changed to ON status.

Procedure Operation details LCD display

Step 1 Press “I-set” 24.00V 0.00A

0.00W ON

Step 2 Enter the password ( Or jump to step 4 if the ENTER PASSWORD

keyboard is unlocked)

Step 3 Press “Enter” button ( it will return to step 2 if your ENTER PASSWORD

password is wrong for reentering) ****

Step 4 Press “I-set” . Set up a constant current or a maximum SET CURR=0.00A

current by using number keyboard or the rotary code NEW=1.2

switch.

Then prass “V/A” to confirm the set.

Step 5 Press “mV/mA” button to change the voltage unit into SET CURR=0.00mA

mA, it will return to step 4 for reentering if the current NEW= 15.0

value exceeds the high limited value of 3A

It will exit the setting up current operation at any procedure by press ESC button