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GW Instek PST-Series User Manual User Manual

Page 13

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PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

⎯ 20 ⎯

5-11.Test Lead

PST-3201

PST-3202

MODEL

ITEM

CH1

CH2

CH3

CH1

CH2

CH3

(3A)

Test Lead

(3A)

Test Lead

(3A)

Test Lead

(3A)

Test Lead

(3A)

Test Lead

(4A-10A)

Test Lead

Note: When use PST-3202 in parallel output, needs to use (Current

4A-10A) test lead.

5-12. The setting for the GPIB and RS-232 Interface

If you have PST-series programmable power supply, use the GPIB-

RS-232/LOCAL control to set or read the GPIB and RS-232

interface, please refer to the PST-series Programmer Manual for

more details.

PST-3201/3202 PROGRAMMABLE POWER SUPPLY

USER MANUAL

⎯ 21 ⎯

6. MAINTENANCE

The following instructions are executed by qualified personnel only.

To avoid electrical shock, do no perform any servicing other than the

operating instructions unless you are qualified to do so.

6-1.Fuse Replacement

If the fuse blows, the display will not light and the power supply will

not operate. The fuse should not normally open unless a problem has

developed in the unit. Try to determine and correct the cause of the

blown fuse, then replace only with a fuse of the correct rating and

type (refer to 3-2 of page 5). The fuse is located on the rear panel (see

Fig.4-2).

WARNING. For continued fire protection. Replace fuse

only with 250V fuse of the specific type and rating, and

disconnect power cord before replacing fuse.

6-2. Line Voltage Conversion

The primary winding of the power transformer is tapped to permit

operation from 100, 120, 220, or 230VAC, 50/60 Hz line voltage.

Conversion from one line voltage to another is done by change AC

selects switch.

The rear panel identifies the line voltage to which the unit was

factory set. To convert to a different line voltage, perform the

following procedure:

WARNING