GW Instek PST-Series User Manual User Manual
Page 13

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