Global Specialties 1305 - Manual User Manual
Page 7
c)
Turn the voltage and current controls fully counter
clockwise.
d)
Connect a DC ammeter or a shunt-digital voltmeter (DVM)
combination across the output terminals using appro-
priately-gauged wire and hardware. The recommended
current ratings for the ammeter or the shunt and the wire
must be atleast 5A. The ammeter or shunt-DVM
combination must be rated better than 0.5% accuracy.
e)
Turn the AC power switch ON. The front panel digital
meters will light up and voltmeter and ammeter displays
will read zero.
f)
Turn the Voltage control knob clockwise.
h)
Turn the Current control slowly clockwise.
g)
Compare the ammeter reading with the front panel
ammeter reading. Calculate the output current I using the
formula I=V/R where V is the DVM reading and R is the
resistance of the external shunt.
The control range will be from 0 to 5A. The red current
mode LED will be illuminated to indicate CC mode of
operation.
4.3
LOAD CONNECTIONS :
Each load should be connected to the power supply
output terminals using separate pairs of connecting wires.
This will minimize mutual coupling effects between
loads and will retain full advantage of the low output
impedance of the power supply. Each pair of connecting
wires should
4.4
REVERSE VOLTAGE LOADING :
A diode is connected across the output terminals. Under
normal operation, the diode is reverse biased (anode
connected to the negative terminal). If a reverse voltage
is applied to the output terminals(positive voltage applied
5
PCB Components
ZSDT-CT/05 PCB
=======================================================================
Ref Designator
Value
========================================================================
PRESETS
PR101
5K, PRE, LIN, (V)(DEV. DROP)
PR102
500E, PRE, LIN, (V)(V CAL)
PR103
500E, PRE, LIN, (V)(I CAL)
CAPACITORS
C1
0.1µF/100V, MP
C2
0.1µF/250VAC MKP
C3
15,000µF/50V ELE
C4
0.1µF/50V, MP 10%
C5
33µF/50V, ELE
C6
100µF/50V, ELE
C7
100µF/50V, ELE
C8
1µF/50V, ELE
C9
4.7µF/50V, ELE
C10
10µF/50V, ELE
C11
100µF/50V, ELE
C12
47µF/50V, ELE
C13
1kpF/50V, CD
C14
1kpF/50V,.CD
C15
0.1µF/50V, CD
C16
10µF/50V, ELE
C17
10µF/50V, ELE
C18
0.1µF/50V, CD
C19
220µF/50V, ELE
C20
220µF/50V, ELE
C21
47µF/50V, ELE
C22
10µF/50V, ELE
C23
0.1µF/50V, CD
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