User Manual

4.
Use rotary to select the CC->CV ON or OFF followed by
.
5.
Press
several times to exit the menu setting.
When CC to CV protection is tripped during operation, the output will turn off and the following CC to CV
status message will display:
To clear the trip status, press
once.
3.4.4 External Analog Control
To control or monitor the output of the power supply using external signals, refer to the following
figure of the DB25 connector located in the rear panel. The logical signal L is a TTL compatible
signal. The analog signal A cannot exceed the range of 0 to 12VDC.
DO
NO
T
e
xc
ee
d
1
2VDC
on
a
n
y
o
f
t
h
e
a
n
a
l
og
s
i
g
n
a
l
A
p
i
n
s
or
TT
L
voltag
e
on
a
n
y
of
t
h
e
l
ogic
a
l
si
g
n
a
l
L
p
i
n
s
of
th
e
DB25
c
on
n
e
ct
or
.
Doing so will cause erratic behavior and may damage the power
supply under certain
conditions.
Figure 3.3
DB25 Pinout
Pin
Signal
I/O
Description
1
Enable
I
Open: Output is OFF
Short to ground: Output is ON