PMX_MULTI
User’s Manual
39
Basic Functions | Protection Functions and Alarms
Checking the OVP operation
1
Check that “ON” (green) is not shown in the display area.
2
Set the output voltage to a value lower than the OVP trip point.
3
Press OUTPUT to turn output on.
“ON” (green) appears in the display area.
4
Slowly turn the VOLTAGE knob clockwise until the OVP is activated.
When the output voltage exceeds the OVP trip point, an alarm will occur. “ALARM” (red) is dis-
played to indicate that OVP has been activated.
5
Check that output has turned off.
6
Press ALM CLR (SHIFT + SET) to clear the alarm.
If you do not change the output voltage and turn the output on, OVP will be activated again.
Overcurrent protection (OCP)
Overcurrent protection (OCP) is activated when the output current exceeds the set current (OCP trip
point).
Immediately after you purchase the product or immediately after a load is changed, set the OCP trip point
to a value that is appropriate for the load.
Setting the OCP trip point
1
Press OVP•OCP.
The display area shows “OVP•OCP”, and the ammeter displays the present OCP trip point.
2
Press SELECT to select the channel you want to configure.
The selected channel is indicated with brackets.
Alarm indication when OVP is activated
SELECT
OUTPUT
CH1
OUTPUT
ALL
CV
V
s
OFF
CC
A
s
ON
PRL
SER
TRACKING 12
LOCK
REMOTE
L AN
L AN
DEL AY
DEL AY SET
SET OVP
࣭
OCP
PRESET A B C
ALARM
%
%
OCP trip point indication
SELECT
OUTPUT
CH1
OUTPUT
ALL
CV
V
s
OFF
CC
A
s
ON
PRL
SER
TRACKING 12
LOCK
REMOTE
L AN
L AN
DEL AY
DEL AY SET
SET
OVP
࣭
OCP
PRESET A B C
ALARM
%
%
OCP
Trip point
