38
User’s Manual
PMX_MULTI
Basic Functions | Protection Functions and Alarms
Setting and displaying the protection functions
Overvoltage protection (OVP)
Overvoltage protection (OVP) is activated when the output terminal voltage exceeds the set voltage (OVP
trip point).
Immediately after you purchase the PMX or immediately after a load is changed, set the OVP trip point to
a value that is appropriate for the load.
Setting the OVP trip point
OVP operates on the output terminal voltage. If you want to activate the protection feature according to the
voltage across the load, take the voltage drop in the load cable into consideration when you set the OVP
trip point.
1
Press OVP•OCP.
The display area shows “OVP•OCP”, and the voltmeter displays the present OVP trip point.
2
Press SELECT to select the channel you want to configure.
The selected channel is indicated with brackets.
3
Turn the VOLTAGE knob to set the OVP trip point.
OVP setting range: 10 % to 110 % of the rated output voltage
4
To set other channels, repeat steps step 2 and step 3.
5
Press OVP•OCP, LOCK, or SET to finish the configuration.
The OVP trip point will be set. The “OVP•OCP” indicator will disappear from the display area.
If you pressed OVP•OCP or LOCK, the measurement display appears. If you pressed SET, the set-
ting display appears.
This completes the setting.
CH1
CH2
CH3
CH4
PMX32-3DU
3.2 V to 35.2 V
3.2 V to 35.2 V
−
−
PMX32-3TR
3.2 V to 35.2 V
3.2 V to 35.2 V
0.6 V to 6.6 V
−
PMX32-2QU
3.2 V to 35.2 V
3.2 V to 35.2 V
1.8 V to 19.8 V
1.8 V to 19.8 V
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
%
%
OVP
Trip point
OVP trip point indication
