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2 Description of
the Operating
Elements
Front panel of the instrument HMP2030
(for the HMP2020, channel 3 is omitted)
POWER (key)
1
Power switch to switch the instrument on and off
Display (LCD): Parameter display
2
Arrow keys
(illuminated):
3
Setting the parameters
Knob: for setting and confirming the nominal values
4
CURRENT (key illuminated)
5
Regulating the current setting
VOLTAGE (key illuminated)
6
Regulating the output voltage
CH1 (key illuminated)
7
Option key channel 1
FUSE (key illuminated)
8
Electronic fuse adjustable for each channel
TRACK (key illuminated)
9
Activating the tracking function
CH2 (key illuminated)
10
Option key channel 2
RECALL (key illuminated)
11
Loading stored measuring instrument configurations
STORE (key illuminated)
12
Storing measuring instrument configurations
CH3 (key illuminated)
13
Option key channel 3 (not available for the HMP2020)
REMOTE / LOCAL (key illuminated)
14
Switching between keypad and external
control
MENU (key illuminated)
15
Accessing the menu options
1
2
17
18
19
Fig. 2.1: Front panel of the instrument HMP2020 / HMP2030
Rear Panel of the Instrument
Fig. 2.2: Rear panel of the instrument HMP2020 / HMP2030
18
18
20
Description of the Operating Elements
OUTPUT (key illuminated)
16
Selected channels may be switched on or off
Ground socket (4mm socket)
17
Reference potential connection (connected to protec-
tive earth)
SENSE (4mm safety sockets; 2 x per channel)
18
Compensating the line resistances
CH1 (4mm safety sockets)
19
Output channel 1; 0...32 V / 5 A
(HMP2020 0...32 V / 10 A)
CH2 (4mm safety sockets)
20
Output channel 2; 0...32 V / 5 A
CH3 (4mm safety sockets)
21
Output channel 3; 0...32 V / 5 A
(for the HMP2020, this channel is omitted)
Interface
22
HO720 dual interface USB/RS-232
(included in delivery)
OUTPUT (plug connections)
23
Rear panel outputs for easy integration into rack
systems
Voltage selector
24
Selecting the mains voltage 115 V or 230 V
Integral plug for a cooling unit with power fuses
25
22
23
3
4
5
7
6
18
18
24
25
8
10
11
13
14
16
9
12
15
21
18
29
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