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Hunan Next Generation Instrumental T&C Tech. Co., Ltd.

NGI

N39200 Series

High-accuracy Dual-channel Programmable DC Power Supply



No output.

Table 22

Fault

Possible Causes

Solutions

There is no output after

switching on.

The

voltage/current

setting is zero.

Set

the

desired

voltage/current.

The voltage output stops

after transient output.

There is over voltage

protection (OVP).

Lower the output setting.



It is not allowed to set output voltage/current properly.

Table 23

Fault

Possible Causes

Solutions

The

output

voltage/current cannot be

set properly.

The set voltage/current is

higher

than

V-Limit

Max/I-Limit Max.

Set

the

desired

voltage/current.

The set voltage/current is

lower

than

V-Limit

Min/I-Limit Min.



Unstable output voltage.

Table 24

Fault

Possible Causes

Solutions

The output voltage are not

stable.

N39200

switching

between CV and CC.

Change the setting.

The output voltage is

wobbly.

The sense terminal is not

connected.

Connect

sense

terminal, by using the

4-pin green connector

supplied.



High output voltage ripple.

Table 25

Fault

Possible Causes

Solutions

The

ripple

high

sometimes.

The output voltage is out

of range.

Adjust the output voltage.

The ripple is high in

another

operation

environment.

There

strong

electromagnetic

interference nearby.

Stay away from the

interference.

Содержание N39200 Series

Страница 1: ...Ltd NGI l NGI N39200 Series High accuracy Dual channel Programmable DC Power Supply N39200 Series High accuracy Dual channel Programmable DC Power Supply User Manual Copyright Hunan Next Generation I...

Страница 2: ...5 4 PANEL INTRODUCTION 6 4 1 Front Panel Introduction 6 4 1 1 Screen 6 4 1 2 Button 7 4 1 3 Virtual Keyboard 8 4 2 Rear Panel Introduction 8 4 2 1 Channel Interface 9 4 2 2 Four wire Interface 9 4 2...

Страница 3: ...Parameter Setting 27 7 5 Channel 28 7 5 1 Channel Selection 29 7 5 2 Parameter Setting 30 7 5 3 CC CV Priority Setting 31 7 5 4 CV Priority Mode 34 7 6 System 35 7 6 1 IP Address Setting 36 7 6 2 Bau...

Страница 4: ...ions and maintains close ties with many industry leaders We strive to develop high quality technology leading products provide high end technologies and continue to explore new industry measurement an...

Страница 5: ...he fuse Ensure to have installed the fuse correctly Do not open the chassis The operator cannot open the instrument chassis Non professional operators are not allowed to maintain or adjust it Do not o...

Страница 6: ...el and remote control on a computer are supported N39200 can be widely used in lab test system integration test production aging line etc 3 1 1 Features Automatic switch between CV and CC mode High de...

Страница 7: ...0 2 60V 10A 200W N39240 60 20 2 60V 20A 400W N39260 60 20 2 60V 20A 600W N39220 150 04 2 150V 4A 200W N39240 150 08 2 150V 8A 400W N39260 150 08 2 150V 8A 600W 3 3 Appearance Dimension V I S e t E S C...

Страница 8: ...ng accessories are attached Table 3 N39200 Accessories Instructions Power cord and fuse For AC power connection 2 pins green connector For output connection 4 pins green connector For local and remote...

Страница 9: ...s displayed on the screen are as follows Table 6 Number Name Function 1 USB port USB cable connection 2 Power switch Power control 3 Screen Displaying data with touch function 4 Device name Displaying...

Страница 10: ...Buttons Table 7 Button Function V I S e t To set voltage and current M e n u To enter the main menu C H Channel switch for V I SEQ CH Config etc S E Q To enter SEQ mode P R O T C L R To clear the ala...

Страница 11: ...y 8 4 1 3 Virtual Keyboard N93200 is equipped with a virtual keypad on the screen for numeric input Figure 7 Virtual Keypad 4 2 Rear Panel Introduction 2 2 0 V A C 5 0 H z R S 2 3 2 L A N 1 L A N 2 S...

Страница 12: ...ires to avoid overheating which may cause danger 4 2 2 Four wire Interface Figure 9 Four wire Interface Table 9 Pin Definition Output For local sense internally connected to positive output terminal O...

Страница 13: ...se make sure the AC input voltage before supplying power Please ensure that the AC input voltage supplied to N39200 should not be too low under high load conditions 4 2 6 Grounding Screw Hole The chas...

Страница 14: ...e power switch on the front panel If N39200 can not be switched on properly please check if the power cord is well connected and AC power supply is available Step Item Description 1 Inspection To insp...

Страница 15: ...ut Inspection Please follow the below steps to verify the basic current functions with a short on N39200 s output 1 Press the power switch on N39200 2 Make sure N39200 output is under OFF state It wil...

Страница 16: ...circuit current The greater shall prevail 2 The wire gauge should be selected properly to minimize the voltage drop on each wire and to prevent excessive output power consumption of the power supply w...

Страница 17: ...Load When using N39200 to supply power to inductive loads such as motors users can connect a diode across the output of N39200 since the inductive load will produce a voltage spike which is harmful to...

Страница 18: ...utput accuracy of the power supply In this case it is necessary to compensate for the voltage drop on the wire The remote sense wire is directly connected to the load from four wire interface on the r...

Страница 19: ...Please also make sure that the insulation level of the load wire is higher than or equal to the maximum output voltage of N39200 It is recommended to use remote sense when load regulation is very crit...

Страница 20: ...Hunan Next Generation Instrumental T C Tech Co Ltd NGI l NGI N39200 Series High accuracy Dual channel Programmable DC Power Supply 17 Figure 14 Remote Sense Wiring Diagram...

Страница 21: ...res Menu V I SEQ SEQ Edit Channel System 7 1 Menu After the device is switched on it will enter V I mode directly Users can enter Menu by pressing There are six options on the menu V I SEQ SEQ Edit Ch...

Страница 22: ...setting can be completed separately Readback value for dual channels will be displayed on the same interface Methods to enter V I mode Method 1 It will directly enter V I mode after power on Method 2...

Страница 23: ...he desired channel Method 3 Press to select Channel Press on Channel Press to select the desired channel Press Method 4 Rotate to select Channel Press on Channel Rotate to select the desired channel P...

Страница 24: ...Method 1 Touch the desired parameter on the screen and input the value via virtual keypad Method 2 Pres to select the desired parameter Press Press to move the cursor rotate to adjust the numeric Pre...

Страница 25: ...test etc SEQ operation logic It will output voltage and current according to the edited test steps When the dwell time single step delay time reaches it will switch to next step Figure 19 SEQ Output W...

Страница 26: ...select the desired channel under SEQ Method 1 Press C H directly on the front panel Method 2 Touch Channel on the screen and select the desired channel Method 3 Press to select Channel Press on Channe...

Страница 27: ...lection 7 3 2 Parameter Setting Methods to set File No under SEQ Method 1 Touch File No on the screen and input the desired file number via virtual keypad Method 2 Press to select File No Press Press...

Страница 28: ...ure 22 Parameter Setting 7 4 SEQ Edit N39200 series supports complex waveform output with up to 10 sequence files and Max 200 steps for all files Methods to enter SEQ Edit Method 1 Press first and the...

Страница 29: ...les for the file under edit CV Value To set voltage value for the step under edit Link Start Step To link to the desired step after the present step is completed Zero means no link File No To set the...

Страница 30: ...ink stop step to 5 and link cycle times to 1 The running sequence will be 1 1 2 3 4 5 2 3 4 5 7 4 1 Parameter Setting Methods to set parameters under SEQ Edit Method 1 Touch the desired parameter on t...

Страница 31: ...on the screen when N39200 is protected Please press P R O T C L R to clear the alarm Methods to enter Channel Method 1 Press first and then P R O T C L R on the front panel Method 2 Press Select Chann...

Страница 32: ...t the DUT Meanwhile alarm OPP will be displayed on the screen CV CC priority In general operation mode of power supply depends on the output voltage setting output current limit setting and load imped...

Страница 33: ...ction 7 5 2 Parameter Setting Methods to set OVP OCP OPP under Channel Method 1 Touch OVP OCP OPP on the screen and input the value via virtual keypad Method 2 Pres to select OVP OCP OPP Press Press t...

Страница 34: ...ng 7 5 3 CC CV Priority Setting Methods to select CC CV Priority under Channel Method 1 Touch CC CV Priority on the screen and select the desired mode Method 2 Press to select CC CV Priority Press on...

Страница 35: ...default The supply will adjust the voltage to remain constant until the load consumes enough current to reach the set current value Once the supplied current reaches the set current the power supply w...

Страница 36: ...cess the voltage is always regulated with fast rise time and minimum overshoot performance When supplying power to high impedance loads under CV priority mode the power supply will always remain in CV...

Страница 37: ...rrent to 0A The current will continue to rise During this process the current is always regulated with fast current rise time and minimum overshoot Rush When supplying power to low impedance loads und...

Страница 38: ...Instrumental T C Tech Co Ltd NGI l NGI N39200 Series High accuracy Dual channel Programmable DC Power Supply 35 Figure 31 CC Priority and High Impedance Load 7 6 System Steps to enter System Press Sel...

Страница 39: ...m Method 1 Touch IP Address on the screen and input the value via virtual keypad Method 2 Pres to select IP Address Press Press to move the cursor rotate to adjust the numeric Press Method 3 Rotate to...

Страница 40: ...ammable DC Power Supply 37 Figure 33 IP Address Setting 7 6 2 Baud Rate Beep and Language Setting Steps to select the desired Baud Rate Beep Language under System 1 Press or rotate to select Baud Rate...

Страница 41: ...Hunan Next Generation Instrumental T C Tech Co Ltd NGI l NGI N39200 Series High accuracy Dual channel Programmable DC Power Supply 38 Figure 34 Baud Rate Beep and Language Setting...

Страница 42: ...plied RS232 cable with both female ends COM for communication It is necessary to set baud rate and parity mode in RS232 communication The baud rate can be set to 4800 9600 19200 38400 115200 The parit...

Страница 43: ...LAN Port The default connection method of N39200 to the computer is via LAN port Ethernet cable is supplied as standard accessory Steps for Ethernet connection via LAN port 1 Check if N39200 is switc...

Страница 44: ...PC 2 Find Hardware Config 3 Select LAN for Communication Mode 4 Set IP address The IP should be consistent with IP of N39200 5 Press Detect to connect with N39200 After N39200 receives the correct co...

Страница 45: ...Hunan Next Generation Instrumental T C Tech Co Ltd NGI l NGI N39200 Series High accuracy Dual channel Programmable DC Power Supply 42 Figure 36 Remote Mode...

Страница 46: ...n Please do the following necessary inspection to eliminate the troubles which can save your maintenance and time cost If the troubles cannot be recovered please contact NGI The inspection steps are a...

Страница 47: ...arm up the device for half hour to ensure the measurement accuracy Table 17 Model N39220 6 0 10 N39240 6 0 20 N39260 6 0 20 N39220 15 0 04 N39240 15 0 08 N39260 15 0 08 Voltage 60V CH 150V CH Current...

Страница 48: ...m Readback Resolution 1mA 0 1mA Readback Accuracy 23 5 0 1 0 1 F S Readback Temperatur e Coefficient 0 40 50ppm Output Noise Ripple 20Hz 20MHz Voltage Ripple 150mVp p 200mVp p 10mVrms 15mVrms Line Reg...

Страница 49: ...hout notice 11 Appendix 11 1 Protection and Error Alarm Description Table 18 Alarm Description OVP Over voltage protection OCP Over current protection OPP Over power protection OTP Over temperature pr...

Страница 50: ...t A 14 2 08 20 20 20 20 12 3 31 25 25 30 30 10 5 26 30 35 40 40 8 8 36 40 50 55 55 6 13 3 55 65 70 75 4 21 1 70 85 95 95 3 26 7 85 100 110 110 2 33 6 95 115 125 130 1 42 4 110 130 145 150 0 53 5 125 1...

Страница 51: ...rly The set voltage current is higher than V Limit Max I Limit Max Set the desired voltage current The set voltage current is lower than V Limit Min I Limit Min Unstable output voltage Table 24 Fault...

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