Delta Elektronika SM120-25D Скачать руководство пользователя страница 15

OPERATING - TROUBLE SHOOTING - CALIBRATING

SM3000

Page 4 - 4

DELTA ELEKTRONIKA B.V.

rev. February 2018

11)

PAR AL LEL  OP ER A TION  OF  FAST  PRO -
GRAMMING VER SIONS:

Mas ter / Slave op er a tion is not rec om mended.

Nor mal  par al lel  op er a tion  can  give  prob lems,  each  com bi na -
tion has to be tested first in com bi na tion with the load.

12)

MASTER / SLAVE MIXED SERIES / PAR AL LEL
OP ER A TION

For com plex com bi na tions as mixed se ries - par al lel al ways
use the 

MASTER / SLAVE SERIES ADAPTER

 

(

δ

-prod uct)

.

See fig. 4 - 14 for an ex am ple of how to con nect 2 units in se -
ries in par al lel with 2 units in se ries, con trolled by 1 mas ter.

On the par al lel slave1, fully open the CV-potmeter. 

Note: A Mas 

ter / Slave com 

bi 

na 

tion can al 

ways be pro 

-

grammed, also with the 

IEEE488 / RS232

  con trol ler

(

PSC-488 mod ule / PSC-232

 

(both 

δ

-prod ucts)

).

fig.  4 - 13

Mas ter / Slave par al lel connections

fig. 4 - 14

Mas ter / Slave mixed se ries - par al lel con nec tions with

two 

MAS TER / SLAVE SE RIES ADAPT ERS

Содержание SM120-25D

Страница 1: ...rlands www DeltaPowerSupplies com Tel 31 111 413656 SM3000 series PRODUCT MANUAL Contents 1 Datasheet 2 Safety Instructions 3 Descriptions 4 Operating Trouble Shooting Calibration 5 EC Declaration of...

Страница 2: ...ution 3 When programming a high voltage unit directly via a PC or via a network connection either ground the negative power output or use a safety isolated interface For more information and schematic...

Страница 3: ...d separately to recycle it responsibly to promote the sustainable reuse of material resources 11 Removal of safety covers Safety cover s are used to cover potentially hazardous voltages Observe the fo...

Страница 4: ...2 INPUT VOLTAGE The power supplies have a wide input volt age range The units need a 3 phase input voltage but no neutral connection is required The units can also operate on one phase but at 90 of t...

Страница 5: ...programming The inputs have a protection circuit formed by a series resistor and a parallel zener see fig 3 7 The capacitor limits the speed to a safe value Note that the analog inputs and outputs ar...

Страница 6: ...gh 13 PROGRAMMING SPEED The response time is measured with a step waveform at the CV prog input Programming from a low to a high output voltage is nearly load independent but programming down to a low...

Страница 7: ...gh energy pulse of about 300 V If there is an electrical connection between the output and the input through the oscilloscope you will get a false reading The suppression for the SM120 25D is lower bu...

Страница 8: ...tch shuts down the output in case of insufficient cooling After cooling down the unit will start working again The thermal protection circuit protects 2 parts separately in the unit the switching tran...

Страница 9: ...recommended for more than 3 units or in combination with Fast Programming option Consult factory for a solution 29 REMOTE SENSING The voltage at the load can be kept constant by remote sensing This fe...

Страница 10: ...ure and full load the fan will run at a very low speed The fan does not operate on no load Normally at 50 C ambient and full load the fan will not work at full speed Since the fan is over rated it wil...

Страница 11: ...ITER circuit so no large inrush cur rent will flow As soon as the voltage is sufficiently high the power supply starts working and the series resistor is bypassed by a relay contact The operating swit...

Страница 12: ...mended to set the OVP on 24 3 27 V Check that the cooling of the unit is not obstructed 2 ANALOG PROGRAMMING Put the appropriate switch es in the position PROGRAM Connect the programming voltage sour...

Страница 13: ...erminals so the OVP setting should be increased by the total voltage drop in the load leads 7 BATTERY CHARGER The CV CC regulated power supplies are ideal battery charg ers Once the output is set at t...

Страница 14: ...ended for more than 4 units consult factory for using more than 4 power supplies in parallel First connect output terminals and test system in normal paral lel operation Ensure that all power connecti...

Страница 15: ...ON For complex combinations as mixed series parallel always use the MASTER SLAVE SERIES ADAPTER product See fig 4 14 for an example of how to connect 2 units in se ries in parallel with 2 units in ser...

Страница 16: ...ly to dry before switching it on again 3 GALVANIC INDUSTRY For using the power supplies in the galvanic industry it is strongly recommended to take precautions against an aggressive environ ment An ag...

Страница 17: ...nt is flowing through pin 1 of the prog connector Please check why current is flowing through pin 1 see also next paragraph 4 and fig 4 17 4 PROGRAMMING OFFSETS Unwanted offsets in the programming can...

Страница 18: ...ry to re pair P430 except for D400 D401 F400 and F401 but send P430 for repair or ask for replacement 10 CHECK POINTS IN CASE OF A SERIOUS FAILURE Check output diodes Defective diodes give a short SM...

Страница 19: ...h exactly 5 00 V Set output voltage to a low value ensuring the power supply is in CC mode Measure the output current with an accurate shunt Cali brate the current with R686 exactly on the rated max c...

Страница 20: ...al EN 55022 Radiated and conducted Class B EN 61000 3 3 Voltage fluctuation and flicker EN 61000 6 1 Generic Immunity residential light industrial EN 61000 6 2 Generic Immunity industrial environment...

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