Delta Elektronika SM 120-25 D Скачать руководство пользователя страница 15

DELTA ELEKTRONIKA BV

SM3000

Page 4 - 4

OPERATING  MAINTENANCE  TROUBLE SHOOTING  CALIBRATING

1991, rev. May 2008

11)

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

Master / Slave op eration is not rec ommended.

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 bination with the load.

12)

MASTER / SLAVE MIXED SERIES / PAR ALLEL
OP ER A TION

For complex com binations as mixed se ries - parallel al ways
use the 

MASTER / SLAVE SERIES ADAPTER

(

δ

-prod uct)

.

See fig. 4 - 14 for an ex ample of how to connect 2 units in se -
ries in par allel with 2 units in se ries, controlled by 1 mas ter.

On the parallel slave1, fully open the CV-potmeter.

Note: A Mas 

ter / Slave combination 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

Master / Slave parallel connections

fig. 4 - 14

Master / Slave mixed series - parallel connections with

two

MASTER / SLAVE SERIES ADAPTERS

Содержание SM 120-25 D

Страница 1: ...5 200D SM 30 100D SM 45 70D SM 70 45D SM 120 25D SM 300 10D SM 3000 series Elso Philips Service Jilemnick ho 2 911 01 Tren n tel 421 32 6582410 7431690 fax 421 32 6582592 email elso elso sk web www el...

Страница 2: ...he protective earth terminal must be connected to the safety electrical ground before another connection is made Any interruption of the protective ground conductor or disconnection of the protective...

Страница 3: ...l Shock Instruction manual symbol The instrument will be marked with this symbol when it is necessary for the user to refer to the instruction manual Protective ground conductor terminal o Off supply...

Страница 4: ...r cuit 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 9...

Страница 5: ...lways use a shielded ca ble for 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 t...

Страница 6: ...h 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: ...ecommended 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 fea...

Страница 10: ...re 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 will...

Страница 11: ...TER 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 switc...

Страница 12: ...recom 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...

Страница 13: ...put terminals 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...

Страница 14: ...ecommended 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 con...

Страница 15: ...PERATION 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...

Страница 16: ...supply 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...

Страница 17: ...current 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 programmi...

Страница 18: ...not try 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 sho...

Страница 19: ...put with exactly 5 00 V Set output voltage to a low value en suring the power supply is in CC mode Measure the output current with an ac curate shunt Calibrate the current with R686 exactly on the rat...

Страница 20: ...l Journal of the European Communities EN 61204 3 EMC low voltage power supplies EN 61000 6 3 Generic Emissions residential light industrial EN 55022 Radiated and conducted Class B EN 61000 3 3 Voltage...

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