Series Operation; Parallel Operation; Master/Slave Operation - Delta Elektronika SM 7-80 Instruction Manual

DELTA ELEKTRONIKA BV
SERIES OP ER A TION
29)
Se ries op er a tion is al lowed up to 600V to tal volt age. The power sup plies can
be con nected in se ries with out spe cial pre cau tions.
For eas ier con trol, Mas ter / Slave op er a tion is rec om mended (see fig. 3 - 18).
By us ing the Mas ter / Slave Se ries fea ture a dual track ing power sup ply can
be made with one unit as mas ter and one as slave.
For se ries op er a tion in com bi na tion with Power Sink op tion, all units must
have a Power Sink built in side oth er wise no power can be ab sorbed. Re fer to
Power Sink man ual for de tails and re stric tions.
PAR AL LEL OP ER A TION
30)
Par al leling of the units has no lim i ta tions. The power sup plies can be con -
nected in par al lel with out spe cial pre cau tions. For eas ier con trol, Mas ter /
Slave op er a tion is rec om mended (see fig. 3 - 19).
Nor mal par al lel op er a tion of Fast Pro gram ming units can give prob lems,
each com bi na tion has to be tested first, in com bi na tion with the load !
For par al lel op er a tion in com bi na tion with Power Sink op tion, only one unit
can have a Power Sink. Re fer to Power Sink man ual for de tails and re stric -
tions.
MASTER / SLAVE OP ER A TION
31)
The Mas ter / Slave fea ture makes it pos si ble to use the power sup plies as
build ing blocks to form one large unit (see fig. 3 - 18 and fig. 3 - 19).
Mixed par al lel - se ries op er a tion is also pos si ble, to a max i mum of 600V.
The re sult ing com bi na tion of units be haves like one power sup ply and can be
man u ally con trolled or pro grammed on the mas ter. Fig. 3 - 20 shows a com -
puter con trolled M / S par al lel com bi na tion.
Con nect the dif fer ent units with stan dard RJ45 ca bles (see fig. 3 - 21), us ing
CON B and CON C on the rear side. With dipswitch 4 of switch SW1 the Par -
al lel or Se ries mode can be se lected.
The slaves will fol low the mas ter. The re sult is true cur rent or volt age shar -
ing in the par al lel or se ries mode re spec tively.
Note: Mas ter / Slave par al lel op er a tion is not rec om mended for more
than 4 units or in com bi na tion with Fast Pro gram ming op tion.
Con sult fac tory for a so lu tion.
fig. 3 - 21
Use stan dard UTP ca bles (RJ45)
for Mas ter / Slave operation
Page 3 - 6 DESCRIPTIONS
fig. 3 - 19
Mas ter / Slave parallel operation
fig. 3 - 20
The Mas ter / Slave com bi na tion can also
be pro grammed with the in ter faces
PSC-ETH, PSC-488 or the PSC-232
SM800
October 2007