DELTA ELEKTRONIKA BV SM1540-D SM7020-D SM3004-D
Page 4 - 4 OPERATING MAINTENANCE TROUBLE SHOOTING CALIBRATING 1989 rev. May 2008
If not re moved the current sharing will not be pro portional.
Both prog. switches of the slaves should be in the po sition
PRO GRAM.
• The pur pose of the link be tween pin 9 and 11 is to set the volt -
age limit of the slaves at max imum.
• an ex tra link on the slaves (be tween pin 6 and 8) is needed for
the AUTORANGING fea ture.
• Keep the load close to the master. Keep wir ing be tween mas -
ter and slaves short. The voltage drop be tween a unit and the
buss bar should be kept < 10 mV.
• Accidental in terruption of a neg ative load lead of a unit dur ing
op er a tion will cause fuse F600 to blow, see sec tion ‘trouble
shoot ing’.
• The S- and S+ could be connected to the load if de sired, but
this is not rec ommended be cause of the com plexity.
11)
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 mod ule
(both δ-prod ucts)).
fig. 4 - 13
Master / Slave parallel connections
fig. 4 - 14
Master / Slave mixed series - parallel connections with
two M / S SERIES ADAPTERS
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