Re Mote Shutdown; Master / Slave Series Op Er A Tion; Master / Slave Par Al Lel Op Er A Tion - Delta Elektronika SM 15-100 Product Manual

SM1500
type meant for pro tect ing semi con duc tors (see ta ble 4
- 2).
The unit has a re verse di ode in par al lel with the out put,
this di ode and the wir ing can not with stand the thou -
sands of am peres sup plied by a wrongly con nected
bat tery.

RE MOTE SHUTDOWN

13)
The Re mote ShutDown can be op er ated on CON E by
•
a
volt age of +4 V...+12 V or by a re lay con tact be tween
Vref and Re mote Shut Down (pin 9 and 5) (see fig.
4 - 9).
When the unit is pro grammed with an op tional PSC, a
•
soft ware com mand can be used for Re mote
ShutDown.
In the Re mote ShutDown con di tion, the RSD LED will
•
light.
The DCF LED, DCF sta tus and the DCF re lay will be
off.
Im por tant: If the link from the In ter lock con nec tor (CON
A) has been re moved, the RSD LED will be on, but in
this
con di tion also the DCF LED, the DCF sta tus and the
DCF re lay will be on.

MASTER / SLAVE SERIES OP ER A TION

14)
Con nect out put ter mi nals and test sys tem in
•
nor mal se ries op er a tion. En sure that all (out put)
power con nec tions are re li able.
The volt age drop in the con nect ing leads be tween the
•
units should be kept < 10 mV.
Switch off all units. Con nect units as shown in fig. 4 -
•
10.
On all units set switch SW1-4 in po si tion OFF to set the
units in M/S se ries mode (see page 3-4).
Warn ing: never con nect CON C to CON C !
•
This can dam age the units.
Use stan dard UTP ca bles (RJ45) to con nect the slaves
•
with the mas ter via CON B and CON C.
Af ter turn ing the units on again, the slaves will be in Re -
•
mote CV mode and the Keylock, see pre vi ous para -
graph 5) is ac ti vated. This is be cause the unit
au to mat i cally de tects the pres ence of the RJ45 con -
nec tor in CON C (if this ca ble is con nected to an other
unit).
If the RJ45 con nec tor is re moved from CON C when
the unit is turned on, the out put will shut down to avoid
ac ci den tal dam age.
If the ca ble is in serted when the unit is turned on, the
out put shuts down, the unit changes to Re mote CV /
CC, the Key lock will be ac ti vated and the out put will
turn back on.
If DIP switch 4 of SW1 is op er ated when the unit is
turned on, the out put will shut down to avoid ac ci den tal
dam age.
The max. num ber of slaves is only lim ited by the max.
•
to tal volt age of 600 V.

MASTER / SLAVE PAR AL LEL OP ER A TION

15)
Note: Mas ter / Slave par al lel is not rec om mended
•
for more than 3 units, con sult fac tory for us ing
more than 3 power sup plies in par al lel.
First, con nect out put ter mi nals and test sys tem in
•
nor mal par al lel op er a tion. En sure that all power
con nec tions are re li able.
Sec ond, switch off all units. To con nect the slaves with
•
the mas ter via CON B and CON C, use stan dard RJ45
con nec tors ac cord ing to fig. 4 - 11.
On all units put DIP switch 4 of SW1 in po si tion ON to
set the units in M/S par al lel mode. In this mode the
DCF LED, DCF re lay and DCF sta tus on the slaves are
rev. August 2018
Mas ter / Slave par al lel connections
Mas ter / Slave mixed se ries - par al lel connections
DELTA ELEKTRONIKA B.V.
INSTALLATION
fig. 4 - 11
fig. 4 - 12
Page 4 - 4