Delta 16 SM600 Datasheet download pdf (Page 8)

DELTA ELEKTRONIKA BV SM6000

Page 3 - 2 DESCRIPTIONS July 2003, rev. March 2012

fig. 3 - 4

Pro gram ming in puts (in ter nal cir cuit)

9) AN A LOG PRO GRAMMING

The out put volt age and cur rent can be pro grammed by an ex ter nal an a log

volt age. This pro gram ming is very ac cu rate and lin ear. The lev els are all

stan dard ized on 5 V.

Stan dard the SM300-20 and SM600-10 are equipped with the ISO-AMP,

see next paragraph.

For the other units, the in puts have a pro tec tion cir cuit formed by a se ries

re sis tor and a par al lel zener (see fig. 3 - 4). The ca pac i tor lim its the speed

to a safe value. Note that the an a log in puts (and out puts) are not float -

ing, but the com mon is con nected to the neg a tive out put ter mi nal.

Wrong con nec tion of Ø can cause earth loops which can trip the fuse. Af -

ter re mov ing the fault, the fuse will re set (PTC-fuse). For iso lated pro -

gram ming see next para graph.

10) ISO LATED AN A LOG PRO GRAMMING

To pre vent earth loops which can cause pro gram ming er rors, use an iso -

lated pro gram ming source. If this is not pos si ble, use the op tional ISO

AMP CARD (δ-prod uct) which can be built in side the unit.

With the ISO AMP CARD earth loops be tween the unit and the pro gram -

ming source are prevented.

11) ETH / IEEE488 / RS232 / CAN / PROFI PRO GRAM MING

The Delta Elektronika PSC-ETH, PSC-488, PSC-232, PSC CAN and

PSC PROFI con trol lers can be fac tory in stalled in side the unit.

Volt age and cur rent can eas ily be pro grammed and read back. Also all

the sta tus out puts can be read by the com puter.

12) MON I TORING OUT PUTS

The mon i tor out puts give a volt age 0 - 5 V pro por tional to the out put cur -

rent or volt age. The out put cur rent can eas ily be mea sured us ing the

I-mon i tor (see fig. 3 - 6). The mon i tor out puts are buf fered with op-amp’s

and pro tected with se ries re sis tors and par al lel zeners (see fig. 3 - 7). The

ta ble in fig. 3 - 5 shows the im ped ance lev els of the mon i tor ing out puts.

For us ing Imon on a pul sat ing load, see para graph 20) of this chap ter.

13) +12 V ON PRO GRAMMING CON NEC TOR

The +12 V on the pro gram ming con nec tor can be used to sup ply ex ter nal

circuits. The out put is cur rent lim ited, but should not be over loaded. The

fuse F27_3 on P598 could blow. The fuse F27_3 also pro tects the in ter nal

cir cuit, in case an ex ter nal high volt age is ap plied by ac ci dent. Note: this

fuse is a spe cial 600 V type, al ways re place with the same type.

14) STATUS OUT PUTS

All the sta tus out puts are logic out puts. Logic "0" means the out put is 0 V,

logic "1" means the out put is 5 V (Ro = 500 Ohm). This makes it pos si ble

to drive di rectly: an opto-coupler, a TTL gate or a CMOS gate.

The Limit Sta tus or LIM-status is "1" in case the out put volt age or cur rent

reaches the limit set ting. Which limit cir cuit is ac tive can be seen on the

front panel LED’s.

The Over Tem per a ture Sta tus or OT sta tus is "1" in case of an over tem -

per a ture, the OT LED will be on and the out put shuts down. As a

pre-warning the OT LED starts to blink when the unit runs hot but the sit u -

a tion of over tem per a ture is not reached yet. The sta tus will still be low

when the LED is blink ing.

fig. 3 - 5

Con nec tions AN A LOG PROG. CONNECTOR

pin De scrip tion, see par.12)...17) for details

1 Ø, re turn of ref er ence, prog. in puts and

mon i tor out puts (Ro = 1.2 Ohm).

2 cur rent mon i tor out put 0 - 5 V

(Ro = 1.2 Ohm, Io max = 4 mA)

3 cur rent pro gram ming in put (0 - 5 V),

Ri = 8 MOhm

4 CC sta tus out put, logic 1 = CC mode

(5 V / 500 Ohm)

5 Re mote ShutDown (4 - 12 V),

Ri = 5 kOhm

6 PSOL sta tus out put, logic 1 = PSOL

(5 V / 500 Ohm)

7 +12 V out put

(Ro = 3 Ohm, Io max = 0.2 A)

8 Ø, re turn of sta tus out puts, +12 V

and Remote ShutDown

9 ref er ence volt age 5.1 V

(Ro = 1.2 Ohm, Io max = 4 mA)

10 volt age mon i tor out put 0 - 5 V

Ro = 1.2 Ohm, Io max = 4 mA)

11 volt age pro gram ming in put (0 - 5 V)

Ri = 8 MOhm

12 OT - sta tus out put, logic 1 = OT

(5 V / 500 Ohm)

13 LIM - sta tus out put, logic 1 = LIM

(5 V / 500 Ohm)

14 DCF - sta tus out put, logic 1 = DCF

(5 V / 500 Ohm)

15 ACF - sta tus out put, logic 1 = ACF

(5 V / 500 Ohm)

fig. 3 - 6

Ex ter nal me ters

us ing mon i tor out puts

fig. 3 - 7

Buf fered mon i tor out puts

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 22 23

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Delta 16 SM600 Datasheet Page 8

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