Watlow Series V4 Manual do Utilizador descarregar pdf (Página 10)

Output 1 Wiring

Figure 10a – Switched DC, Open Collector

V4T _ - C _ _ _ - _ _ _ _

Figure 10b – 4-20mA Process

V4T _ - F _ _ _ - _ _ _ _

Maximum load impedance: 800Ω

18

17

16

15

14

13

External

Load

-

+

4

5

6

18

17

16

15

14

13

8

7

OFF

1 2

16

unregulated

V+

V—

18

Internal Circuitry

18

17

16

15

14

13

External

Load

-

+

4

5

6

18

17

16

15

14

13

8

7

OFF

1 2

NOTE:

When an external

device with a non-

isolated circuit com-

mon is connected to

the 4-20mA or dc out-

put, you must use an

isolated or unground-

ed thermocouple.

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