Watlow Series 93 Manual de usuario descargar pdf (Pagina 13)

Watlow Series 93 Install and Wire ■ 2.7

Figure 2.7a – Switched DC

93_ _- 1 C _ _- 00 _ _

Figure 2.7b – 4-20mA Process

93_ _- 1 F_ _- 00 _ _

Maximum load impedance: 800Ω

External

Load

10

9

-

+

10

unregulated

V+

V—

9

Internal Circuitry

7 to 10V (dc)

94Ω

External

Load

10

9

-

+

Install and Wire

NOTE:

Successful installa-

tion requires four

steps:

• Choose the con-

troller’s hardware

configuration and

model number

(Appendix);

• Choose a sensor

(Chapter Two and

Appendix);

• Install and wire

the controller

(Chapter Two);

• Configure the

controller (Chapters

Three, Four and

Five).

NOTE:

When an external

device with a non-

isolated circuit com-

mon is connected to

the 4-20mA or dc

output, you must use

an isolated or un-

grounded thermo-

couple.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 51 52

Comentarios a estos manuales

Sin comentarios