Watlow Series 922 Retrofit Manual de usuario descargar pdf (Pagina 38)

WATLOW Series 922 User's Manual How to Install and Wire, Chapter 4

Figure 19 -

Input Option

"3", "A", or "B"

T/C and Process,

Wiring Diagram.

Chart

Recorder

(Optional)

Retransmit Common

Retransmit Output

Process

Input Option "3", Terminals 1 - 8

Model # 922A - 3 _ _ 0 - _ 000

Model # 922A - A _ _ 0 - _ 000

Model # 922A - B _ _ 0 - _ 000

Input Options "2" & "7", Terminals 1 - 8

Model # 922A - 2 _ _ 0 - _ 000 &

Model # 922A - 7 _ _ 0 - _ 000

0 - 5V, 4 - 20mA input

Channel 1

Channel 2

Figure 18 -

Input Options

"2" & "7",

RTD/Process,

Wiring Diagram.

NOTE: For a two-

wire RTD - Channel

1:Use Terminals 6

and 7 for RTD, and

jumper Terminal 8 to

Terminal 7.

Wire Input

NOTE:

Jumper

terminal 4 to 5 only

when using 4-20mA

input.

Process

Channel 1

Process

Retransmit Output

Retransmit Common

Chart

Recorder

(Optional)

T/C -

T/C +

Channel 2

0 - 5V, 4 - 20mA input

RTD

Input Impedance:

4-20mA = 250

0-5V = 100K

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 126 127

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Watlow Series 922 Retrofit Manual de usuario Pagina 38

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