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2

WT

+

-

PS

+

-

-

AC

/

DC

PS

+

-

3

WT

+

Out

4

WT

+

-

V

+

-

Voltage

/

Thermocouple input

IC

695

ALG

600

+

-

Sense

+

Sense

-

Excitation

RTD Return

2

wire current

transducer

3

wire current

transducer

4

wire current

transducer

2

wire RTD

or resistor

3

or

4

wire RTD

or resistor

Note

:

For

4

wire RTDs

,

leave one of the

negative sense leads off

.

For

3

wire RTDs

,

IN

+ =

Sense

+

,

IN

- =

RTD Return

,

and EXC

+ =

Excitation

current

.

For

2

wire RTDs

,

tie EXC

+

and IN

+

together at the terminal block

.

Note

:

For current inputs

,

tie the Return

to the associated IN

-

pin

.

EXC

+

This module doesn

'

t provide loop power for

2

Wire Current Transducers

.