Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois

60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

FEATURES

• Wide Variety of Input Types

• Standard Package and Pin-out

• Single 5V Power Supply

• 12-Bit Resolution

• Optical Isolation from Input to

Output

• Cold Junction Temperature

Compensated Connector Included

• Intermix With G5 Digital Modules

on the Same Rack

• Meets the Requirements of IEEE

472

• UL, CSA, CE Certified (OpenLine only)

CIRCUITRY

Thermocouple Wire Colors

Type

+

–

J

White

Red

K

Yellow

Red

T

Blue

Red

R

Black

Red

+5V

1

2

3

4

5

GROUND

AMP

V/F

DC/DC

CONVERTER

THERMO-

COUPLE

T

T

N/C

N/C

COLD

REFERENCE

SQUARE-

WAVE

OUTPUT

10K

Ω

–

+

–

+

OMEGA

CONNECTOR

TYPE SMP

INCLUDED

MODULE

Thermocouple Input Modules

G5

G5: Connector

Wiring

Thermocouple Wire Colors

Type

+

–

J

White

Red

K

Yellow

Red

T

Blue

Red

R

Black

Red

–

+

–

+

OMEGA

CONNECTOR

TYPE SMP

INCLUDED

MODULE

Connector Wiring

SIGNAL

CONDITIONING

COLD

JUNCTION

TEMP.

COMP.

SIGNAL

CONDITIONING

COLD

JUNCTION

TEMP.

COMP.

A/P

µP

OPTICAL

ISOLATION

ISOLATED

DC/DC

CONVERTER

CH. A

–

+

CH. B

–

+

Vs

Vs

–

10K

5.23K

I/O MODULE

PIN #

TERMINAL

BLOCK #

NC

NC

NC

NC

9

8

7

6

5

1

2

3

4

4

3

2

1

MODULE ID

RXD

TXD

Vcc

GND

73L-IT

73G-IT

I/O

32