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73G-ITCJ Datasheet, PDF (1/2 Pages) Grayhill, Inc – Thermocouple Input Modules
Thermocouple Input Modules
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
G5
THERMO-
COUPLE
+5V
SQUARE-
WAVE
OUTPUT
GROUND
T
COLD
REFERENCE
T
AMP
1 N/C
2 N/C
V/F
3
DC/DC
CONVERTER
VS
VS-
VS
10KΩ
4
5
73L-IT
73G-IT
G5: Connector
Wiring
+–
+–
MODULE
OMEGA
CONNECTOR
TYPE SMP
INCLUDED
Thermocouple Wire Colors
Type
+
–
J
White
Red
K
Yellow
Red
T
Blue
Red
R
Black
Red
OpenLine®
I/O MODULE
PIN #
NC 1 1
CH. A
–+
CH. B
–+
SIGNAL
CONDITIONING
NC 2 2
NC 3 3
NC 4 4
TERMINAL
BLOCK #
COLD
JUNCTION
TEMP.
COMP.
SIGNAL
CONDITIONING
COLD
JUNCTION
TEMP.
COMP.
A/P
µP
Vs
Vs–
OPTICAL
ISOLATION
ISOLATED
DC/DC
CONVERTER
OpenLine®:
Connector Wiring
5.23K
9 MODULE ID
8 RXD
7 TXD
10K
6 Vcc
5 GND
+–
+–
MODULE
OMEGA
CONNECTOR
TYPE SMP
INCLUDED
Thermocouple Wire Colors
Type
+
–
J
White
Red
K
Yellow
Red
T
Blue
Red
R
Black
Red
I/O
32
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com