GRAYHILL 73L

RTD Input Modules
FEATURES
• Standard Package and Pin-out
• Single 5V Power Supply
• 12-Bit Resolution
• Optical Isolation from Input to
Output
• Intermix With Digital Modules on
the Same Rack
• Meets the Requirements of
IEEE 472
• UL, CSA, CE Certified (OpenLine only)
• OpenLine® has 2-wire, 3-wire and
4-wire versions
73L-ITR3100 (4100)
73L-ITR100
73G-ITR
CIRCUITRY
G5
G5: Connector
Wiring
T
RTD
T
2 WIRE RTD
3 WIRE RTD
BLACK
BLACK
SIGNAL
CONDITIONING
BLACK
AMP
T
BLACK
RED
+5V
1
N/C
2
N/C
3
SQUAREWAVE
OUTPUT
4
GROUND
5
4 WIRE RTD
BLACK
+
–
DC/DC
CONVERTER
VS
RED
G
+
–
V/F
VS-
RED
G
OMEGA
CONNECTOR
TYPE MTP
MALE AND
FEMALE
(INCLUDED)
VS
10KΩ
BLACK
RED
G
OMEGA
CONNECTOR
TYPE MTP
MALE AND
FEMALE
(INCLUDED)
73G-ITR100
73G-ITR100
OMEGA
CONNECTOR
TYPE MTP
MALE AND
FEMALE
(INCLUDED)
73G-ITR100
I/O Modules
OpenLine®: 2 Wire RTD
2.5V
I/O MODULE
PIN #
5.23K
4.53K
1
1
2
2
SIGNAL
CONDITIONING
AND
FILTER
9 MODULE ID
CHANNEL A
8 RXD
–
CH. A
A/D
CH. B
µP
2.5V
4.53K
3
4
3
+
SIGNAL
CONDITIONING
AND
FILTER
4
OPTICAL
ISOLATION
ISOLATION
+
Vs
CHANNEL B
–
Vs
ISOLATED
DC/DC
CONVERTER
7 TXD
10K
6 Vcc
5 GND
TERMINAL
BLOCK #
I/O
34
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
RTD Input Modules
CIRCUITRY
OpenLine®: 3 or 4 Wire RTD
Circuits connected on 3-wire version
B4 B3
–
B2 B1 A4 A3
+
A2
–
A1
100µA
5V
+
5.23K
SIGNAL
CONDITIONING
AND
FILTER
CH. A
A/D
CH. B
100µA
1
5V
NC 2
2
NC 3
3
NC 4
4
SIGNAL
CONDITIONING
AND
FILTER
8
TXD
7
RXD
6
Vcc
5
GND
OPTICAL
ISOLATION
µP
ISOLATION
NC 1
9 MODULE ID
CHANNEL A
CHANNEL B Vs
10K
ISOLATED
DC/DC
CONVERTER
–
Vs
OpenLine®: Connector Wiring
3 WIRE RTD
PHOENIX CONTACT
G
CONNECTOR
(INCLUDED)
A4
+
–
B4
A3
B3
A2
B2
4 WIRE RTD
NC
A1
B1
73L-ITR3100
G
A4
+
–
B4
A3
B3
A2
S
B2
A1
B1
73L-ITR4100
SPECIFICATIONS: By Part Number
Type/Function
Grayhill Part Number
®
G5, OpenLine
Specifications
Number of Inputs
Resolution
73L-ITR100
73L-ITR3100/73L-ITR4100
1 Ch.
12
0.10
+/- 0.8
DIN 43760 standard
0.00385 (European)
12-bit packet
—
2.5
-50-350 (-58-662)
100 ohm platinum
—
4.5-5.5
150
N/A
2 Ch.
12
0.098
+/- 0.3
DIN 43760 standard
0.00385 (European)
Right Justified, 16-bit
115.2Kb, N, 8, 2
42
-50-350 (-58-662)
100 ohm platinum
+/- 6
4.75-5.25
38
5.23
2 Ch.
12
0.098
+/- 0.3
DIN 43760 standard
0.00385 (European)
Right Justified, 16-bit
115.2Kb, N, 8, 2
42
-50-350 (-58-662)
100 ohm platinum
+/- 6
4.75-5.25
38
5.23
Vrms
Vrms
Vrms
2500
2500
2500
—
2500
2500
2500
None
2500
2500
2500
None
°C
°C
0 to +60°C
-40 to +85°C
-40 to +85°C
-55 to -100°C
-40 to +85°C
-55 to +100°C
Units
bits
°C/count
mS
°C (°F)
V
Vdc
mA/Ch.
KΩ
1
Includes offset, gain, non-linearity and repeatability error terms.
Accuracy and drift graphs are available in Bulletin #753.
3
Time required for output to change to within 1% of final reading.
2
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
I/O Modules
Absolute Accuracy @ 25°C1, 2
Full Range Deflection
Temperature Coefficient
Serial Data Format
Serial Data Packet
Step Response Time3
Input Temperature Range
RTD Type
Maximum Overload
Logic Voltage Range
Max. Logic Supply Current@5Vdc
Module ID (Pin 9)
Isolation Voltage
Field to Logic
Field to Power
Module to Module
Channel A to Channel B
Environmental Conditions
Operating Temperature
Storage Temperature
73G-ITR100
Available from your local Grayhill Distributor.
For prices and discounts, contact a local
Distributor, a local Sales Office or Grayhill.
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I/O
35