Analog Voltage Input Modules
FEATURES
• Wide Variety of Input Ranges
• 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)
73L-IV
73G-IV
CIRCUITRY: Voltage Output
G5
+
1
CURRENT
˜ SOURCE
–
R
X
FILTER &
BUFFER
I/O MODULE
PIN #
TWISTED
PAIR
INPUT
DEVICE
OpenLine
®
1
2
CH. A
A/D
CH. B
µP
1
2
+
–
ISOLATION
SIGNAL
CONDITIONING
AND
FILTER
CHANNEL A
5.23K
9 MODULE ID
2
AMP
8 RXD
7 TXD
10K
OPTICAL
ISOLATION
V
S
+5V
3
DC/DC
CONVERTER
V
S
SQUARE-
WAVE
OUTPUT
GROUND
10KΩ
4
5
V
S-
V/F
+
TWISTED
PAIR
INPUT
DEVICE
3
4
3
–
4
SIGNAL
CONDITIONING
AND
FILTER
CHANNEL B
Vs
ISOLATED
DC/DC
CONVERTER
6 Vcc
5 GND
Vs
–
TERMINAL
BLOCK #
SPECIFICATIONS: By Part Number
Type/Function
G5, OpenLine
®
Specifications
Number of Inputs
Resolution
Absolute Accuracy@25°C
1, 2
Accuracy Drift w/Temp.
2
Maximum Offset
Maximum Gain (0-60°C)
Serial Data Format
Serial Data Packet
Step Response Time
4
Input Resistance (Rx)
Input Voltage Range
Maximum Overload
Logic Voltage Range
Maximum 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
3
Storage Temperature
1
2
Grayhill Part Number
73G-IV1
Units
bits
µV/count
% of full scale
PPM/°C
PPM/°C
1 Ch., Diff.
12
244.1
+/- 0.1
+/- 50
+/- 55
12-bit packet
N/A
2.5
1
0-1
—
4.5-5.5
150
N/A
2500
2500
2500
—
0 to 60
-25 to 85
1 Ch., Diff.
12
1221
+/- 0.1
+/- 50
+/- 55
12-bit packet
N/A
2.5
1
0-5
—
4.5-5.5
150
N/A
2500
2500
2500
—
0 to 60
-25 to 85
1 Ch., Diff.
12
2441
+/- 0.1
+/- 50
+/- 55
12-bit packet
N/A
2.5
1
0-10
—
4.5-5.5
150
N/A
2500
2500
2500
—
0 to 60
-25 to 85
2 Ch., S.E.
12
244.1
0.075
+/- 35
+/- 75
Right Justified,
16-bit
115.2Kb,N,8,2
1.5
2.2
0-1
+/- 30
4.75-5.25
38
5.23
2500
2500
2500
None
-40 to 85
-55 to 100
2 Ch., S.E.
12
1221
0.075
+/- 25
+/- 75
Right Justified,
16-bit
115.2Kb,N,8,2
1.5
2.2
0-5
+/- 30
4.75-5.25
38
5.23
2500
2500
2500
None
-40 to 85
-55 to 100
2 Ch., S.E.
12
2441
0.075
+/- 25
+/- 75
Right Justified,
16-bit
115.2Kb,N,8,2
1.5
2.2
0-10
+/- 30
4.75-5.25
38
5.23
2500
2500
2500
None
-40 to 85
-55 to 100
73G-IV5
73G-IV10
73L-IV1
73L-IV5
73L-IV10
I/O Modules
mS
Mohm
Vdc
V
Vdc
mA/Ch.
KΩ
Vrms
Vrms
Vrms
°C
°C
Includes offset, gain, non-linearity and repeatability error terms.
Accuracy and drift graphs are available in Bulletin #753.
3
Start up temperature greater than -25°C.
I/O
27
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
GRAYHILL [ GRAYHILL, INC ]
