Analog Voltage and Current Output Modules
CIRCUITRY:CurrentOutput
®
G5
OpenLine
I/O MODULE
PIN #
Vs
Vcc
6
5
Vs
+
–
+
–
ISOLATED
DC/DC
CONVERTER
OUTPUT
DEVICE
1
2
1
2
1
GND
–
AMP
Vs
10KΩ
2
CHANNEL A
10K
D/A
5Ω
V
S
DC/DC
CONVERTER
+5V
3
TXD
RXD
7
8
V
S-
Vs
OPTICAL
ISOLATION
µP
D/A
+
–
OUTPUT
DEVICE
2KΩ
3
4
3
4
V
S
SERIAL
INPUT
DATA
4
5
BUFFER
5.23K
CHANNEL B
MODULE ID
9
TERMINAL
BLOCK #
GROUND
5Ω
SPECIFICATIONS: By Part Number
Type/Function
G5, OpenLine®
Grayhill Part Number
73G-OI420
73G-OI020
73L-OI420
73L-OI020
73L-OI024
Specifications
Units
Number of Outputs
Resolution
1 Ch., Diff.
1 Ch., Diff.
2 Ch., S.E.
2 Ch., S.E.
2 Ch., S.E.
bits
µA/count
12
3.9
12
4.9
12
3.9
12
4.9
12
5.9
Absolute Accuracy @ 25°C1
Accuracy Drift w/Temp.2
Maximum Offset
PPM/°C
PPM/°C
+/- 45
+/- 150
+/- 45
+/- 150
+/- 50
+/- 100
+/- 50
+/- 75
+/- 50
+/- 100
Maximum Gain (0 to 60°C)
Serial Data Format
12-bit packet
12-bit packet
Right Justified, Right Justified,
16-bit 16-bit
Right Justified,
16-bit
Serial Data Packet
Step Response Time
Max. Loop Resistance3
Output Current Range
Maximum Load
—
0.5
330
4-20
250
—
0.5
330
0-20
1000
115.2Kb, N, 8, 2 115.2Kb, N, 8, 2 115.2Kb, N, 8, 2
µS
Ohms
mA
500
500
4-20
500
500
0-20
500
500
0-24
Ω
Continuousshort Continuousshort
Continuousshort
circuit
circuit
circuit
Logic Voltage Range
Maximum Logic Supply Current
@ 5V dc
Vdc
4.5-5.5
4.5-5.5
140
4.75-5.25
4.75-5.25
4.75-5.25
mA/Ch.
140
Output @ min.
value
80
80
100
Output @ min.
value
Power Up Status
Output @ min. Output @ min. Output @ min.
value
Yes
N/A
value
Yes
5.23
value
Yes
5.23
Short Circuit Protection
Module ID (Pin 9)
Isolation Voltage
Yes
N/A
Yes
5.23
KΩ
Field to Logic
Field to Power
Module to Module
Channel A to Channel B
Environmental Conditions
Operating Temperature3, 4
Storage Temperature
Vrms
Vrms
Vrms
2500
2500
2500
N/A
2500
2500
2500
N/A
2500
2500
2500
None
2500
2500
2500
None
2500
2500
2500
None
°C
°C
0-60
-25-55
0-60
-25-55
-40-85
-40-100
-40-85
-40-100
-40-85
-40-100
1 Includes offset, gain, non-linearity and repeatability error terms.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
2
Accuracy and drift graphs are available in Bulletin #753.
3
External loop supply can increase maximum loop resistance rating.
I/O
26
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com