Grayhill Inc. 的 73(L,G)-II 规格书

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Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I/O 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)
CIRCUITRY: Voltage Output
Analog Current Input Modules
73L-II 73G-II
G5: 0-5A
OpenLine®
G5: 4-20mA
3
4
5
RECTIFY,
FILTER,
AMPLIFY
1
2
10KΩ
+5 V
GROUND
5A SECONDARY
TRANSFORMER
OPTICAL
ISOLATION
VOLTAGE
CONTROLLED
OSCILLATOR
OUTPUT
DRIVER
CIRCUIT
CURRENT
SOURCE
SQUARE-
WAVE
OUTPUT
+5V 3
4
5
GROUND
AMP
V/F
DC/DC
CONVERTER
V
S
V
S-
V
S
FILTER &
BUFFER
SQUARE-
WAVE
OUTPUT
R
X
+
–
1
2
10KΩ
˜CURRENT
SOURCE
OPTICAL
ISOLATION
ISOLATED
DC/DC
CONVERTER
5.23K
10K
CHANNEL A
CHANNEL B
ISOLATION
Vs
Vs–
µP
CH. A
A/D
CH. B
SIGNAL
CONDITIONING
AND
FILTER
SIGNAL
CONDITIONING
AND
FILTER
I/O MODULE
PIN #
TERMINAL
BLOCK #
–
+
–
+
4-20mA
TRANSMITTER
TWISTED
PAIR
TWISTED
PAIR
1
2
3
44
3
2
1
5
6
7
8
9
133Ω
133Ω
4-20mA
TRANSMITTER
LOOP
SUPPLY
LOOP
SUPPLY
–
+
–
+
MODULE ID
RXD
TXD
Vcc
GND
I/O
30
fivé’.”
I/O Modules
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Type/Function Grayhill Part Number
G5, OpenLine®73G-II020 73G-II420 73G-II5000 73L-II020 73L-II420 73L-II222
Specifications Units
Number of Inputs 1 Ch., Diff. 1 Ch., Diff. 1 Ch., Diff. 2 Ch., S.E. 2 Ch., S.E. 2 Ch., S.E.
Resolution bits 12 12 12 12 12 12
µA/Count 4.88 3.91 1221 4.88 3.91 4.88
Absolute Accuracy @ 25°C1, 2 % of full +/- 0.2 +/- 0.2 +/- 0.3 0.075 0.075 0.075
scale
Accuracy Drift w/Temp.2
Maximum Offset PPM/°C +/- 50 +/- 50 +/- 150 +/- 25 +/- 25 +/- 25
Maximum Gain (0 to 60°C) PPM/°C +/- 55 +/- 55 +/- 150 +/- 75 +/- 75 +/- 75
Serial Data Format 12-bit 12-bit 12-bit Right Justified, Right Justified, Right Justified,
packet packet packet 16-bit 16-bit 16-bit
Serial Data Packet — — — 115.2Kb, N, 8, 2 115.2Kb, N, 8,2 115.2Kb, N, 8,2
Step Response Time3mS 2.5 2.5 2.5 1.5 1.5 1.5
Input Resistance (Rx) ohms 133 +/- 1% 133 +/- 1% .020 +/-.02% 133/- 1% 133 +/- 1% 133 +/- 1%
Input Current Range mA or A 0-20mA 4-20mA 0-5A TRMS 0-20mA 4-20mA 2-22mA
Maximum Overload V—— — 66 6
Logic Voltage Range Vdc 4.5-5.5 4.5-5.5 4.5-5.5 4.75-5.25 4.75-5.25 4.75-5.25
Maximum Logic mA/Ch. 150 120 160 38 38 38
Supply Current@5Vdc
Module ID (Pin 9) KΩN/A N/A N/A 5.23 5.23 5.23
Isolation Voltage
Field to Logic Vrms 2500 2500 2500 2500 2500 2500
Field to Power Vrms 2500 2500 2500 2500 2500 2500
Module to Module Vrms 2500 2500 2500 2500 2500 2500
Channel A to Channel B — — — None None None
Environmental Conditions
Operating Temperature3°C 0 to 60 0 to 60 0 to 60 -40 to 85 -40 to 85 -40 to 85
Storage Temperature °C -25 to 85 -25 to 85 -25 to 85 -55 to 100 -55 to 100 -55 to 100
1Includes offset, gain, non-linearity and repeatability error terms.
2 Accuracy and drift graphs are available in Bulletin #753.
3 Time required for output to change to within 1% of final value.
SPECIFICATIONS: By Part Number
Analog Current Input Modules
Available from your local Grayhill Distributor.
For prices and discounts, contact a local
Distributor, a local Sales Office or Grayhill.
I/O
31