73G-II020 Datasheet, PDF (1/2 Pages) Grayhill, Inc – Analog Current Input Modules

Analog Current 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)
CIRCUITRY: Voltage Output
G5: 0-5A
1
CURRENT
SOURCE
2
5A SECONDARY
TRANSFORMER
RECTIFY,
FILTER,
AMPLIFY
VOLTAGE
CONTROLLED
OSCILLATOR
OPTICAL
ISOLATION
+5 V
SQUARE-
WAVE
OUTPUT
GROUND
3
4
10KΩ
OUTPUT
DRIVER
CIRCUIT
5
73L-II
+₁
CURRENT
˜ _{SOURCE – 2}
G5: 4-20mA
FILTER &
RX
BUFFER
AMP
+5V
SQUARE-
WAVE
OUTPUT
GROUND
VS
3
DC/DC
CONVERTER
VS- ^V/F
VS
10KΩ
4
5
73G-II
+
LOOP
SUPPLY
–
I/O MODULE
PIN #
4-20mA
TRANSMITTER
TWISTED
PAIR
+
11
–
22
+
LOOP
SUPPLY
–
4-20mA
TRANSMITTER
TWISTED
PAIR
+
33
–
44
TERMINAL
BLOCK #
OpenLine^®
SIGNAL
CONDITIONING
AND
FILTER
133Ω
CHANNEL A
CH. A
A/D
µP
CH. B
SIGNAL
CONDITIONING
AND
FILTER
CHANNEL B
133Ω
Vs
Vs ^–
OPTICAL
ISOLATION
ISOLATED
DC/DC
CONVERTER
5.23K
9 MODULE ID
8 RXD
7 TXD
10K
6 Vcc
5 _GND
I/O
30
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com