SensorLex® 8BIsolated
IsolatedAnalog
AnalogSignal
SignalConditioning
ConditioningProducts
Products
S C 8MB 5 B
8B50/51
Voltage Input Modules, 20kHz Bandwidth
Description
8B modules are an optimal solution for monitoring real-world process
signals and providing high-level signals to a data acquisition system.
ach B or B module isolates, filters, and amplifies a voltage input
signal and provides an analog voltage output (Figure 1).
Signal filtering is accomplished with a pole filter optimi ed for time and
frequency response which provides 100dB per decade of normal-mode
re ection above
H . One pole of this filter is on the field side of the isolation barrier for anti aliasing, and the other four are on the system side.
A special input circuit on the 8B50 and 8B51 modules provides
protection against accidental connection of power-line voltages up to
240VAC. Clamp circuits on the I/O and power terminals protect against
harmful transients.
Isolation is provided by transformer coupling to suppress transmission
of common mode spikes or surges. The module is powered from
+5VDC, ± 5% .
The modules are designed for installation in Class I, Division 2 hazardous
locations and have a high level of immunity to environmental noise.
Features
• Accepts Millivolt and Voltage Level Signals
• High-Level Voltage Outputs
• 1500Vrms Isolation
• ANSI/IEEE C37.90.1 Transient Protection
• Input Protection to 240VAC Continuous
• 100dB CMR
• 20kHz Signal Bandwidth
• ± 0.05% Accuracy
• ± 0.02% Linearity
Low Drift with Ambient Temperature
• C-UL-US Listed
• CE Compliant
• ATEX Compliance Pending
• Mix and Match Module Types on Backpanel
F i g u r e 1 : 8 B 5 0 / 5 1 B l o ck
D ia g r a m
1 3 4
©1995-2017 Dataforth Corporation, All Rights Reserved
For information call 800-444-7644
ISO9001:2008-Registered QMS
SensorLex® 8B Isolated Analog Signal Conditioning Products
Typical❇ at TA
Module
Input Range
Input Bias Current
Input Resistance
Normal
Power Off
Overload
Input Protection
Continuous(1)
Transient
CMV, Input to Output
Transient, Input to Output
CMR (50Hz or 60Hz)
NMR (– 3dB at 20kHz)
Accuracy(2)
Linearity
Stability
Offset
Gain
Noise
Output, 100kHz
Bandwidth, – 3dB
Rise Time, 10 to 90% Span
Output Range
Output Protection
Transient
Power Supply Voltage
Power Supply Current
Power Supply Sensitivity
Mechanical Dimensions
(h)(w)(d)
Environmental
Operating Temp. Range
Storage Temp. Range
Relative Humidity
Emissions EN61000-6-4
Radiated, Conducted
Immunity EN61000-6-2
RF
ESD, EFT
and
Ordering Information
D power
8B50
8B51
± 20mV to ± 100mV
± 0.5nA
± 1V to ± 60V
± 0.05nA
Model
minimum
minimum
minimum
*
240VAC
ANSI/IEEE C37.90.1
1500Vrms max
ANSI/IEEE C37.90.1
100dB
dB per Decade above
*
*
*
*
H
*
± 0.05% Span
± 0.02% Span
*
ppm
ppm
*
ppm
rms
20kHz (15kHz, 50-01)
s
*
See Ordering Information
Continuous Short to Ground
ANSI/IEEE C37.90.1
*
*
Input Range
Output Range
8B50-01
8B50-02
8B50-03
8B50-04
8B50-05
8B50-06
– 20mV to +20mV
– 50mV to +50mV
– 100mV to +100mV
– 20mV to +20mV
– 50mV to +50mV
– 100mV to +100mV
– 5V to +5V
– 5V to +5V
– 5V to +5V
0 to +5V
0 to +5V
0 to +5V
8B51-01
8B51-02
8B51-03
8B51-04
8B51-05
8B51-06
8B51-07
8B51-08
8B51-09
8B51-10
8B51-12
8B51-13
– 1V to +1V
– 5V to +5V
10V to +10V
– 1V to +1V
– 5V to +5V
10V to +10V
20V to +20V
20V to +20V
40V to +40V
40V to +40V
60V to +60V
60V to +60V
– 5V to +5V
– 5V to +5V
– 5V to +5V
0V to +5V
0V to +5V
0V to +5V
– 5V to +5V
0V to +5V
– 5V to +5V
0V to +5V
– 5V to +5V
0V to +5V
–
–
–
–
–
–
–
–
8 B
Specifications
8 B
*
*
*
*
+5VDC ± 5%
25mA
± 75ppm/%
*
*
1.11” x 1.65” x 0.40”
(28.1mm x 41.9mm x 10.2mm)
*
to
to
0 to 95% Noncondensing
ISM, Group 1
Class A
ISM, Group 1
Performance A ± 0.5% Span Error
Performance B
*
*
*
*
*
*
*
*
*
NOTES:
❇
ontact factory or your local Dataforth sales office for maximum values.
Same specification as B .
A between Input terminal and Input,
, or
terminals.
A between Input and
or
terminals.
A between
and
terminals.
Includes linearity, hysteresis and repeatability.
Installation Notes:
. This uipment is Suitable for se in lass I, Division , Groups A, B, , D,
or Non-Hazardous Locations Only.
.
ARNING xplosion Ha ard Substitution of Any omponents ay Impair
Suitability for lass I, Division .
3.) WARNING - Explosion Hazard - Do Not Disconnect Equipment Unless
Power Has Been Switched Off or The Area is nown to be Non Ha ardous.
Visit our website www.dataforth.com
©1995-2017 Dataforth Corporation, All Rights Reserved
1 3 5
ISO9001:2008-Registered QMS
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