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DI-8B45 반도체 회로 부품 판매점

Frequency Input Modules



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ETC
DI-8B45 데이터시트, 핀배열, 회로
www.DataSheet4U.com
DI-8B45 Frequency Input Modules
FEATURES
• Accepts Frequency Input Signals 0 to
100kHz
• TTL or Zero-Crossing Signal Inputs
• High Level Voltage Outputs
• 1500Vrms Transformer Isolation
• ANSI/IEEE C37.90.1 Transient Pro-
tection
SPECIFICATIONS
Typical at TA = +25ºC and +5V Power
DI-8B45
Input Range
0Hz to 100kHz
Input Threshold
Minimum Input
Maximum Input
Minimum Pulse Width
TTL Input Low
TTL Input High
Zero Crossing
200mVp-p
350Vp-p TTL, 170Vp-p Zero Crossing
4µs
0.8V max
2.4V min
• Input Protected up to 240VAC Con-
tinuous
• 100dB CMR
• 70dB NMR at 60Hz
• ±0.10% Accuracy
• ±0.05% Linearity
Input Hysteresis
Input Resistance
Zero Crossing
TTL
Normal
Power Off
Overload
±50mV
1.5V
200kΩ
200kΩ
200kΩ
• Low Drift with Ambient Temperature
• UL, CSA, FM and CE Certifications
Pending
• Mix and Match Module Types
DESCRIPTION
DI-8B modules are an optimal solution
for monitoring real-world process signals
Input Protection
Excitation
CMV, Input to Output
CMR (50Hz or 60Hz)
Continuous¹
Transient
Continuous
Transient
240Vrms max
ANSI/IEEE C37.90.1
+5V at 8mA max
1500Vrms max
ANSI/IEEE C37.90.1
100dB
and providing high level signals to a data
acquisition system. Each DI-8B45 module
isolates and conditions a frequency input
signal and provides an analog voltage
output.
The frequency input signal can be either
a TTL level or zero crossing with as little
as ±100mV amplitude. Input circuitry for
each signal type has built-in hysteresis to
prevent spurious noise from corrupting the
module output. TTL signals are applied to
Accuracy²
Nonlinearity
Stability
Offset
Gain
Noise
Output Ripple
Response Time, 90% Span
±0.10% Span
±0.05% Span
±25ppm/ºC
±100ppm/ºC
<10mVp-p at Input >2% Span
300ms (-01); 175ms (-02); 50ms (-03);
30ms (-04); 30ms (-05); 15ms (-06);
15ms (-07); 2ms (-08)
the + and - terminals while zero crossing
signals are applied to the +EXC and - ter-
minals. Reference the block diagram (p 2).
A 5V excitation is available for use with
magnetic pick-up or contact closure type
sensors. The excitation is available on the -
Output Range
Output Protection
Power Supply Voltage
Power Supply Current
Transient
0 to +5V
Continuous Short to Ground
ANSI/IEEE C37.90.1
+5VDC ±5%
110mA
EXC terminal with return on the - terminal. Power Supply Sensitivity
±50ppm/%
A special input circuit on the DI-8B45
modules provides protection against ac-
cidental connection of power-line voltages
up to 240VAC. Clamp circuits on the I/O
and power terminals protect against harm-
ful transients.
Isolation is provided by optical coupling
to suppress transmission of common mode
spikes or surges. The module is powered
from +5VDC, ±5%.
Mechanical Dimensions
1.11" × 1.65" × 0.40"
(28.1mm × 41.9mm × 10.2mm)
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
-40ºC to +85ºC
-40ºC to +85ºC
0 to 95% Noncondensing
¹240VAC between + and -/+EXC/-EXC terminals. 120VAC between - and +EXC/-
EXC terminals and between +EXC and -EXC terminals.
²Includes nonlinearity, hysteresis, and repeatability.
The modules are designed for installation
in Class I, Division 2 hazardous locations
and have a high level of immunity to envi-
ronmental noise.
DATAQ Instruments, Inc. • 241 Springside Drive • Akron, Ohio 44333 • Tel: 330-668-1444 • Email: [email protected] • www.dataq.com


DI-8B45 데이터시트, 핀배열, 회로
Block Diagram
DI-8B45 Frequency Input Modules
Ordering Information
Model Number
DI-8B45-01
DI-8B45-02
DI-8B45-03
DI-8B45-04
DI-8B45-05
DI-8B45-06
DI-8B45-07
DI-8B45-08
Input Range
0Hz to 500Hz
0Hz to 1kHz
0Hz to 2.5kHz
0Hz to 5kHz
0Hz to 10kHz
0Hz to 25kHz
0Hz to 50kHz
0Hz to 100kHz
241 Springside Drive
Akron, Ohio 44333
330-668-1444
Data Acquisition Product Links
(click on text to jump to page)
Data Acquisition | Data Logger | Chart Recorder | Thermocouple | Oscilloscope
The information on this data sheet is subject to change without notice.
DATAQ and the DATAQ logo are registered trademarks of DATAQ Instruments, Inc. All rights reserved. Copyright © 2005 DATAQ Instruments, Inc.




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