Impulse SCM7B32_33 Manual do Utilizador descarregar pdf (Página 2)

SCM7B

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Isolated Process Control Signal Conditioning Products

SCM7B

Specifications

Typical at 25°C and +24VDC

Module SCM7B32 SCM7B33

Input

Signal Range 4-20mA, 0-20mA +1 to +5V, 0 to +5V

Bias Current N/A ±0.1nA

Resistance

Normal <100Ω 2MΩ

Power Off <100Ω 2MΩ

Overload 30kΩ 2MΩ

Protection

Continuous 120Vrms max *

Transient ANSI/IEEE C37.90.1 *

Output

Signal Range

(1) 

Effective Available Power

(1)

40mW *

Resistance <1Ω *

Protection Continuous Short-to-Ground *

Voltage/Current Limit ±12V, ±14mA *

CMV (Input-to-Output)

Continuous 1500Vrms *

Transient ANSI/IEEE C37.90.1 *

CMRR (50 or 60Hz) 105dB *

Accuracy

(2)

±0.03% Span typical, *

±0.1% Span max

Nonlinearity

(3)

±0.01% Span typical, *

±0.02% Span max

Stability (-40°C to +85°C)

Gain ±35ppm/°C *

Input Offset N/A

(4)

Output Offset ±0.003% Span/°C *

Noise

Peak at 5MHz B/W 500µV *

RMS at 10Hz to 100kHz B/W 300µV *

Peak at 0.1Hz to 10Hz B/W 1µV RTI *

Frequency and Time Response

Bandwidth, -3dB 100Hz *

NMR (-3dB at 100Hz) 80dB per decade above 100Hz *

Step Response, 90% Span 5ms *

Supply Voltage 14 to 35VDC *

Current

(1)

12mA *

Sensitivity ±0.0001%/%V

Mechanical Dimensions 2.13" x 1.705" x 0.605" max *

(h)(w)(d) 54.1mm x 43.3mm x 15.4mm max *

Environmental

Operating Temperature Range -40°C to +85°C *

ATEX Group II, Category 3 -20°C to +40°C *

Storage Temperature Range -40°C to +85°C *

Relative Humidity 0 to 95% noncondensing *

Emissions EN61000-6-4 ISM, Group 1 *

Radiated, Conducted Class A *

Immunity EN61000-6-2 ISM, Group 1 *

R F Performance A ±0.5% Span Error *

ESD, EFT, Surge, Voltage Dips Performance B *

NOTES:

*Specification same as preceding model

(1) Output Range and Supply Current specifications are based on minimum output load resistance. Minimum output load

resistance is calculated by V

OUT

, where P

is the output Effective Available Power that guarantees output range,

accuracy, and linearity specifications.

(2) Accuracy includes the effects of repeatability, hysteresis, and linearity.

(3) Nonlinearity is calculated using the best-fit straight line method.

(4) Input offset term included in output offset specification.

Ordering Information

Model Input Range

SCM7B32-01 4 to 20mA

SCM7B32-02 0 to 20mA

SCM7B33-01 +1 to +5V

SCM7B33-02 0 to +5V

Output Range Part No. Suffix Example

+1 to +5V NONE SCM7B32-01

0 to +5V A SCM7B32-01A

0 to +10V D SCM7B32-01D





Output Ranges Available

1 2

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