Impulse SCM7B22 - Manual (Page 2)

SCM7B
Visit our website www.dataforth.com 69
Isolated Process Control Signal Conditioning Products
SCM7B
Specifications
Output
Signal Range (1) ±10V
Effective Available Power (1) 20mW
Resistance <1 Ω
Protection
Continuous 120Vrms
Transient ANSI/IEEE C37.90.1
Voltage/Current Limit ±12.5V, ±40mA
Input
Signal Range ±10V
Bias Current ±0.5nA
Resistance 2M Ω min
Protection ±35Vdc (no damage)
CMV (Input-to-Output)
Continuous 1500Vrms
Transient ANSI/IEEE C37.90.1
CMRR (50 or 60Hz) 100dB
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
Output Offset ±0.001% Span/°C
Noise
Peak at 5MHz B/W 2mV
RMS at 10Hz to 100kHz B/W 1mV
Peak at 0.1Hz to 10Hz B/W 10µV RTI
Frequency and Time Response
Bandwidth, -3dB 400Hz
NMR (-3dB at 400Hz) 80dB per decade above 400Hz
Step Response, 90% Span 1ms
Supply Voltage 19 to 29VDC
Current (1) 16mA
Sensitivity ±0.0001%/%V
S
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
RF Performance A ±0.5% Span Error
ESD, EFT, Surge, Voltage Dips Performance B
Module SCM7B22
Typical at 25°C and +24VDC
NOTES:
(1) Output Range and Supply Current specifications are based on minimum output load resistance.
Minimum output load resistance is calculated by V
OUT
2 /P
E
, where P
E
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.
Ordering Information
SCM7B22 ±10V ±10V
Model Input Range Output Range