Structural Monitoring System (SMS) – Multichannel 4-20mA Sensor System

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This general purpose structural monitor and machine protection system comes in 64-, 128-, or 256-channel models, possessing the versatility for multiple deployment options depending on the size and/or scope of the monitoring project or asset being monitored. The Structural Monitor System (SMS) is armed with many features, including data collection, alarming, historical trending and data storage, and accepts all sensors and signal sources using 4-20 ma current loop. Complete with an Ethernet output for network communications, the SMS can send alarms and reports remotely via email and has a battery backup in case of loss of power. SMS also offers full plant control room integration with programmable triggers.

Specifications

Analog Inputs
Input channels 64 / 128 / 256
Input configuration Current or voltage
Factory set in groups of 8
Current Input Ranges 20 mA full scale
(for use with 4-20 mA current loops)
Voltage Input Ranges ±10V, ±5V, ±1V, software selectable
Current Input Impendance 250 Ω
Voltage Input Impendance 1 MΩ
Maximum Safe Current Input Level ± 40mA
Maximum Safe Voltage Input Level ± 12V
Digital Inputs
Input channels 8 / 16
Logic Threshold, High Level > 2.0V
Logic Threshold, Low Level < 0.8V
Maximum safe input level -0.5 to +5.5V
ESD protected to 15kV
Measurement
Maximum sample rate 1000 samples per second,
all channels active
Resolution 16 bits
Physical Specifications
Size 19” Rackmount 4U / 30” x 20” x 10” NEMA 4
Weight 20 lbs / 45 lbs
Operating Temperature -25°C to +50°C
Storage Temperature -40°C to +80°C
Relative Humidity 20 to 90%, non-condensing, Operating
10 to 95%, non-condensing, Storage
Input Voltage 88-264VAC, 47-63Hz
Power Consumption 200W/400W Max.
Output Power for Sensors +24V
Maximum Total load 2A per 64ch