Omega OM-USB-1208FS manual USB connector, Screw terminal wiring, Screw terminal pins

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OM-USB-1208FS User's Guide

Functional Details

USB connector

The USB connector is on the right side of the OM-USB-1208FS. This connector provides +5 V power and communication. The voltage supplied through the USB connector is system-dependent, and may be less than 5 V. No external power supply is required.

LED

The LED on the front of the housing indicates the communication status of the OM-USB-1208FS. It uses up to 5 mA of current and cannot be disabled. The table below defines the function of the OM-USB-1208FS LED.

 

LED Illumination

 

 

LED Illumination

Indication

 

 

Steady green

The OM-USB-1208FS is connected to a computer or external USB hub.

 

 

Blinks continuously

Data is being transferred.

 

 

Screw terminal wiring

The OM-USB-1208FS has two rows of screw terminals—one row on the top edge of the housing, and one row on the bottom edge. Each row has 20 connections. Pin numbers are identified in Figure 4.

Figure 4. OM-USB-1208FS Screw terminal pin numbers

Screw terminal – pins 1-20

The screw terminals on the top edge of the OM-USB-1208FS (pins 1 to 20) provide the following connections:

Eight analog input connections (CH0 IN to CH7 IN)

Two analog output connections (D/A OUT 0 to D/A OUT 1)

One external trigger source (TRIG_IN)

One SYNC terminal for external clocking and multi-unit synchronization (SYNC)

One calibration terminal (CAL)

Five analog ground connections (AGND)

One ground connection (GND)

One external event counter connection (CTR)

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Contents Page Page Table of Contents OM-USB-1208FS Users Guide Where to find more information About this Users GuideWhat you will learn from this user’s guide Conventions in this user’s guideIntroducing the OM-USB-1208FS ChapterOM-USB-1208FS block diagram Software featuresConnecting a OM-USB-1208FS to your computer is easy Installing the OM-USB-1208FS What comes with your OM-USB-1208FS shipment?Unpacking the OM-USB-1208FS HardwareInstalling the software Installing the hardwareBe sure you are using the latest system software If the LED turns offSoftware paced mode Continuous scan modeFunctional Details Theory of operation analog input acquisition modesUSB connector Screw terminal wiringScrew terminal pins Main connector and pin out Single-ended configurationAnalog input terminals CH0 in CH7 Single-ended measurements using differential channels Differential configurationChhi Chlo Power terminals For more information on analog signal connectionsFor more information on digital signal connections Analog output terminals D/A OUT 0 and D/A OUTCalibration terminal Ground terminalsExternal trigger terminal Sync terminalAccuracy Ideal ADC transfer functionADC transfer function with offset error OM-USB-1208FS channel gain queue feature Error band plotConfiguring for synchronous data acquisition Synchronizing multiple unitsSpecifications Analog inputRange Accuracy LSB Analog output Digital input/outputExternal trigger External clock input/outputCounter Power Non-volatile memoryMicrocontroller Main connector and pin out Channel differential modeGeneral EnvironmentalChannel single-ended mode

OM-USB-1208FS specifications

The Omega OM-USB-1208FS is a high-performance data acquisition device designed for engineers and technicians who require accurate data logging and analysis in their experiments and applications. This versatile device is equipped with a range of features that make it an ideal choice for various measurement tasks across different industries.

One of the standout features of the OM-USB-1208FS is its ability to support a wide variety of input signals. The device is equipped with 16 analog input channels, which can be used for both voltage and thermocouple inputs, making it suitable for temperature monitoring and other signal measurements. The analog inputs provide a resolution of 16 bits, ensuring precise and reliable readings. Furthermore, it supports sampling rates of up to 100 kS/s, allowing for rapid data acquisition and real-time monitoring.

In addition to its analog capabilities, the OM-USB-1208FS has digital I/O lines that facilitate control and automation tasks. With 8 digital input/output channels, users can easily manage various external devices, sensors, or actuators, enhancing the overall functionality of the data acquisition system. This makes the device suitable for automation projects, as users can trigger actions based on acquired data.

Another distinguishing feature is the built-in USB interface, which offers a straightforward connection to computers without the need for additional power supplies or complex setups. The device is fully compatible with various operating systems, including Windows, making it easy to integrate into existing systems. The included software allows for easy data logging, visualization, and analysis, simplifying the process for users.

The OM-USB-1208FS is designed with durability and reliability in mind. Its compact and rugged construction ensures that it can withstand the rigors of fieldwork and laboratory use. Moreover, the device's comprehensive range of input types and robust performance specifications make it an asset for researchers across diverse fields, including environmental monitoring, manufacturing, and academic research.

In summary, the Omega OM-USB-1208FS is a powerful data acquisition solution that combines a multitude of features and technologies. With its high-resolution analog inputs, digital I/O capabilities, user-friendly USB interface, and reliable construction, it caters to the diverse needs of professionals seeking to capture and analyze data accurately and efficiently. Whether for academic research, industrial applications, or environmental monitoring, the OM-USB-1208FS stands out as a top choice in the data acquisition landscape.