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Summary of Contents for Omega OM-USB-5201
- Page 2 For Other Locations Visit omega.com/worldwide The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves the right to alter specifications without notice. WARNING: These products are not designed for use in, and should not be used for, human applications.
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Page 3: Table Of Contents
Logging data with the OM-USB-5201 ..........................6 OM-USB-5201 block diagram ........................... 7 Software features ..............................7 Connecting a OM-USB-5201 to your computer is easy ..................8 Chapter 2 Installing the OM-USB-5201 ......................... 9 What comes with your OM-USB-5201 shipment? ..................... 9 Hardware .................................. - Page 4 OM-USB-5201 User's Guide Converting binary data after a logging session ....................19 Chapter 5 Specifications ............................20 Analog input section ............................20 Channel configurations ............................. 20 Accuracy ................................21 Thermocouple measurement accuracy ..........................21 Throughput rate to PC ............................21 Digital input/output............................22 Temperature alarms ............................
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Page 5: Preface
Preface About this User’s Guide What you will learn from this user’s guide This user's guide describes the Omega Engineering OM-USB-5201 data acquisition devices and lists device specifications. Conventions in this user’s guide For more information about … Text presented in a box signifies additional information and helpful hints related to the subject matter you are reading. -
Page 6: Introducing The Om-Usb-5201
Introducing the OM-USB-5201 Overview: OM-USB-5201 features This user's guide contains all of the information you need to connect the OM-USB-5201 to your computer and to the signals you want to measure. The OM-USB-5201 is a USB 2.0 full-speed, thermocouple input device that is supported under popular ®... -
Page 7: Om-Usb-5201 Block Diagram
Figure 1. OM-USB-5201 functional block diagram Software features For information on the features of InstaCal and the other software included with your OM-USB-5201, refer to the OMB-DAQ-2400, OM-USB, OM-WEB, and OM-WLS Series Data Acquisition Software User's Guide that shipped with your device. -
Page 8: Connecting A Om-Usb-5201 To Your Computer Is Easy
CompactFlash Card adapter to appear as a storage device. This feature allows direct access to data files stored on the OM-USB-5201. The OM-USB-5201 is plug-and-play. There are no jumpers to position, DIP switches to set, or interrupts to ... -
Page 9: Installing The Om-Usb-5201
OM-WLS Series Data Acquisition Software User's Guide. This booklet supplies a brief description of the software you received with your OM-USB-5201 and information regarding installation of that software. Please read this booklet completely before installing any software or hardware. -
Page 10: Unpacking The Om-Usb-5201
Installing the hardware To connect the OM-USB-5201 to your system, turn your computer on, and connect the USB cable to a USB port on your computer or to an external USB hub that is connected to your computer. The USB cable provides power and communication to the OM-USB-5201. -
Page 11: Configuring Data Logging Options
delete data files All data logging options are stored on the OM-USB-5201 in non-volatile memory in EEPROM, and are loaded on power up. Calibrating the OM-USB-5201 The OM-USB-5201 is fully calibrated with InstaCal. Calibration coefficients are stored in EEPROM. Allow the... -
Page 12: Chapter 3 Sensor Connections
Screw terminal pin out The OM-USB-5201 has four rows of screw terminals — two rows on the top edge of the housing, and two rows on the bottom edge. Each row has 26 connections. Between each bank of screw terminals are two integrated CJC sensors used for thermocouple measurements. -
Page 13: Thermocouple Input Terminals (C0H/C0L To C7H/C7L)
(500 VDC) from the USB +5V. Caution! Each +5V terminal is an output. Do not connect to an external power supply to these terminals or you may damage the OM-USB-5201 and possibly the computer. Digital terminals (DIO0 to DIO7) You can connect up to eight digital I/O lines to the screw terminals labeled . -
Page 14: Cjc Sensors
Connect the thermocouple to the OM-USB-5201 using a differential configuration, as shown in Figure 3. Figure 3. Typical thermocouple connection Connect thermocouples to the OM-USB-5201 such that they are floating with respect to GND (pins 9, 19, 28, 38). The OM-USB-5201... -
Page 15: Digital I/O Connections
When you configure the digital bits for input, you can use the OM-USB-5201 digital I/O terminals to detect the state of any TTL-level input. Refer to the schematic shown in Figure 4. If you set the switch to the +5 V input, DIO0 reads TRUE (1). -
Page 16: Chapter 4 Functional Details
+2.5 V to the thermocouple’s low side at the C#L input. Always connect thermocouple sensors to the OM-USB-5201 in a floating fashion. Do not attempt to connect the thermocouple low side C#L to GND or to a ground referencing resistor. -
Page 17: External Components
USB connector to the external power supply. The LED uses up to 5 mA of current. The function of the LED varies according to whether the OM-USB-5201 is connected to an active USB port, or when the device is logging data and connected to the external power supply. -
Page 18: Compactflash ® Memory Card Slot
The device caches log data in volatile memory prior to writing to the memory card. Pressing the data logging button has no effect when the OM-USB-5201 is connected to an active USB port and not logging data. -
Page 19: External Power Supply
Converting binary data after a logging session If your OM-USB-5201 is connected to a USB port on your computer, you can use InstaCal or TracerDAQ to convert the files on the CompactFlash card to .CSV format for use in Microsoft Excel files, or to .TXT format for use in other applications. -
Page 20: Chapter 5 Specifications
Chapter 5 Specifications All specifications are subject to change without notice. Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. Analog input section Table 1. Generic analog input specifications Parameter Conditions Specification A/D converters Four dual 24-bit, Sigma-Delta type Number of channels 8 differential... -
Page 21: Accuracy
OM-USB-5201 User's Guide Specifications Accuracy Thermocouple measurement accuracy Table 3. Thermocouple accuracy specifications, including CJC measurement error Sensor Type Maximum error Typical error Temperature range ±1.499 °C ±0.507 °C -210 to 0 °C ±0.643 °C ±0.312 °C 0 to 1200 °C ±1.761 °C... -
Page 22: Digital Input/Output
OM-USB-5201 User's Guide Specifications The analog inputs are configured to run continuously. Each channel is sampled twice per second. Note 6: The maximum latency between when a sample is acquired and the temperature data is provided by the USB unit is approximately 0.5 seconds. Throughput to CompactFlash memory card is limited to 1 S/s per channel. -
Page 23: Microcontroller
2.5 Watt USB adapter with interchangeable plugs (includes plug for USA) Memory card type CompactFlash Supplied memory 512MB CFCARD: 512 MB Compact Flash Card for Omega Engineering dataloggers card USB Mass Storage Device (MSD) Memory card host access File systems... -
Page 24: Real Time Clock
OM-USB-5201 User's Guide Specifications Real time clock Table 10. Real time clock specifications Battery backup CR-2032 lithium coin cell, replaceable Accuracy ±1 minute per month USB +5V voltage Table 11. USB +5V voltage specifications Parameter Conditions Specification USB +5V (VBUS) input voltage range 4.75 V min. -
Page 25: Usb Specifications
OM-USB-5201 User's Guide Specifications USB specifications Table 13. USB specifications USB device type USB 2.0 (full-speed) Device compatibility USB 1.1, USB 2.0 Self-powered, 500 mA consumption max USB cable type A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND,... -
Page 26: Screw Terminal Pin Out
OM-USB-5201 User's Guide Specifications Screw terminal pin out Table 17. Screw terminal pin out Signal Name Pin Description Signal Name Pin Description RSVD Reserved, Do Not Use RSVD Reserved, Do Not Use CH0 sensor input (+) CH7 sensor input (-) - Page 27 Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
- Page 28 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...
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