Measurement Computing Measurement Advantage USB-TC User Manual Download Page 1 | Manualshive

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Summary of Contents for Measurement Advantage USB-TC

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Page 2: ...USB TC Measurement Advantage brand USB based 8 Channel Thermocouple Input Module User s Guide Document Revision 2 March 2005 Copyright 2005 Measurement Computing Corporation...

Page 3: ...workmanship for the life of the product Products found defective are repaired or replaced promptly Lifetime Harsh Environment Warranty We will replace any product manufactured by Measurement Computing...

Page 4: ...spective owners Information furnished by Measurement Computing Corporation is believed to be accurate and reliable However no responsibility is assumed by Measurement Computing Corporation neither for...

Page 5: ...ling the software 2 2 Installing the hardware 2 2 Configuring the USB TC 2 3 Calibrating the USB TC 2 3 Chapter 3 Sensor Connections 3 1 Screw terminal pin out 3 1 Thermocouple input terminals C0H C0L...

Page 6: ...accuracy 5 2 Throughput rate 5 2 Digital input output 5 3 Memory 5 3 Microcontroller 5 3 USB 5V voltage 5 3 Power 5 4 USB specifications 5 4 Environmental 5 4 Mechanical 5 4 Screw terminal connector...

Page 7: ...on italic text Italic text indicates the names of manuals and help topic titles and to emphasize a word or phrase For example The InstaCal installation procedure is explained in the DAQ Software Quick...

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Page 9: ...els Eight independent TTL compatible digital I O channels are provided to monitor TTL level inputs communicate with external devices and to generate alarms The digital I O channels are software progra...

Page 10: ...O Isolator 500 V Isolation Barrier USB Micro USB SPI Isolated DC DC USB 5V 12 12 8 DIO Figure 1 1 USB TC functional block diagram Software features The following software ships with the USB TC free o...

Page 11: ...ches to set or interrupts to configure You can connect the USB TC before or after you install the software and without powering down your computer first When you connect an HID to your system your com...

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Page 13: ...s should be included with your shipment USB TC USB cable 2 meter length Software The Measurement Computing Data Acquisition Software CD contains the following software InstaCal installation calibratio...

Page 14: ...instructions on installing the software on the Measurement Computing Data Acquisition Software CD This booklet is available in PDF at www mccdaq com PDFmanuals DAQ Software Quick Start pdf Installing...

Page 15: ...rocontroller in EEPROM which is non volatile memory on the USB TC module Configuration options are loaded on power up The factory default configuration is Type J thermocouple Allow the USB TC to warm...

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Page 17: ...ws on the bottom edge Each row has 26 connections Between each bank of screw terminals are two integrated CJC sensors used for thermocouple measurements Signals are identified in Figure 3 1 RSVD 1 NC...

Page 18: ...ut 22 GND Ground 48 GND Ground 23 DIO0 Digital Input Output 49 DIO7 Digital Input Output 24 DIO1 Digital Input Output 50 DIO6 Digital Input Output 25 DIO2 Digital Input Output 51 DIO5 Digital Input Ou...

Page 19: ...e isolation between the GND pins 9 19 28 38 and earth ground is maintained When thermocouples are attached to conductive surfaces the voltage differential between multiple thermocouples must remain wi...

Page 20: ...O and conductive thermocouples the thermocouples are no longer isolated In this case thermocouples must not be connected to any conductive surfaces that may be referenced to earth ground For general...

Page 21: ...ithm automatically corrects for the additional thermocouples created at the terminal blocks by subtracting the calculated cold junction voltage from the analog input s thermocouple voltage measurement...

Page 22: ...ED The LED indicates the communication status of the USB TC It uses up to 5 mA of current Table 4 2 defines the function of the USB TC LED Table 4 2 LED Illumination LED Illumination Indication Steady...

Page 23: ...IN 60 Hz 90 dB min Common mode rejection ratio fIN 50 Hz 60 Hz 100 dB min Resolution 24 bits No missing codes 24 bits Input coupling DC Warm up time 30 minutes min Open thermocouple detect Automatical...

Page 24: ...nclude inherent thermocouple error Please contact your thermocouple supplier for details on the actual thermocouple error Note 4 Thermocouples must be connected to the USB TC such that they are floati...

Page 25: ...min Output low voltage IOL 2 5 mA 0 7 V max Output high voltage IOH 2 5 mA 3 8 V min Note 7 All ground pins on the USB TC pins 9 19 28 38 are isolated from earth ground If a connection is made to ear...

Page 26: ...reside in the PC s USB Host Controller The USB port s on your PC are root port hubs All externally powered root port hubs desktop PC s provide up to 500 mA of current for a USB device Battery powered...

Page 27: ...ensor input 34 C6H CH6 sensor input 9 GND 35 NC 10 RSVD Reserved Do Not Use 36 RSVD Reserved Do Not Use CJC sensor CJC sensor 11 RSVD Reserved Do Not Use 37 RSVD Reserved Do Not Use 12 NC 38 GND 13 C2...

Page 28: ...Measurement Computing Corporation 16 Commerce Boulevard Middleboro Massachusetts 02346 508 946 5100 Fax 508 946 9500 E mail info mccdaq com www mccdaq com...

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