Omega OM-USB-1208HS Series, User Manual

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Page 2: ...6 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide omega com info omega com The information contained in this document is believed...

Page 3: ...OM USB 1208HS Series Device 9 Chapter 3 Functional Details 10 Analog input acquisition modes 10 Software paced mode 10 Hardware paced mode 10 External components 10 USB connector 10 LEDs 10 Screw term...

Page 4: ...OM USB 1208HS Series User s Guide 4 Mechanical 22 Screw terminal connector and pinout 22...

Page 5: ...ements present information to help you avoid injuring yourself and others damaging your hardware or losing your data bold text Bold text is used for the names of objects on a screen such as buttons te...

Page 6: ...orts although the speed of the module maybe limited when using USB 1 1 ports Each OM USB 1208HS Series device provides the following features 8 single ended SE or four differential DIFF analog input c...

Page 7: ...the block diagram shown here Figure 1 Functional block diagram Software features For information on the features of InstaCal and the other software included with your OM USB 1208HS Series hardware ref...

Page 8: ...on installing the software on the Software for OMB DAQ 2400 OM USB OM WEB and OM WLS Series Data Acquisition Modules CD This booklet is available in PDF at http www omega com manuals manualpdf M4803 p...

Page 9: ...e To restore communication disconnect the USB cable from the computer and then reconnect it This should restore communication and the LED should turn on Calibrating a OM USB 1208HS Series Device OM US...

Page 10: ...alues and written to an onboard FIFO buffer on the device until you stop the scan The FIFO buffer is serviced in blocks as the data is transferred from the device FIFO buffer to the memory buffer on y...

Page 11: ...nnections AGND Six digital ground connections GND One external clock input AICKI and one external clock output AICKO for analog inputs One external clock input AOCKI and one external clock output AOCK...

Page 12: ...FF inputs to screw terminals AIN0 AIN0 to AIN3 AIN3 Refer to Figure 4 for the location of these pins DIFF mode requires two wires plus a ground reference Connect one wire to the high positive signal A...

Page 13: ...guration is pull down You can use the digital I O terminals to detect the state of any TTL level input Refer to the schematic shown in Figure 5 Figure 5 Schematic showing switch detection by digital c...

Page 14: ...M4830 pdf Counter I O The terminals provide connections to each 32 bit counter input channel CTR0 and CTR1 Each counter can count frequencies of up to 20 MHz Refer to Figure 3 on page 11 for the locat...

Page 15: ...e trigger settings for positive edge negative edge and level sensitive edge sensitive but automatically re arms the trigger after it is activated Power outputs You can use the two 5V connections to su...

Page 16: ...lectable range for each channel Absolute maximum input voltage CHx IN to GND 25 V max power on 12 V max power off Input impedance 35 M min Input bandwidth 3 dB All input ranges 2 MHz typ Input leakage...

Page 17: ...hardware Noise distribution is determined by gathering 50 kS with inputs tied to ground at the user connector Samples are gathered at the maximum specified sampling rate of 1 MS s Table 3 Noise perfo...

Page 18: ...DC Power up and reset state 0 V Output noise 0 53 mV rms Settling time to 0 05 20 V output step RL 5 k CL 200 pf 5 S max Absolute accuracy 0 1 Slew rate 6 7 V s typ Offset error drift 10 ppm C typ Gai...

Page 19: ...S AICKI AICKO OM USB 1208HS 2AO AICKI AICKO AOCKI AOCKO OM USB 1208HS 4AO AICKI AICKO AOCKI AOCKO Terminal types AxCKI Input active on rising edge AxCKO Output power on default is 0 V active on rising...

Page 20: ...le 10 Timer specifications Parameter Specification Timer terminal name TMR Timer type PWM output with count period delay and pulse width registers Output value Default state is idle low with pulses hi...

Page 21: ...t Analog output power calculation OM USB 1208HS 2AO OM USB 1208HS 4AO Power per output Iout 16 5 V 0 78 for example 3 mA P 0 003 16 5 0 80 63 5 mW output 5 V output power calculation Power W Iout 5 V...

Page 22: ...pecifications Parameter Specification Connector type Screw terminal Wire gauge range 16 AWG to 30 AWG Table 17 Single ended mode pinout Pin Signal name Pin Signal name 1 AIN0 29 AOUT01 2 AGND 30 AOUT1...

Page 23: ...5 AIN1 33 AOUT32 6 AGND 34 AGND 7 AIN1 35 AICKI 8 AGND 36 AICKO 9 AIN2 37 AOCKI3 10 AGND 38 AOCKO3 11 AIN2 39 TRIG 12 AGND 40 GND 13 AIN3 41 CTR0 14 AGND 42 CTR1 15 AIN3 43 TMR 16 AGND 44 GND 17 empty...

Page 24: ...y 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 limite...

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