Omega OM-NET-1608, User Manual

Page 1: ...e mail info omega com For latest product manuals www omegamanual info OM NET 1608 8 Channel Multifunction Ethernet Data Acquisition Module Shop online at omega comSM User sGuide ...

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Page 3: ...he OM NET 1608 for communication across networks 9 Configuring network alarms 10 Restoring factory default network settings 10 Calibrating the hardware 10 Chapter 3 Functional Details 11 Analog input modes 11 Software paced 11 Hardware paced 11 External components 11 Screw terminals 11 Ethernet connector 12 External power connector 13 LEDs 13 Factory reset button 13 Signal connections 13 Analog in...

Page 4: ...ut output 23 External trigger 24 External clock input output 24 Counter 25 Memory 25 Power 25 Network 26 Ethernet connection 26 Network interface 26 Network factory default settings 26 Network security 26 LED displays and the factory reset button 27 Environmental 27 Mechanical 27 Screw terminal connector 27 ...

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 text boxes and check boxes italic text Italic text is used for the names of manuals and help topic titles and to emphasize a word or phrase Where to find more information Additional information about OM...

Page 6: ...ections The OM NET 1608 is powered by a 5 volt power adapter Ethernet interface The OM NET 1608 has one built in 10 100 BASE T auto negotiation high speed communication port With the Ethernet interface you can remotely access and configure your OM NET 1608 from anywhere on the network Only one computer can control the OM NET 1608 at one time The networking protocols are TCP IP and UDP A unique med...

Page 7: ...OM NET 1608 User s Guide Introducing the OM NET 1608 7 Functional block diagram OM NET 1608 functions are illustrated in the block diagram shown here Figure 1 Functional block diagram ...

Page 8: ... for the location of the Power LED Connecting the OM NET 1608 The OM NET 1608 requires a TCP IP and UDP connection to a network or computer Use the standard Ethernet cable provided to connect the OM NET 1608 to a 10Base T or 100Base TX compatible Ethernet port hub or switch When connecting the OM NET 1608 for the first time make sure that you connect to a local network with DHCP enabled If you are...

Page 9: ...h it is connected Static The default IPv4 Address is manually configured on the OM NET 1608 IP address settings The default settings of the following IP address are assigned to the OM NET 1608 when automatic addressing is disabled or not available DHCP or Link Local for example IPv4 address The IP address that is stored on the device The default IPv4 address is 192 168 0 101 Subnet mask The Subnet...

Page 10: ...utput channel to generate specific values to indicate when the device is connected and or disconnected The settings can also be used to initialize an output to a specific value when the device connects or disconnects from the network Restoring factory default network settings To reset the network configuration settings to the factory default values complete the following steps refer to Device comp...

Page 11: ... blocks as the data is transferred from the FIFO buffer to the computer memory buffer You start a continuous scan with either a software command or with an external hardware trigger event The maximum sample rate in hardware paced mode from one to eight channels is 250 kS s aggregate on local hardwired networks may be lower over the Internet or local wireless networks External components The OM NET...

Page 12: ... 3 Power LED top Figure 3 OM NET 1608 connectors reset button and status LEDs Ethernet connector The OM NET 1608 has one 10 100 BASE T auto negotiation high speed communication port The port connector is an RJ 45 eight position connector The Ethernet port accepts CAT 5 shielded or unshielded twisted pair cable The maximum communication distance without using a repeater is 100 meters You can send y...

Page 13: ...here is no link Factory reset button Use the factory reset button to reset network configuration settings to the factory default values Refer to Restoring factory default network settings on page 10 to learn about resetting these values Signal connections Analog input You can configure the analog inputs for SE or DIFF mode The input voltage range is software selectable for 10 V 5 V 2 V or 1 V With...

Page 14: ...mpling at different ranges An example of a 4 element list is shown in the table below Sample channel gain queue list SE mode Element Channel Range 0 CH5 BIP5V 1 CH1 BIP10V 2 CH3 BIP1V 3 CH5 BIP5V Carefully match the gain to the expected voltage range on the associated channel or an over range condition may occur Although this condition does not damage the device it does produce a useless full scal...

Page 15: ...t an external clock signal to AICKI When using the internal clock AICKO outputs the ADC scan clock Digital I O You can connect up to eight digital I O lines to DIO0 through DIO7 Each digital channel is individually configurable for input or output The digital I O terminals can detect the state of any TTL level input and offer advanced BiCMOS output Refer to the schematic shown in Figure 5 Figure 5...

Page 16: ...uals manualpdf M4830 pdf Trigger input The TRIG terminal is an external digital trigger input The trigger mode is software selectable for edge or level sensitive Edge sensitive mode is configurable for rising or falling edge Level sensitive mode is configurable for high or low level The default setting at power up is edge sensitive rising edge Counter input The CTR terminal is a 32 bit event count...

Page 17: ...OM NET 1608 User s Guide Functional Details 17 Mechanical drawings Figure 8 OM NET 1608 circuit board dimensions ...

Page 18: ...OM NET 1608 User s Guide Functional Details 18 Figure 9 Bottom enclosure dimensions ...

Page 19: ...User s Guide Functional Details 19 Figure 10 Top enclosure dimensions DIN rail compatible The OM NET 1608 can be mounted on a DIN rail using the OM NET DINRAILKIT accessory Refer to our website for more information ...

Page 20: ...e to AGND 2 V range 9 5 V max relative to AGND 1 V range 9 0 V max relative to AGND Common mode rejection ratio fIN 60 Hz all input ranges 86 dB Crosstalk Adjacent differential mode channels DC to 10 kHz 75 dB Input coupling DC Sample rate 0 019 Hz to 250 kHz Software selectable Trigger source TRIG see External trigger on page 24 Sample clock source Internal A D clock or external A D clock AICKI p...

Page 21: ...onnected to AGND at the input terminal block and 16384 samples are acquired at the maximum rate available at each setting Table 3 Noise performance specifications Range Counts LSBrms 10 V 6 0 91 5 V 6 0 91 2 V 7 1 06 1 V 9 1 36 Settling time Settling time is defined as the accuracy that can be expected after one conversion when switching from a channel with a DC input at one extreme of full scale ...

Page 22: ...00 S s typ on local network Note 4 Slew rate 5 V µs Throughput Software paced 1000 to 5000 S s typ on local network Note 4 Note 2 Leave unused AOUTx output channels disconnected Note 3 AOUTx defaults to 0 V whenever the device is powered on or a reset command is issued to the device unless the alarm functionality is enabled for the output Note 4 This is the typical throughput when the device and h...

Page 23: ... typ on local network Note 5 Alarm functionality Any combination of DIO bits may be configured to become outputs and go to defined values when an Ethernet connection with a host is established or lost Power on and reset state All bits are input unless the alarm functionality is enabled for them Input high voltage threshold 2 0 V min Input high voltage limit 5 5 V absolute max Input low voltage thr...

Page 24: ...ow voltage limit 0 5 V absolute min 0 V recommended min External clock input output Table 12 External clock I O specifications Parameter Specification Terminal names AICKI AICKO Terminal types AICKI Input receives A D pacer clock from external source AICKO Output outputs internal A D pacer clock Input clock rate 250 kHz max Clock pulse width AICKI 1 µs min AICKO 1 8 µs min Clock mode Edge sensitiv...

Page 25: ...50 ns min Low pulse width 50 ns min Memory Table 14 Memory specifications Parameter Specification Data FIFO analog input 49 152 samples Non volatile memory 2 048 bytes 768 bytes for calibration 256 bytes for user 1 024 bytes for network settings Power Table 15 Power specifications Parameter Condition Specification External power supply 5V 1A Supply current Quiescent current 330 mA typical Note 6 7...

Page 26: ...twork name E 1608 xxxxxx where xxxxxx are the lower 6 digits of the device MAC address Network name publication By NBNS responds to b node broadcasts therefore only available on the local subnet Network factory default settings Table 18 Factory default specifications Parameter Specification Factory default IP address 192 168 0 101 Factory default subnet mask 255 255 255 0 Factory default Gateway 1...

Page 27: ...applying power to the device and continue to hold for 4 seconds the device LEDs stay off and then both the Power and Activity LEDs blink once indicating that the settings have been restored to the defaults Release the button so the device continues startup with the default settings If the button is released before the two LEDs blink the settings are not affected and the device starts up normally E...

Page 28: ... Digital I O bit 4 6 AGND Analog ground 22 DIO5 Digital I O bit 5 7 CH2H Channel 2 high SE channel 4 23 DIO6 Digital I O bit 6 8 CH2L Channel 2 low SE channel 5 24 DIO7 Digital I O bit 7 9 AGND Analog ground 25 GND Digital ground 10 CH3H Channel 3 high SE channel 6 26 VO User voltage output 11 CH3L Channel 3 low SE channel 7 27 GND Digital ground 12 AGND Analog ground 28 AICKO External clock pacer...

Page 29: ...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 This WARRANTY is VOID if the unit shows evidence of having been tampered with or ...

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