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OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our 

customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2016 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, 

reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior 

written consent of OMEGA ENGINEERING, INC.

FOR 

WARRANTY

 RETURNS, please have the  

following information available BEFORE contacting 

OMEGA:
1.   Purchase Order number under which the product 

was PURCHASED,

2.   Model and serial number of the product under 

warranty, and

3.  Repair instructions and/or specific problems  

  relative to the product.

FOR 

NON-WARRANTY

 REPAIRS, consult 

OMEGA for current repair charges. Have 

the following information available BEFORE 

contacting OMEGA:
1.  Purchase Order number to cover the COST  

  of the repair,
2.  Model and serial number of the product, and
3.  Repair instructions and/or specific problems  

  relative to the product.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE 

RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) 

NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING 

DELAYS). The assigned AR number should then be marked on the outside of the return package and on any 

correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent 

breakage in transit.

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a 

period of 

13 months

 from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace 

period to the normal 

one (1) year product warranty

 to cover handling and shipping time. This ensures 

that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service 

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. This WARRANTY is VOID if the unit shows evidence of  

having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; 

or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating 

conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not  

limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,  

OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for 

any damages that result from the use of its products in accordance with information provided 

by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the 

company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR  

REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF 

TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY 

AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF  

LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of  

OMEGA with respect to this order, whether based on contract, warranty, negligence,  

indemnification, strict liability or otherwise, shall not exceed the purchase price of the  

component upon which liability is based. In no event shall OMEGA be liable for  

consequential, incidental or special damages.

CONDITIONS:  Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic 

Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical 

applications or used on humans. Should any Product(s) be used in or with any nuclear installation or 

activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility 

as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify 

OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the 

Product(s) in such a manner.

Summary of Contents for OM-NET-1608

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 ...

Page 2: ... notice Servicing North America U S A Omega Engineering Inc One Omega Drive P O Box 4047 Stamford CT 06907 0047 USA Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Canada only Engineering Service 1 800 872 9436 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 ...

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 ...

Page 30: ...rbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U Industrial pH Conductivity Equipment DATA ACQUISITION M U Data Acquisition Engineering Software M U Communications Based Acquisition Systems M U Plug in Cards for Apple IBM Compatibles M U Data Logging Syste...

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