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Summary of Contents for NexSens Technology iSIC-OEM
- Page 1 1328 Parkway Court • Beavercreek • OH • 45432 Phone: (937) 426-2703 • Fax: (937) 426-1125 • E-Mail: info@NexSens.com Visit us on the web at http://www.NexSens.com iSIC-OEM – Intelligent Sensor Interface for Control Operations Manual and Reference Guide Revision 07.06.21...
- Page 2 NexSens Technology, Inc. iSIC User’s Manual...
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Page 3: Table Of Contents
NexSens Technology, Inc. TABLE OF CONTENTS Principles of Operation ..................... 5 iSIC-OEM Components ..................5 iSIC Specifications....................8 iSIC-OEM Telemetry ....................10 iSIC-OEM - Direct to PC .................. 10 2.1.1 Typical Site..........................10 2.1.2 Communication........................11 iSIC - RS485 ........................13 2.1.3 Communication........................13... - Page 4 NexSens Technology, Inc. Maintenance ........................52 Advanced iSIC Diagnostics................... 53 What COM port am I using?................. 53 Cannot communicate to an iSIC: ................55 Sensor Diagnostic Tools................. 58 Appendix ..........................62 Appendix A: Safety......................62 Appendix B: Warranty and Service ..............63 Appendix C: Options and Accessories ...............
- Page 5 NexSens Technology, Inc. About NexSens Technology, Inc. NexSens Technology, Inc. was started in the 1990s with a mission to advance the capabilities and simplify the development of environmental monitoring systems. Our main focus is on the creation of easy-to-use computer software and powerful communications technology to provide advanced remote data acquisition and data logging systems.
- Page 6 Resistor pack (includes four 56Ω resistors) Two feed-through gland fittings Some versions of the iSIC-OEM may come with the additional optional accessory: Stainless Steel Enclosure Be sure to check for all signs of visible damage due to shipping – cracks in the enclosure, damage to the enclosure’s seal.
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Page 7: Principles Of Operation
In addition, the box will be undamaged by the formation of ice on the enclosure. A number of connectors are located externally on the iSIC-OEM enclosure: ▫... - Page 8 Fuse – A fuses is located at the top right edge inside the iSIC enclosure. This fuse connects to the external power source. The iSIC-OEM comes preinstalled with a 3A time delay or slow blow fuse, max rating for 250VAC.
- Page 9 NexSens Technology, Inc. Digital and Analog Connectors: 1-SDI-12 16-Tip 2-SW.A 15-Ring iSIC DB9 3-BAT 14-Ex.5V Female Connector 13-AD0 4-GND 12-AD1 5-P1.Rx 11-AGND 6-P1.Tx 10-AD2 7-GND 9-AD3 8-P2.Rx 8-AGND 9-P2.Tx 7-AD4 10-GND 6-AD5 11-P3.Rx 5-AGND 12-P3.Tx 4-AD6 13-GND 3-AD7 14-DIO0 2-AGND...
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Page 10: Isic Specifications
NexSens Technology, Inc. 1.2 iSIC Specifications Analog Inputs Standard: 4 differential or 8 Single-Ended Optional: 4 differential or 8 Single-Ended additional 0-2.5V auto range. 12-bit resolution. Analog Outputs Two 12-bit channels 0-5V or 0-2.5V Programmable Pulse Counters One tipping bucket counter, max rate: 12Hz... - Page 11 NexSens Technology, Inc. Dimensions: (NEMA 4X Enclosure): 8.4” x 6.4” x 4.9” (inches) iSIC User’s Manual...
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Page 12: Isic-Oem Telemetry
2.1 iSIC-OEM - Direct to PC 2.1.1 Typical Site The NexSens iSIC-OEM supports direct connect communication between a remote monitoring site and a computer base station. It is the most desirable system for a monitoring site that is under 250ft away from the monitoring station, and where a cable can easily run between the two. -
Page 13: Communication
For real time connection to your data logger, A60-A64-OEM Cables will need to be used. The MS4 connector is located on the outside of your iSIC-OEM enclosure, simply connect the MS4 connector on the A60-A64-OEM DB9 to MS4 cable to the MS4 connector located on the iSIC and the DB9 connector to an open COM port on a PC running iChart software. - Page 14 NexSens Technology, Inc. MS4 Pin Description: Color Signal Black Power Yellow iSIC Rx Orange iSIC Tx iSIC User’s Manual...
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Page 15: Isic - Rs485
2.2 iSIC - RS485 2.2.1 Communication The NexSens iSIC-OEM supports RS485 communication, at either 9600 or 19200 baud, between the data logger and a RS485 network. RS485 connections are available on the MS8 connector, located on the outside of iSIC enclosures. -
Page 16: Isic - Modbus
NexSens Technology, Inc. 2.3 iSIC - Modbus 2.3.1 Communication The NexSens iSIC-OEM supports Modbus RTU communications over RS232 or RS485. Implementation: Modbus RTU over RS232 or RS485. • Baud rates: 19200 or 9600 at No Parity, 8 Data Bits, and 1 Stop Bit •... - Page 17 NexSens Technology, Inc. readings from the sensors after a few minutes in the lab. After receiving a few readings, the data logger should be set to a 0 minute log interval. After you have setup the data logger and have received a few good readings, go to the Advanced | iSIC | iSIC menu.
- Page 18 NexSens Technology, Inc. Also double check to make sure you have selected the right COM port and communication settings. After iChart has successfully read the status information, it will be displayed on the bottom of the screen Here you will be able to setup the iSIC for your Modbus network. Place a check mark near the Communication options you would like to change.
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Page 19: Troubleshooting A Direct Connect Data Logger
NexSens Technology, Inc. 2.3.2 Troubleshooting a Direct Connect Data Logger If at some point an iSIC no longer responds to iChart software there a few steps to follow to troubleshoot the connection: 1. First, make sure the COM port entered into iChart is correct (See the section “What COM Port am I using?”... -
Page 20: Sensor Wiring
NexSens Technology, Inc. 3 Sensor Wiring 3.1 RS232 In addition to the single RS232 port located externally on the iSIC via the MS8 connector, three RS232 ports are available on the internal Digital terminal strip. Ports 1, 2, and 3 are available for use.
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