User`s manual

NexSens Technology, Inc.
iSIC User‟s Manual 1
TABLE OF CONTENTS
1 Principles of Operation .......................................................................................................... 2
1.1 iSIC Components .................................................................................................................. 2
1.2 iSIC Specifications ............................................................................................................... 7
1.3 Typical Site ........................................................................................................................... 9
1.4 Communication ................................................................................................................... 10
1.4.1 Setting up a Cellular Modem Account ................................................................................................. 11
1.4.2 Determining the IP Address of the 3100-iSIC ..................................................................................... 15
1.4.3 Activating a Verizon CDMA 3100-iSIC Cellular Modem .................................................................. 16
1.4.4 Activating a AT&T/Cingular EDGE 3100-iSIC Cellular Modem ....................................................... 21
1.4.5 Activating a Sprint iDEN 3100-iSIC Cellular Modem ........................................................................ 24
1.4.6 Troubleshooting Cellular Connection .................................................................................................. 26
1.4.7 Checking cellular modem signal strength ............................................................................................ 28
1.4.8 Directly connecting to a 3100-iSIC data logger ................................................................................... 30
2 Sensor Interface ................................................................................................................... 31
2.1 RS232 .................................................................................................................................. 31
2.1.1 Troubleshooting RS232 Sensors .......................................................................................................... 32
2.2 RS485 .................................................................................................................................. 33
2.2.1 Troubleshooting RS485 Sensors .......................................................................................................... 34
2.3 Modbus RTU ...................................................................................................................... 35
2.4 NMEA 0183 ........................................................................................................................ 36
2.5 SDI-12 ................................................................................................................................. 37
2.5.1 Changing SDI-12 Addresses ................................................................................................................ 39
2.5.2 Troubleshooting SDI-12 Sensors ......................................................................................................... 41
2.6 Analog Sensors ................................................................................................................... 43
2.6.1 Voltage Sensors ................................................................................................................................... 43
2.6.2 4-20 mA Sensors .................................................................................................................................. 46
2.6.3 Troubleshooting Analog Sensors ......................................................................................................... 49
2.7 Thermistors ......................................................................................................................... 51
2.8 Tipping Bucket Rain Gauge ............................................................................................... 52
2.8.1 Advanced Pulse Counter Options ........................................................................................................ 53
2.9 Digital Input\Output ............................................................................................................ 54
2.9.1 Advanced DIO Options ....................................................................................................................... 55
2.10 Data Logger Connections ................................................................................................. 56
2.10.1 MS8 Connector Wiring ................................................................................................................... 56
2.10.2 DB9 Connector Wiring ................................................................................................................... 57
3 iChart Setup and Operation ................................................................................................. 58
3.1 iChart Software and iSIC Firmware Updates ..................................................................... 58
3.2 Setup Device Wizard .......................................................................................................... 59
3.2.1 Step 1 – Site Setup ............................................................................................................................... 59
3.2.2 Step 2 – Data Logger & Telemetry ...................................................................................................... 60
3.2.3 Step 3 – Sensor Setup .......................................................................................................................... 61
3.2.4 Step 4 – Output .................................................................................................................................... 62
3.2.5 Step 5 – Log ......................................................................................................................................... 63
3.2.6 Step 6 – Finish ..................................................................................................................................... 64
3.2.7 Step 7 – Retrieve an Initial Data Set .................................................................................................... 64
3.3 Retrieving Data From Sensors ............................................................................................ 65