AquaMon® User Guide for Remote Sensor Viewing Platform User's Guide

Using RSVP to view sensor data from teh field



Cermetek?s Remote Sensor Viewing Platform (RSVP) is a key element in the AquaMon agricultural remote monitoring and control system. RSVP receives data from the field, processes and archives the data on a secure server, and makes the data available to the grower. RSVP provides for bi-directional communication with the AquaMon field deployed Sensor Nodes. This allows the grower to remotely activate pumps and valves as well as modify sensor sampling and reporting frequencies. This document steps through the various RSVP dialog windows and serves as an introduction to RSVP?s capabilities and operation.

Figure 1 contains a block diagram illustrating the four primary RSVP functions.  RSVP is Internet Cloud based and, as such, executes these four functions while running on the Cermetek Internet server.

Figure 1: RSVP Block Diagram

Network Communications:RSVP manages communications with the cellular equipped AquaMon Sensor Nodes. It accepts incoming Sensor Node data and passes control information back to the Sensor Node. Control information includes remote activation of equipment and parameter modification of field installed Sensor Units.

Database Management: Continuous collection of sensor data results in a large accumulation of data. RSVP organizes and archives the sensor data. This allows the grower to view historical data in the same uniform, viewable manner as current and future data.

Data Processing: RSVP manipulates received sensor data, as needed, for functions such as alarm reporting and CWSI calculations. RSVP compares current data to each alarm setting to determine if the alarm condition has been met. For the case of LeafMon, RSVP performs a series of calculations using the received Sensor Node data culminating in a calculated Crop Water Stress Index value.

User Interface: RSVP provides the grower with an intuitive, user-friendly interface that allows access to all data, including all calculated values. RSVP continuously updates the AquaMon web site with the sensor data received from field deployed Sensor Nodes. RSVP also accepts control inputs from the growers; This and other functions are accomplished in a seamless manner; All RSVP data can be downloaded by the user.

Access to the sensor data and control capabilities of RSVP requires a User Name and Password. These security measures protect each customer?s data from prying eyes. A unique default User Name and Password is assigned by Cermetek at the time the RSVP account is created, but the grower may change the password at any time Cermetek Secure Passwords contain a minimum of eight characters and MUST contain at least one each of the following:

  • Upper case letter.
  • Lower case letter.
  • Algebraic Number.
  • Control character Valid control characters include: ?@,? ?#,? ?$,? ?%,? ?^,? ?&,?.?*,? ???

Figure 2A shows an example of the AquaMon RSVP Login dialog window. Figure 2B shows an example of the AquaMon RSVP Change Password dialog window.

login window

Figure 2A: Login Dialog Window

Change Password

Figure 2B: Change Password Dialog Window


Upon successful login, users are directed to a dialog window presented in one of three RSVP data display formats. Refer to sample images of each display format in Figures 3A-3C:

Dashboard Mode displays the current sensor data; Only current can be data displayed.

Chart Mode displays data in graphical format. User specifies time period of the data to be displayed.

Table Mode displays data in tabular format. A scroll bar selects the time period for of the data to be viewed including all historical information.

Users toggle between the three display options from RSVP?s View Style drop-down menu.

Dashboard Display

Figure 3A: Dashboard Mode

RSVP Chart Mode

Figure 3B: Table Mode

RSVP Table Mode

Figure 3C: Table Mode


Figure 4 contains a typical RSVP Chart Mode sensor data display window. The data can be viewed in Chart Mode, Table Mode or Dashboard Mode format. The sensor data display format is selected from the View Style drop-down menu. Key features of the RSVP sensor display window are briefly described below.

RSVP Data Display

Figure 4: Typical RSVP Data Display

Menu Tool Bar: RSVP users navigate through the many features of RSVP using the five drop-down menus located in the tool bar displayed across the top of the data dialog window. The five drop-down menus are labeled: AquaMon, View Style, Manager, Tools, and Logout. Momentarily placing the cursor over any of these labels causes a drop-down menu to appear from which the user selects an action.

Sensor Unit Name:Each Sensor Unit is identified by a unique name. Cermetek assigns the name when the RSVP account is established. The Node Setup dialog window, accessed from the Manager drop-down menu, allows the grower to change the name of the Sensor Unit.


The Sensor Unit Name is the name assigned to each Node. The AquaMon System is comprised of two types of Sensor Units: Physical Nodes and Virtual Nodes. Each Sensor Unit?s name is reported as a separate listing in the body of the AquaMon drop-down menu.

Cellular Power: The display for every cellular equipped Cermetek Physical Node includes a set of 5 ascending bars indicating current cellular connectivity signal strength. If the display regularly shows only one bar, there will likely be intermittent cellular connectivity. Cermetek recommends that the system (or at least the antenna) be moved to a location with improved cellular coverage. Contact Cermetek for alternate antenna configurations.

Current Date: All RSVP data display windows contain the current calendar date in the format mm/dd/yyyy.

Pump Activation Button: RSVP permits remote control of valves and pumps by selecting the soft key Pump Activation button. When selected, RSVP sends a signal to the field deployed Physical Node activating/deactivating the connected equipment. A selected button changes color to yellow. Upon confirmation, the color changes to green for ACTIVATION (i.e., ON) and red for DEACTIVATION (i.e., OFF).

Remotely activating a pump in the field can be hazardous to persons at the remote location. Warning signs should be placed in the area to alert those present that the pump may activate while unattended.


RSVP features are accessed through the drop-down menus located at the top of each dialog window. The menus are labeled: AquaMon, View Style, Manager, Tools, and Logout.

AquaMon Drop-Down Menu: Placing the curser over the AquaMon drop-down menu reveals a list of Sensor Units associated with the current RVSP account. Selecting a Sensor Unit names causes RSVP to display the sensor data for that Sensor Unit. The display will be in Dashboard Mode, Chart Mode, or Table Mode format.

The AquaMon System consists of two types of nodes referred to as Physical and Virtual Nodes. RSVP displays Physical and Virtual Nodes separately.

Physical Nodes: Some AquaMon nodes contain a device which connects the node to the Internet (e.g., cellular modem, Ethernet link, etc). These are the AquaMon Physical Nodes. RSVP displays the sensor data for sensors electrically connected to Connector J1 on the AquaMon Physical Node PCB, see Figures 5A and 5B, when the Physical Node Sensor Unit Name is selected from the AquaMon pull-down menu. A Physical Node will support multiple electrical connections to Connector J1.

Sensor interface

Figure 5A: AquaMon Interface J1 Connector

Sensor interface

Figure 5B: AquaMon Interface J1 Connector

Virtual Nodes: Virtual Nodes are sensor suites which connect to the AquaMon through a connection other than Connector J1. These nodes utilize the AquaMon nodes Internet connection but RSVP displays their sensor data as if they were independent nodes. LeafMon instruments and Weather Stations are examples of Virtual Nodes.

Physical and Virtual Nodes have separate and unique Sensor Unit Names. These names appear as individual Sensor Unit Names on the AquaMon pull-down menu. Selection of the specific LeafMon and/or Weather Station Sensor Unit Name is required to display the associated sensor data.


View Style Drop-Down Menu. The View Style drop-down menu allows the grower to choose from 3 data/period display options and from 3 data display modes as described below.

Archive Data allows the review of historical sensor data (i.e., data > 360 days old). The RSVP data display window contains a date selection bar at the bottom of the window indicating the date when the RSVP account was activated.The grower specifies the date from which he wishes to view his archived data.

Current Data causes RSVP to display the most recent sensor data available.

Chart Period allows the grower to select the period of time for which the Chart Mode displays the sensor data. Adjusting the Chart Period allows the user to expand or contract the display time period. This feature lets the grower view small detail changes over short periods of time or to monitor trends over the entire growing season. The available settings range from as short as 24 minutes up to as long as 360 days.

RSVP Chart

Figure 6: RSVP Chart Mode Display.

Chart Mode causes RSVP to display the sensor data as a line chart, refer to Figure 6. The vertical axis always indicates the sensor value and the horizontal axis always indicates the time of each reading. To obtain more detail information for a specific data point, simply move the cursor over the data line and RSVP will display an embedded pop-up window containing detailed date, time and sensor value information.

RSVP Data Table

Figure 7: RSVP Table Mode Display.

Table Mode is an alternative data display mode that provides sensor date in a tabular format, refer to Figure 7. The left most column of the RSVP Tabular format contains the time the sensor readings were recorded. The various Sensor Unit data values are displayed in columns to the right of the Time column. When in Table Mode, the entire history of the RSVP account sensor data can be viewed by moving the scroll bar (located to the far right of the Table Mode display window) up/down. Unlike the Chart Mode, there is no need to select a time period to view the desired data.

Dashboard Mode offers a quick view of the current sensor values for all Sensor Units associated with the Sensor Node.  There are no options to modify when in Dashboard Mode, refer to Figure 8.
Manager Drop-down Menu:  This menu provides access to the configuration options for all the Sensor Nodes associated with the RSVP account.  The options controlled under this are discussed below.

Dashboard display

Figure 8: RSVP Dashboard Mode Display

A Schedule Setup dialog window is shown on the Manager drop-down menu but is not yet fully operational.  When completed, this feature will allow the grower to schedule different sensor data collection and reporting times throughout the 24 hour/7 day cycle as well as schedule pump activation/deactivation times.
The Scale/Alarm Setup dialog window allows the grower to control of the scale and color of the Chart display and alarm settings. Each Sensor Unit has its own Scale/Alarm Setup dialog window. Refer to Figure 9 for an example of a Scale/Alarm Setup dialog window.
Entering the minimum and maximum values for Scale sets the range of the Chart?s y-axis.  Alarm conditions, values and associated alarm messages are also set in this dialog window.

Alarm Setup

Figure 9: RSVP Scale/Alarm Setup Dialog Window

RSVP provides for two sets of alarm notification conditions, Alarm and Action, for both the high level and low level cases. The grower selects the conditions to be applied to the sensor data by checking the appropriate Enable box.

Alarm levels appear on the Chart display as dotted lines in the color specified. When either High Alarm or Low Alarm setting conditions are met, RSVP generates a red flashing Sensor Unit header on the data display window. When either High Action or Low Action setting conditions are met, RSVP sends the associated alarm message by Email (or SMS TXT) to the Email address (or phone number) specified in the Alarm Options dialog window.

The Alarm Options dialog window allows the grower to specify the destination and frequency of the Email and SMS TXT Alarm messages. Multiple destination Email addresses and phone numbers may be entered by separating each address and/or phone number by a comma. Individual Email addresses are limited to 32 characters.

Alarm Options

Figure 10: RSVP Alarm Options Dialog Window.

The Alarm Options dialog window also allows the grower to specify the frequently at which the alarm message(s) are to be issued and the conditions upon which the alarm is to be cleared. This feature gives the grower the ability to establish the relative criticality of each alarm condition. Refer to Figure 10 for a sample of the Alarm Options dialog window.
The Node Setup dialog window allows growers to set the frequency at which the sensors are sampled and the data uploaded to RSVP, refer to Figure 11.

Node Setup

Figure 11: RSVP Node Setup Dialog Window.

The Upload Period is of critical importance for battery powered installations. This is because cellular modems require large amounts of power to communicate. If the Sensor Node uploads data too frequently, the additional power demand can drain the battery beyond the capability of the solar panel to recharge it ? particularly under adverse conditions such as evenings and cloudy days. Managing data uploads greatly affects the system?s power reserves.

The Node Setup dialog window also shows a description of each Sensor Unit and the system channel on which it is connected. While it is possible for the grower to modify these settings, Cermetek strongly recommends that the grower rely on the default settings supplied by the factory. Do not modify this information without specific instructions from Cermetek.

The Probe Setup dialog window provides a list of Sensor Units which Cermetek has previously defined for use with the various AquaMon systems and RSVP. Growers wishing to add new Sensor Units to their existing AquaMon system are encouraged to select from this list. Should the grower require a Sensor Unit not included in the list, Cermetek recommends that the grower contact Cermetek for possible inclusion of the new Sensor Unit into the Probe Setup list. Cermetek engineers will assist with the integration of the new Sensor Unit. Figure 12 shows an example Probe Setup dialog window.

Tools Drop-down Menu: This menu provides the grower with access to important administrative functions as described below.

Probe Setup

Figure 12: RSVP Probe Setup Dialog Window

The Change Password dialog window allows the grower to change the password used to access his RSVP account. Cermetek recommends that the password be changed at least once a year to maintain data security. Refer to Figure

13 for a sample of the Change Password dialog window.

Cermetek strictly defines the password format to insure only strong passwords are used. Cermetek Secure Passwords contain a minimum of eight characters and MUST contain at least one each of the following:

  • Upper case letter.
  • Lower case letter.
  • Algebraic Number.
  • Control character. Valid control characters include: ?@,? ?#,? ?$,? ?%,? ?^,? ?&,?.?*,? ???

Change Password

Figure 13: RSVP Change Password Dialog Window

Refer to Figure 2B for an example AquaMon RSVP Login dialog window.

When Download is selected, RSVP attempts to download the complete current database. The database for each Sensor Unit is maintained separately. RSVP will prompt the user to select the Sensor Unit Upon selection, the database file will be downloaded in Excel format.

The RSVP Download feature is intended for use by the grower to create independent back-up copies of all Sensor Unit data and calculated values.

Logout: The Logout function provides a controlled exit from RSVP. Selecting Logout from the Tool Bar when in any dialog window will cause RSVP to logout the current user.

The Grower should never exit the RSVP Web Site without properly logging out; Failure to do so may result in exposure of Grower data to unauthorized parties.

After logging out the user is returned to the RSVP login dialog window. Resuming RSVP activities requires logging back into the RSVP account.

All Cermetek Weather Stations are electronically connected to an AquaMon controller. Collected weather sensor data is transferred to RSVP through the AquaMon controller. RSVP treats the Weather Station sensor suite as a Virtual Node. The Sensor Unit Name appears in the AquaMon drop-down menu as a separate item even though the Weather Station connects to the Internet through the host AquaMon node?s cellular modem.A description of the displayed weather data is provided below. Refer to Figure 14 for an example of Weather Station data;
Note the Pop-up data box.This RSVP feature is available for all Chart Mode data displays.
Temperature: Ambient temperature reported in either Celsius or Fahrenheit degrees.
Humidity: Displays the percent Relative Humidity.
Barometer: Shows actual barometric pressure. This value is NOT normalized or adjusted for elevation. Value is displayed in inches of mercury.
Wind Speed Avg: Displays average wind speed in mph.
Wind Speed Gust: Displays peak wind speed in mph.
Wind Direction: Shows True (not magnetic) compass direction in positive degrees relative to True North (0 degrees).
Rain Fall: Displays rainfall in inches.


Figure 14: Weather Station Chart Mode Data Display


All LeafMon Sensor Suites are electronically connected to an AquaMon controller. Collected sensor data is transferred to RSVP through the AquaMon controller. RSVP treats the LeafMon Sensor Suite as a Virtual Node. The Sensor Unit Name appears in the AquaMon drop-down menu as a separate item even though the LeafMon Sensor Suite connects to the Internet through the host AquaMon node?s cellular modem. A description of the displayed sensor data is provided below.  Refer to Figure 15 for an example of LeafMon Sensor Suite data.

MCWSI: Displays the calculated Crop Water Stress Index value. RSVP calculates the Crop Water Stress Index using the data collected by the LeafMon Sensor Suite MCWSI has no units.
Leaf Temperature: Reports leaf temperature measured by the infrared thermometer in degrees Celsius.
Air Temperature: Shows the ambient air temperature in degrees Celsius.
Humidity:Reports the precent relative humidity.
PAR:  Displays the Photosynthetically Active Radiation (PAR) level in mW/m2.
Wind Speed: Displays wind speed in meters/second.

LeafMon Display

Figure 15: LeafMon Sensor Suite Chart Mode Display


The purchaser/installer/user of the Cermetek Microelectronics INC RSVP Web Site to monitor and control Cermetek AquaMon, LeafMon, Weather Stations and associated systems including various ancillary sensor products agrees to indemnify, defend, and hold harmless Cermetek Microelectronics, INC, it affiliates and their respective owners, investors, contractors, officers, directors, members, managers, partners, shareholders, licensors, suppliers, customers, employees, agents, third-party advertisers, technology providers and service providers from and against any loss, damage, cost, or liability (including reasonable attorneys' fees) resulting from or relating in any way to a third-party claim, demand, action or proceeding that arises out of the installation or use of any Cermetek AquaMon, LeafMon, Weather Stations and/or associated system including various ancillary sensor products, including but not limited to in relation to your use, non-use or misuse of, or connection to the Cermetek AquaMon, LeafMon, Weather Stations and/or associated system including various ancillary sensor products, the RSVP Software Services and any Content (including without limitation your Content and any third party Content) forming part of the Cermetek Microelectronics INC RSVP Web Site.