YSI pH 1110 User Manual
YSI incorporated
YSI Profiler System
User’s Manual
Table of Contents
Page
Section 1 Introduction
1.1 System Overview 1-1
1.2 System Description 1-1
1.3 Getting Started 1-4
Section 2 Profile Routine
2.1 Software Installation 2-1
2.2 Using Profile Wizard to Create a Profile Routine 2-4
2.3 How the CR10X Executes a Profile Routine 2-17
Section 3 Equipment Staging – Sonde & Components
3.2 Setting Sonde Parameters 3-1
3.3 Connecting & Checking Profiler Components 3-9
Section 4 Equipment Staging – PC / CR10X Communications
4.1 Introduction 4-1
4.2 Setting Up Communication from PC to Station 4-1
4.3 Downloading Program File to Station 4-10
Section 5 Pre-Deployment Testing
5.1 Setting Up LoggerNet for System Testing 5-1
5.2 Testing with Ports and Flags 5-6
5.3 Start a Profiling Sequence 5-12
Section 6 Deployment & Maintenance
6.1 Transporting Platform to Profile Location 6-1
6.2 Testing Communications 6-3
6.3 Maintenance – Servicing Sonde 6-4
6.4 Maintenance – Servicing Other System Components 6-5
6.5 Maintenance Schedule 6-7
Section 7 Data Collection & Analysis
7.1 Data Collection 7-1
7.2 YSI Profile Data Manager 7-1
7.3 Data Analysis 7-2
7.4 Automation Setup 7-6
7.5 FTP Site Test 7-13
3.1 Introduction 3-1
i
Section 8 Appendices
A
B Software File Reports
C I/O Module Configuration
D YSI Parameter ID Numbers (CR10X)
E Required Notice
F Material Safety Data Sheet(s)
G Data File Array Numbers
H Supplementary Information
Warranty & Service Information
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Section 1
Introduction
1.1 System Overview
The YSI Profiler is an integrated system of hardware and software, typically mounted to a
floating platform (pontoon or buoy). The Profiler is anchored at a predetermined site on a lake,
reservoir or bay, and used for vertical profiling a column of water. The system employs a YSI
sonde to periodically measure water parameters in the column. The user inputs information
through YSI Profile Wizard (PC-based) to create a program that is downloaded to a Campbell
Scientific CR10X data logger that resides on the Profiler platform. The CR10X controls the
Profiler winch to move the sonde up and down through the water column and command data from
sensors at specified intervals. The system may also include a depth sounder (or fixed reference
sonde), compass and meteorological sensors for collecting additional data at the site. The remote
data collection system operates on programmed software instructions, and when polled, it sends
data via a wireless communication link back to one or more base stations. LoggerNet™ is a PCbased program used to communicate with the CR10X data logger, which keeps track of the last
samples uploaded. The YSI Profile Data Manager™ is a PC-based program that may be used to
analyze and manage profile data.
1.2 System Description
The YSI Profiler pontoon version consists of the YSI 6960 Controller Assembly and the YSI
6955 Winch Assembly, both mounted to a T-Frame support. Figure 1-1 should help you to
visualize the hardware. The software programs are described in later sections.
Figure 1-1 Profiler Platform: On Boat Ramp for Pre-deployment Check (Panels Removed)
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The YSI Profiler System may be configured in a fixed station version as shown in Figure 1-2.
Here the YSI 6955 Winch Assembly is mounted to a pylon and the YSI 6961 Controller
Assembly is rail-mounted and housed inside a NEMA enclosure.
Figure 1-2 YSI Profiler Fixed Mount Version: mounted to pylon and guard rail
The YSI 6960 (or 6961) Controller is the heart of the system. It includes a Campbell Scientific
CR10X-2M data logger, an SDM SIO4 module, a motor control system (with two relays), a
watchdog timer and a communication module. These components are housed within a watertight
enclosure to protect the electronics from the environment. In Figure 1-4, gray shaded
components are those housed within the enclosure. Note that variable water depth can be
monitored by the Depth Sounder or a Fixed Reference Sonde depending on the deployment
requirements.
The CR10X program executes commands that collect information from the sonde and various
peripherals. This information is then used by the CR10X to strobe its I/O ports and performs
mechanical actions, such as energize the power relay that controls the winch motor to move the
sonde to a new location in the water column.
The YSI 6955 Winch Assembly is driven by a 12 VDC motor. The Winch Assembly includes a
reinforced Kevlar® sonde cable that is approximately 0.3 inch in diameter and 15 meters in
length for vented cables. For non-vented cables sonde cables the diameter is approximately 0.25
inch with lengths from 30 to 100 meters. The Winch Assembly is primarily composed of PVC
and Delrin® parts to maximize resistance to environmental damage. The motor is a small
horsepower motor geared down to lift the required weight of a YSI sonde (including attached
weight and cable). The total weight of the sonde in water is about 8 lbs. The motor is coupled to
the drum axle via a robust planetarium gear assembly that incorporates a 90 degree gear coupler.
The Motor Control Circuit Breaker module is controlled by the CR10X. It functions as the main
power OFF/ON to the motor and as a current limiter. In the event the motor draws excessive
power, the current increases. Once it reaches a set threshold the module terminates motor power.
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The program makes a second and third attempt to run the motor. If current threshold is still
exceeded, the program aborts to SETUP mode.
Figure 1-3 Block Diagram – YSI Profiler Control and Winch Assemblies
The Watch Dog circuit provides a 90 to 120 second power interrupt to the CR10X in the unlikely
event the program fails to execute as expected. It takes approximately 36 hours of no SDM I/O
port activity for the Watch dog to time out. After 36 hours the program will re-initialize to
SETUP mode which then requires manual operator intervention to restart the profiling program.
A belt-driven diamond screw and a V-roller suspension assembly help guide the sonde cable as it
moves in and out of the winch drum. This level wind mechanism is powered and synchronized
by the motor drive timing pulley. The design of the driving pulley, the speed reducing pulley,
and the reverse screw allows the cable carriage guide to move laterally at the correct speed to
properly lay the cable on the drum. See Section 3 for details.
Other components required for the system include a 12 volt battery, solar panels, and solar
charger/regulator. Optional equipment includes a depth sounder (or a fixed reference sonde) to
measure the water level, meteorological sensors, beacons, telemetry modules, antennas, compass,
and counter weights for stabilizing the platform.
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When connected the Winch and Controller assemblies perform the required steps to collect sonde
data from the water column. The sequence at which it collects data depends on how the software
program is set up. Information in the following sections provides step-by-step instructions that
take you through pre-deployment setup operations, some tips on deployment, and routine
maintenance of the Profiler system.
1.3 Getting Started
Core components of the YSI Profiler are assembled and tested at the factory. Some assembly will
be required after delivery depending on what you ordered and what arrangements you made when
the system was purchased. In addition, some components specific to your application may need
to be installed. Contact information for YSI and Endeco/YSI can be found in Appendix A.
Initial Inspection
Carefully unpack components and accessories of the system. Visually inspect all parts for
damage. Compare received parts with materials listed on the packing list included with your
system. If any parts or materials are missing or damaged, contact Endeco/YSI .
Sonde
The Profiler system requires the use of a YSI 6-Series Sonde with a depth sensor. Please refer to
the Operations Manual accompanying the sonde for configuration and calibration details. You
will be prompted to enter specific sonde information that can only be set in the sonde menu. To
communicate with the sonde you need a terminal emulator program on your PC such as YSI
EcoWatch™, Microsoft ® HyperTerminal, or the equivalent. You may also use the YSI 650
MDS handheld monitor. Specific instructions can be found in Section 3 of this manual. You will
be prompted by Profile Wizard to verify these sonde settings during pre-deployment
configuration.
Software
Three PC software programs are available with your system. In Section 2 there are specific
instructions for installing these programs on your PC. The first, YSI Profile Wizard provides you
with step-by-step screens that allow entry of key parameters that define your profiling routine.
These parameters are then used to configure the controlling software. If you have not done so,
take time to sketch out your vertical profiling objectives, including depths, parameters to be
measured, intervals, up/down or down/up preferences, and any other information you think
relevant. The second software program is LoggerNet™ (licensed from Campbell Scientific Inc.).
This program allows you to communicate with the CR10X data logger that resides on the Profiler
platform. It is used to download profile information that you defined in Profile Wizard.
LoggerNet™ comes with a separate manual. You should take time to review this manual prior to
setting up your system. The third software program is Profile Data Manager™. You use this
program for data analysis once data is collected. You will learn more about this program in
Section 7.
Hardware & Electronics
The major hardware/electronics components of the system are preassembled and tested at the
factory. Most of these components mount to the T-frame that you see in Figure 1-1. The T-frame
assembly is shipped to you, and must be mounted to the deck of the float. After factory testing
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some components are dismounted for safe shipping. These will need to be remounted. More
about hardware components are covered in Sections 3, 4 and the Appendix.
Once your software is installed, you are ready to proceed with a profile routine, equipment
staging, and pre-deployment checks. As always, the extra time you spend to verify that your
system is properly working prior to deployment, results in a successful working system after
deployment.
Examples of Deployed Profiler Systems
Below are examples of the most common Profiler deployments. In many setups meteorological
sensors are employed along with the sonde, especially in coastal applications. Anchoring
techniques vary with application. In Section 6, you will find information related to deploying a
Profiler system.
Figure 1-4 YSI Profiler with MET sensors on Pontoon Float
Figure 1-5 YSI Profiler at Fixed Station Figure 1-6 YSI Profiler on Buoy Float
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Section 2
Profile Routine
2.1 Software Installation
The Floating Profiler System comes with three PC-based software programs. The minimum
required PC operating system is Windows 2000, however we recommend Windows XP. Install
all three programs on a single computer for optimal performance. The following instructions
assume that drive D: is a CD-ROM drive on the computer to which the software is being
installed. If your drive letter is different, substitute the appropriate CD-ROM drive letter into
the instructions below.
Profile Wizard
Load the installation disk into the CD-ROM drive. This activates the Profile Wizard
Installation Utility. Follow the prompts on the screen to complete the installation.
Figure 2-1 Opening Screen for Profile Wizard Installation
If the screen shown above does not appear, go to the Windows system menu. Select Start | Run.
Type D:\Setup.exe in the open field, and then press OK.
During installation items are added to your computer’s Start menu under Programs | YSI |
Profile Wizard that start the wizard. If the default directories are used, Profile Wizard
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executable files and help files are placed in the C:\Program Files\YSI\ Profile Wizard\
directory.
Once installed, Profile Wizard allows you to create a profiling routine. It contains simple
instructions (enhanced by graphics) that are easy to follow. If you enter inconsistent
information, pop-up messages provide messages to get you back on track. The end result is a
file that you name and save. This file contains specific profiling information that will be
downloaded to the CR10X data logger that resides on the floating platform.
LoggerNet™
Load the installation disk into the CD-ROM drive. This activates the LoggerNet™ Installation
Utility.
Figure 2-2 Opening Screen for LoggerNet™ Installation
Follow the prompts on the screen to complete the installation. You may need to access the
Internet to complete the installation. This activates the LoggerNet Installation Utility.
If the installation program does not start, then go to Windows system menu, select Start | Run.
Type D:\Disk1\Setup.exe in the open field or use the Browse button to access the CD-ROM
drive and select the setup executable file in Disk1 folder.
Items are added to your computer’s Start menu under Programs | LoggerNet that start the
Toolbar and other selected utilities. If the default directories are used, LoggerNet™ executable
files and help files are placed in the C:\ Program Files\ CampbellSci\ LoggerNet directory.
The directory C:\ CampbellSci\ LoggerNet is a working directory and contains the user
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programs and data files, along with files maintained by LoggerNet™ such as the binary data
cache and configuration files.
Once installed, LoggerNet™ allows you to communicate with the Campbell Scientific CR10X
Data Logger via RS-232 direct or wireless. Instructions from Profile Wizard will be downloaded
to the CR10X. Pre-deployment checks using LoggerNet™ may also be performed.
Profile Data Manager™
YSI Profile Data Manager is a third program that you may have purchased with your Profiler
system. Contact Endeco/YSI for pricing information if it was not included in your original
order.
Load the installation disk into the CD-ROM drive. This activates the Profile Wizard
Installation Utility. Follow the prompts on the screen to complete the installation.
Figure 2-3 Opening Screen for YSI Profile Data Manager Installation
If the install does not start, then go to Windows system menu, select Start | Run. Type
D:\Setup.exe in the open field or use the Browse button to access the CD-ROM drive and select
the setup executable file.
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Items are added to your computer’s Start menu under Programs | YSI | ProFile Manager that start
the program. If the default directories are used, Profile Data Manager executable files and help
files are placed in the C:\ Program Files\ YSI\ ProFile Manager Directory. YSI recommends a
separate subfolder for each deployment site.
Once installed, Profile Data Manager™ allows you to organize, report, and plot data from your
profiling routine. You will learn more about Profile Data Manager in later sections of this
manual.
Your PC-based programs should now be installed and ready to use. You will next create a file
that defines your profiling routine. In order to create this file using Profile Wizard, you will
need to verify that certain sonde parameters are set properly. Refer to instructions below that
describe how certain sonde parameters must be set. You may also refer to Section 3 in this
manual for more detail on these sonde settings.
2.2 Using Profile Wizard to Create a Profiling Routine
You are now ready to create a file with information that describes your profiling routine. Make
certain your YSI sonde is configured properly, and calibrated for parameters you wish to
measure. It is recommended that you sketch out your profile plans. This will help you work
through Profile Wizard minimizing the need to backtrack and recalculate. See the example in
Figure 2-4.
Figure 2-4 Pre-Deployment Sketch; Information for Executing Profile Wizard
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SETTING UP A PROFILING ROUTINE
With basic configurations set in your sonde, use your notes on your profiling objectives to
proceed with Profile Wizard. There are several parts to setting up the file and each will be
discussed below. Following this description a step-by-step setup example will be described with
screen shots of each step of Profile Wizard. Below are some definitions of key terms used in the
setup. In addition to knowing the water depth at your profiling site, you also need to define the
column you want to profile and where you want to park the sonde between profile routines. You
will need to know where to START, where to END, and where to PARK. All must be defined in
units of meters relative to the surface of the water.
The PARK depth (required entry) can be anywhere in the water column. This is where the
sonde will reside when it is not actively profiling a water column.
The START position (required entry) is the first point in the water column where data is
collected. This can be close to the surface, near the bottom or anywhere in between. The Profile
Wizard program also requires an entry selection to profile from TOP TO BOTTOM or
BOTTOM TO TOP.
The END position (required entry) is the last step the Profiler can take. If the sonde goes any
further, it may come out of the water or hit bottom. The END step is the only step that will vary
in size from the other steps and is typically less than a full step size.
The PROFILE DURATION is the time it takes to go from PARK to START, perform all
measurements at each interval step, and then return to PARK.
Park position is where the sonde typically spends most of its time. For example, a profile may
take 45 minutes to complete. So if you configure your system to profile every four (4) hours
that would be six (6) times a day. If the profile takes 45 minutes, then the sonde resides in park
position (idle) for 3 hours and 15 minutes of each profile. So the sonde is idle about 80% of any
given day in this example.
If Profile Wizard is not open, do that next. Either double click on the Profile Wizard icon on
your Desktop; or click on Start | Open | and then Browse to search for YSI Profile Wizard.exe.
The opening screen (welcome screen) is shown below.
Note that there are two options in the welcome screen - Create new station and Modify existing
station. Since you are creating a new station in this example, verify the tick is in the Create box.
If you have a profiling routine defined by name, you may elect to open an existing file to modify
it by using the ‘Modify existing station’ option.
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Click on New… to view the Save As screen, and then type in a filename for your site. We
recommend creating a new folder for each site configuration. In this example assume that this is
Site 12 on Clark Reservoir. Click the ‘create new folder’ icon in upper right hand corner and
rename the folder ‘Site 12’. Open the new ‘Site 12’ folder and type in ‘CLK Res Site12’ for the
filename … click Save. The “.pfw” file will save in C:\ Program Files\ YSI\ Profile Wizard\
Shared\Site 12\.
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Once you click on Save the welcome screen reappears, this time with the Next … button active
to proceed to the next step in Profile Wizard. Note also that Units are Metric, which at this time
is the only option. English units (feet) can not be used in your calculations and setup. (One
meter is approximately 3.281 feet). Finally, take note that the directory path and filename you
assigned is shown near the bottom of the screen
Now Click on N
ext > to proceed to one of five ‘General Information Steps’. This is where you
will enter critical information to define your profiling routine. Have your notes on hand before
proceeding.
Information (Steps 1-5)
In the first Step (General Information), you must indicate if you will use a depth sounder or
fixed reference sonde in your operation. In this example assume there is no depth sounder
sensor or fixed sonde in the system. Below are examples of applications where you may choose
using a depth sounder or fixed sonde, including its advantages in those specific applications.
You must also indicate in Step 1 if you have meteorological (MET) sensors or a compass in your
system. If there were a solar radiation sensor, a constant will be provided by YSI. In this
example, assume there are no MET sensors in use.
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There are three bottom depth options: 1) user-defined; 2) using a depth sounder sensor; and 3)
using a fixed reference sonde. The descriptions and the table below should help you choose the
appropriate setup for your application.
User defined
applications are typically employed when the winch and electronics can be
mounted to a fixed structure. The water level should not change significantly in depth and
extreme bottom monitoring is not important.
Depth sounder
applications are often used to track the bottom of a body of water and adjust the
program to get within a specified distance from the bottom.
Fixed reference sonde
applications are used to track water level and adjust the program to a
specified distance from the bottom, but it is always used with fixed mount winch and electronics.
Type Mounted to Water dynamics Monitoring…
User defined
Pier
Bridge
Slow change in water level Near surface area only
Pilling
Float
Depth sounder
Pontoon
Float
Variable water depth Track bottom
Buoy
Fixed reference
sonde
Pier
Bridge
Pilling
Variable water depth Track water level
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In Step 2 (Winch Information) you must enter the reel size, cable type and length. The Reel
diameter of the Winch Assembly is 14 inch (35.56 cm) in this system and the Cable type is
Standard. These two questions have default answers at this time. Future options are planned.
The Cable length in this example is 30 meters. You order the cable length that best fits your
application. Typically there is at least one extra meter of cable shipped to allow some amount of
cable to remain on the reel at all times for proper winding. If you order 30 or 50 meter cable,
you will receive at least 33 meters or 53 meters, respectively.
In Step 3 (Site Information) enter your choice of profiling direction; ‘Bottom to Top’ or ‘Top to
Bottom’ profiling. Refer to your notes and you will see that ‘Top to Bottom’ was declared as
the Profiling direction in the example application.
The maximum depth of water in the profiling area is 14 meters. The predetermined park depth
was noted at one (1) meter below the surface. Type in these numbers and proceed by clicking on
N
ext >.
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Step 4 (Study Information), shown below, deals with defining the actual column length of water
to step through and the time interval at which you intend to monitor.
Since the sonde starts at three (3) meters below the surface and proceeds through five-plus steps,
stopping no further than one (1) meter above the bottom, the actual monitored column of water
is ten (10) meters, start at 3 meters and end at 13 meters below the surface. You must enter the
Start and End depths (relative to the surface
) in the appropriate boxes (see below).
In addition, you must enter the profiling step interval. In this example two (2) meter steps are
used, meaning the cable will complete one set of measurements, then pay out two meters, stop
and repeat these measurements. This will be repeated until it reaches the bottom of the profiling
column (13 meters below the surface). The last step is often less than the defined interval if the
profiling depth is not evenly divisible by the number of steps. In this case 10 meters divided by
2 meter intervals work out to be a whole number.
The Profiles per day are 6, indicating that a profiling routine will be initiated every four (4)
hours beginning with local time of 00:00:00 (midnight). Enter six (6) into the appropriate box.
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At this point you are ready to move to the next screen to verify specific information in the sonde
menu and then to assign sonde report parameters. However, before moving to these last two
screens, make note of how profile setup screens would differ if a Depth Sounder or a Fixed
Reference Sonde were used to determine sonde vertical position relative to the top or bottom of
the water column. After these examples, Profile Wizard setup screens will be displayed for the
original example application.
Depth Sounder Option
The General Information Step 1 screen would appear as follows, marking the Depth Sounder
with a click of the mouse. Step 2 and Step 3 related to cable/reel and site information,
respectively would remain unchanged. Step 4 takes on a very different look since the final depth
reading is referenced from the bottom. See figures below.
Fixed Reference Sonde Option
The General Information Step 1 screen would appear as follows, marking the Depth Sounder
with a click of the mouse. Step 2 and Step 3 related to cable/reel and site information,
respectively would remain unchanged. Step 4 takes on a very different look since the final depth
reading is referenced from the bottom.
On the next two pages see the differences in setup screens when using the depth tracking options
listed immediately above.
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NOTE:
Step 2 (Cable/Reel Information) and Step 3 (Site Information) screens would appear the
same as above in the User defined example. Steps 1 and 4 appear differently.
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NOTE:
Steps 2 (Cable/Reel Information) and Step 4 (Profile Information) screens would appear
the same as above in the Depth Sounder example. Steps 1 and 3 appear differently.
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Although infrequently used in this way the Fixed Sonde Reference may be positioned on the
bottom of the water column. In this case the Fixed Reference sonde distance is entered as zero
(0). If mounted above the bottom, you will need to determine a true measured distance from
bottom to the “fixed point”. This distance can be determined by lowering the sonde to the
bottom, record the instant depth reading, and then move the sonde to the desired fixed (or
attached) location. You then subtract the two values and enter the result in location (c) on the
screen.
IMPORTANT:
The Fixed Reference Sonde must be set to have only two Report parameters enabled:
Temp in C, and Depth in Meters. They must appear in the order shown and in the
units of measurement shown. Also, do not set date or time.
After completing the above steps for User defined depth, Depth sounder or Fixed Reference
Sonde, click on Next > and you will see a screen that asks you to verify that specific information
in the sonde configuration is entered as stated.
The boxes are not ‘checked’ when the screen appears. You must verify that these sonde
configurations have been set before the Next button becomes active. That is, you can not
proceed until you click on each box. Once you confirm the sonde settings, click N
ext > and
proceed to the final step in defining your profiling routine.
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In Step 5 (Sonde parameters) you must record in the box on the right all parameters you have
chosen to monitor. You probably have jotted these down in notes. If not, return to the sonde
menu and check the Report setup to make sure you have listed all parameters, in the same order
as in Step 5 of the setup wizard.. Depth in meters is a given, and in fact, is listed by default in
the Sonde report output column. You now click on each parameter and then click Add >> to add
it to the list on the right. You may do this one at a time, or you may press and hold the Control
key (Ctrl) on your keyboard and click on the appropriate parameters in the list on the left. The
Add button becomes active. Click Add >> and the list on the right appears as shown below for
this example. You may now need to rearrange the order of this list to match the sonde Report
setup.
It is essential that the list of parameters you create matches the parameters set in your sonde
(exact parameter, including units chosen and the order listed). For example, SpCond (mS/cm) is
not the same as SpCond (uS/cm) this does make a difference when the CR10X data logger and
sonde communicate during profiling routines. This makes a difference later on during post data
processing
The screen below shows an example list of parameters. There are nine (9) parameters total.
Depth in meters is a requirement. In Profile Wizard there is a maximum of twelve (12)
parameters that you may list, counting Depth in meters as one of the twelve.
IMPORTANT:
The order of parameters listed must match the Report setup in the sonde.
In the following figure Depth (meters) was moved so that it occurs after DO Chrg but before pH.
Parameters may be moved up and down the list by left clicking and dragging up or down.
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The final screen summarizes all information that you entered. Check this carefully, make
changes if necessary, and then click on Finish to complete the setup of your profile. Note the
parameter ID numbers in brackets just to the left of the parameters; this information will be
imbedded in the data file as Array 88.
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You should at this time also print the ‘*.rpt’ and ‘*.pfw’ files for your hard copy records. See
Appendix B for examples.
2.3 How the CR10X Executes the Profile Routine
Using Profile Wizard you have now created a profile routine file. In Section 3 you will learn to
send this file to the CR10X data logger using LoggerNet™ software. Once in the CR10X this
program controls the movement of the winch, sonde data collection, and other actions. Prior to
moving to Pre-Deployment checks, and in order to better understand how the ‘controller’
software executes the profile routine, consider the description and example below.
Since a depth sounder was not used in the example above, it will be considered part of the
routine below. In coastal applications, the tide can raise or lower the water level two or more
meters at times. The importance of knowing the total depth of the water column at all times is
essential. In tidal applications the use of a depth sounder is necessary if you intend to monitor
close to the bottom or to the surface.
EXAMPLE & DESCRIPTION OF PROFILE ROUTINE WITH DEPTH SOUNDER
For better understanding of the steps in a profiling routine, consider a new example where the
mean water depth is ten (10) meters and the daily tide is about two (2) meters. Assume the
system has a depth sounder and the Profile Wizard setup has been programmed accordingly.
The use of a depth sounder enables the system to track the overall water depth before the start of
a profile and again during the last 20% of the water column that is being profiled.
Profile Parameters
Profiles per day 4
Step Size 1 m
PARK (relative to surface) 5 m
START (relative to surface) 1 m
END (relative to bottom) 1 m
Top to Bottom Profile
In terms of ‘profile logic’, the CR10X goes through the following steps to ensure that depth and
parameters are measured as intended by the profile program. This is done through RS-232
communications using a serial I/O interface that connects to the CR10X to various sensors and
accessories.
Every six (6) hours starting at 00:00:00 (midnight) the program requests a PARAMeter check
from the sonde. This information is collected to insure that the sonde is operational and the
sonde parameters are unchanged. Once this information is received from the sonde and verified
as correct, the program requests a sonde water depth. The sonde should be in Park position five
(5) meters (+/- 0.2 m) below the surface. The information is collected, and then the overall
depth is measured by the depth sounder. The overall water depth is collected and recorded as a
reference to insure that the sonde will never hit the bottom during the profile.
The program next decides if the PARK to START move distance is greater than two (2) meters.
It turns the motor on to move up or down while monitoring the sonde depth to see how close it is
to the one meter depth (START). In this example the sonde was parked at 5 meters and was
moving up 4 meters to the start position. As a result the “move to” distance is 4 meters. If the
“move to” distance is less than two (2) meters, it calculates the time the motor needs to be
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powered to travel the required distance. It then powers the motor for the calculated time and
checks again to see if the sonde depth is within the +/- 0.2 meter tolerance. If not, the motor is
powered again until the sonde reaches the specified depth. The rate of movement is 0.1
meter/second, so a “step” may take a couple of minutes to reach its target.
Figure 2-5 Block Diagram: Sonde Control with Depth Sounder
When the sonde reports it is within the START depth position of one (1) meter +/- the tolerance,
it stops to stabilize for 60 seconds and then warms up for the specified DO warm-up time.
Depending on the sonde default DO warm-up time values are set at 40 or 60 seconds. After
about 100-120 seconds have expired, the CR10X sends an SDI-12 command directly to the
sonde to start parameter measurement. When completed, the CR10X stores the sample data in a
designated memory location. Therefore, all data in this memory array are SDI-12 measurements
taken directly from the sonde to the CR10X data logger memory. This array 105 includes the
Julian day, time stamp and sonde data. The time stamp indicates the end (not the beginning) of
the sample collection.
Once the data is stored in CR10X memory, a command turns the motor on for a calculated
period of time. This duration is the time it takes to move the sonde to the next step location (+/the specified tolerance). The sequence described above repeats until the END step is completed.
While profiling up or down the program keeps track of the sonde depth. When it reaches
approximately 80% of the overall water depth, the system checks the depth sounder again and
determines the distance to the bottom. From this point on the program continually checks depth
to insure it can do a full one meter step. Eventually, the step size of one meter is no longer
possible without hitting the bottom. At this point a calculation by the program determines a
partial step (typically 0.3 to 0.8 meters). When this step is completed, the CR10X issues the
command for the sonde to return to PARK position, where it waits for the next profile time.
Since this example location has a tidal influence, the overall depth will change from profile to
profile. The distance and/or steps may be more or less than a previous profile. Because this
sequence started at the surface, all of the steps are referenced from the surface down. The
opposite would be the case when starting at the bottom for a ‘bottom to top’ profile.
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The data collected into the CR10X memory is then uploaded by LoggerNet™ either as forced
upload or by the LoggerNet™ schedule. The data is archived in ASCII text, comma delimited
format. Profile Data Manager™ software can then be used to view or FTP the data.
Alternatively, you can import the ASCII text data file into a spreadsheet program like Microsoft
Excel® as comma separated values. See Figure 2-6 for example data. Using Excel’s filters you
can then display particular array numbers for quick data analysis. See Figure 2-7 for an example
with Array Number 60 (hourly MET reading). Refer to Appendix G for Data File Array
Descriptions.
99 2006 220 1000 10 5407 0 99 0
88 7 11 124 1 6 12 14 15 96 22 …
6 1 2 7.3 3 7.4 7.86 9 0
105 2006 220 1002 43.5 25.32 45.21 29.24 88.8 6.18 44.1
105 2006 220 1004 35.38 25.43 45.11 29.17 89.9 6.25 43.1
105 2006 220 1006 24 25.63 45.06 29.12 92.1 6.38 43.1
105 2006 220 1008 14.5 25.78 45.05 29.12 93.3 6.45 42
…
…
…
…
99 2006 220 1009 6.125 5407 0 99 0
99 2006 220 1030 9.88 5407 0 99 0
88 711691 61214159622…
6 1 2 7.1 3 7.1 7.56 9 0
105 2006 220 1032 36.88 25.34 45.18 29.22 90 6.26 43.1
105 2006 220 1034 28.63 25.53 45.08 29.15 90.1 6.25 44.1
105 2006 220 1036 27.75 25.76 45.05 29.11 92.5 6.39 43.1
105 2006 220 1038 15.38 25.83 45.05 29.11 93.3 6.44 43.1
99 2006 220 1039 17.38 5407 0 99 0
160 2006 220 1058 29.25 25.45 45.11 29.16 93.3 6.48 44.1
…
…
…
…
…
…
60 2006 220 1100 25.58 54.71 744 1016 5.668 357.7 0
Figure 2-6 Example data file imported into Microsoft Excel®
60 2006 220 1000 24.87 61.16 602.4 1016 5.542 0.68 0 13.76 0 1
60 2006 220 1100 25.58 54.71 744 1016 5.668 357.7 0 13.46 0 1
60 2006 220 1200 26.12 49.13 817 1016 4.021 356.8 0 13.45 0 1
60 2006 220 1300 26.73 44.6 760 1016 4.254 332.2 0 13.57 0 1
Figure 2-7 Example data file filtered for hourly MET data (Array 60)
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Equipment Staging – Sonde & Platform
3.1 Introduction
In this section and the following section you will configure your sonde to insure proper
operation with the CR10X data logger, assemble components and connect cables (as required),
and manually verify operation of the Winch Assembly. In Section 4 you will establish
communication between LoggerNet™ and the CR10X and download your Profile Wizard file
with the profiling instructions.
You should proceed through the above mentioned steps in a stable environment if possible. If
you configure and test your profiling system in this manner, you are less likely to make an error
that would cost you valuable time once in the field.
3.2 Setting Sonde Parameters
The Campbell Scientific CR10X data logger program relies heavily on information obtained
from the YSI sonde both prior to the start of a profile, and during a profile sequence. Therefore,
it is imperative that you configure the YSI sonde correctly for successful winch operation. In
this section you will learn how to check for key settings in the sonde. These settings apply
primarily to proper configuration of the Profiler system. If required consult your YSI 6-series
sonde operations manual for more detailed information.
WARNING!
Do not disconnect the sonde from Profiler while it is actively running a profile sequence.
Wait for it to finish, or if necessary, disconnect power to Profiler.
You can access the sonde menu using any terminal emulator program, or if available the YSI
650 MDS handheld monitor. One such terminal emulator program is YSI EcoWatch™.
Common to most Windows-based computers is Microsoft ® HyperTerminal. If you use the YSI
650 make certain that you ‘escape’ all of the way out of the Sonde menu before
disconnecting the YSI 650 from the sonde.
A YSI sonde field cable is needed for connection to the YSI 650 MDS. A RS-232 cable with
MS-8 connector will be needed to connect from your PC COM port to the YSI sonde (YSI Part #
6067). An adapter may be needed, and in some cases a power supply if the sonde is not powered
by batteries. Refer to your 6-series sonde manual for cable connection details.
In the example below, a terminal emulator connection is described. Once you establish a
connection with the sonde you should see the # sign. You may type ‘ver’ <ENTER> to display
the version number of the sonde software; and in a similar manner, Esc to # and type ‘reset’
<ENTER> to display more detailed information about the sonde model and version number.
Refer to the displays below. Your sonde version number must be 2.25 or higher
.
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