Sea-Bird Scientific SBE 37-SM Manuel utilisateur

[email protected] | support@seabird.com | Tel: +1 425 643 9866

Release Date

Version

Firmware

Software

10/18/2018

041

5.1.1 & later

Seaterm V2 2.6.3 & later

SBE Data Processing 7.26.7 & later

SBE 37-SM MicroCAT C-T-(P) Recorder

Conductivity and Temperature (pressure optional) Recorder with RS-232 Interface

Product Manual

Limited Liability Statement

Extreme care should be exercised when using or servicing this equipment. It should be used or serviced

only by personnel with knowledge of and training in the use and maintenance of oceanographic

electronic equipment.

SEA-BIRD ELECTRONICS, INC. disclaims all product liability risks arising from the use or servicing

of this system. SEA-BIRD ELECTRONICS, INC. has no way of controlling the use of this equipment

or of choosing the personnel to operate it, and therefore cannot take steps to comply with laws

pertaining to product liability, including laws which impose a duty to warn the user of any dangers

involved in operating this equipment. Therefore, acceptance of this system by the customer shall be

conclusively deemed to include a covenant by the customer to defend, indemnify, and hold SEA-BIRD

ELECTRONICS, INC. harmless from all product liability claims arising from the use or servicing of

this system.

Manual revision 041 Declaration of Conformity SBE 37-SM RS-232

Declaration of Conformity

Manual revision 041 Table of Contents SBE 37-SM RS-232

Table of Contents

Limited Liability Statement................................................................ 2

Declaration of Conformity .................................................................. 3

Table of Contents................................................................................. 4

Section 1: Introduction........................................................................ 6

About this Manual .............................................................................................6

Quick Start.........................................................................................................6

Unpacking MicroCAT .......................................................................................7

Shipping Precautions .........................................................................................8

Section 2: Description of MicroCAT.................................................. 9

System Description............................................................................................9

Specifications...................................................................................................11

Dimensions and End Cap Connector ...............................................................12

Cables and Wiring ...........................................................................................13

Sample Timing.................................................................................................14

Battery Pack Endurance...................................................................................14

External Power.................................................................................................15

Cable Length and External Power ............................................................15

Section 3: Preparing MicroCAT for Deployment.......................... 16

Battery Pack Installation..................................................................................16

Description of Cells and Battery Pack......................................................16

Installing Cells and Battery Pack..............................................................16

Software Installation........................................................................................18

Power and Communications Test ....................................................................18

Test Setup .................................................................................................18

Test ...........................................................................................................19

Section 4: Deploying and Operating MicroCAT............................ 24

Sampling Modes ..............................................................................................24

Polled Sampling........................................................................................25

Autonomous Sampling (Logging commands)..........................................26

Serial Line Synchronization (Serial Line Sync) .......................................27

Real-Time Data Acquisition ............................................................................28

Timeout Description ........................................................................................28

Command Descriptions....................................................................................29

Data Formats....................................................................................................45

Setup for Deployment......................................................................................49

Deployment......................................................................................................50

Recovery..........................................................................................................51

Uploading and Processing Data.......................................................................52

Editing Raw Data File......................................................................................59

Section 5: Routine Maintenance and Calibration.......................... 60

Corrosion Precautions......................................................................................60

Connector Mating and Maintenance................................................................60

Conductivity Cell Maintenance .......................................................................61

Pressure Sensor (optional) Maintenance..........................................................62

O-Ring Maintenance........................................................................................62

Handling Instructions for Plastic ShallowCAT ................................................63

Replacing AA Cells .........................................................................................63

Replacing Anti-Foulant Devices (SBE 37-SI, SM, IM)...................................65

Sensor Calibration............................................................................................66

Conductivity Sensor Calibration...............................................................66

Temperature Sensor Calibration...............................................................66

Manual revision 041 Table of Contents SBE 37-SM RS-232

Pressure Sensor (optional) Calibration .....................................................67

Section 6: Troubleshooting................................................................ 68

Problem 1: Unable to Communicate with MicroCAT .....................................68

Problem 2: No Data Recorded .........................................................................68

Problem 3: Unreasonable T, C, or P Data........................................................68

Problem 4: Salinity Spikes...............................................................................69

Glossary .............................................................................................. 70

Appendix I: Functional Description................................................. 72

Sensors.............................................................................................................72

Sensor Interface ...............................................................................................72

Real-Time Clock..............................................................................................72

Appendix II: Electronics Disassembly/Reassembly........................ 73

Disassembly.....................................................................................................73

Reassembly......................................................................................................73

Appendix III: Command Summary................................................. 74

Appendix IV: AF24173 Anti-Foulant Device .................................. 77

Appendix V: Replacement Parts ...................................................... 81

Appendix VI: Manual Revision History .......................................... 83

Manual revision 041 Section 1: Introduction SBE 37-SM RS-232

Section 1: Introduction

This section includes a Quick Start procedure, photos of a typical MicroCAT

shipment, and battery shipping precautions.

About this Manual

This manual is to be used with the SBE 37-SM MicroCAT Conductivity and

Temperature Recorder (pressure optional) with RS-232 interface. It is

organized to guide the user from installation through operation and data

collection. We’ve included detailed specifications, command descriptions,

maintenance and calibration information, and helpful notes throughout

the manual.

Sea-Bird welcomes suggestions for new features and enhancements of our

products and/or documentation. Please contact us with any comments or

suggestions (seab[email protected] or 425-643-9866). Our business hours are

Monday through Friday, 0800 to 1700 Pacific Standard Time (1600 to 0100

Universal Time) in winter and 0800 to 1700 Pacific Daylight Time (1500 to

0000 Universal Time) the rest of the year.

Quick Start

Follow these steps to get a Quick Start using the MicroCAT.

The manual provides step-by-step details for performing each task:

1. Install AA lithium cells and test power and communications (Section 3:

Preparing MicroCAT for Deployment).

2. Deploy the MicroCAT (Section 4: Deploying and Operating MicroCAT):

A. Install new AA lithium cells if necessary.

B. Ensure all data has been uploaded, and then send InitLogging to

make entire memory available for recording if desired.

C. Set date and time, and establish setup and logging parameters.

D. Check status (DS) and calibration coefficients (DC) to verify setup.

E. If you will be sampling autonomously, use one of the following

sequences to start logging:

StartNow to start logging now, sampling every

SampleInterval= seconds.

StartDateTime= and StartLater to start logging at specified

date and time, sampling every SampleInterval= seconds.

F. Remove protective plugs from anti-foulant device cups, and verify

AF24173 Anti-Foulant Devices are installed. Leave protective plugs

off for deployment.

G. Install dummy plug or cable connector, and locking sleeve.

H. Deploy MicroCAT, using Sea-Bird or customer-supplied hardware.

I. Upload data from memory.

Manual revision 041 Section 1: Introduction SBE 37-SM RS-232

Unpacking MicroCAT

Shown below is a typical MicroCAT shipment.

Spare hardware

and o-ring kit

SBE 37-SM MicroCAT

Cell cleaning solution

(Triton-X)

Software, and Electronic Copies of

Software Manuals and User Manual

I/O cable

12 AA lithium cells

Manual revision 041 Section 1: Introduction SBE 37-SM RS-232

Shipping Precautions

For its main power supply, the MicroCAT uses twelve 3.6-volt AA lithium

cells (Saft LS14500). The MicroCAT was shipped from the factory with the

batteries packaged separately within the shipping box (not inside MicroCAT).

If the shipment is not packaged as described above, or does not meet the requirements below, the

shipment is considered Dangerous/Hazardous Goods, and must be shipped according to those rules.

1-5 MicroCATs

and associated

cells,

but no spares

1-5 MicroCATs and

associated cells,

plus up to 2 spare

cell sets/MicroCAT

Spares

(without MicroCATs) –

Note new rules as of

January 1, 2013

UN #

UN3091

Must be shipped as

Class 9 Dangerous Goods.

If re-shipping spares, you must have your

own Dangerous Goods program.

Packing Instruction (PI) #

969

Passenger Aircraft

Yes

Cargo Aircraft

Yes

Labeling Requirement

1 **

1, 2 **

Airway Bill (AWB)

Requirement

Yes *

* AWB must contain following information in Nature and Quantity of Goods Box: “Lithium Metal Batteries”, “Not Restricted”, “PI #”

** Labels are defined below:

Install the battery pack assembly in the MicroCAT for testing (see Battery

Pack Installation in Section 3). If you will re-ship the MicroCAT after

testing:

1. Remove the battery pack assembly from the MicroCAT.

2. Remove the cells from the battery pack assembly.

3. Pack the cells properly for shipment, apply appropriate labels, and prepare

appropriate shipping documentation.

BATTERY PACKAGING

Cells are packed in heat-sealed plastic, and

then placed in bubble-wrap outer sleeve

and strong packaging for shipment.

DISCLAIMER / WARNING:

The shipping information provided in is a general overview of lithium battery shipping requirements; it does not provide

complete shipping information. The information is provided as a courtesy, to be used as a guideline to assist properly trained

shippers. These materials do not alter, satisfy, or influence any federal or state requirements. These materials are subject to

change due to changes in government regulations. Sea-Bird accepts no liability for loss or damage resulting from changes,

errors, omissions, or misinterpretations of these materials. See the current edition of the IATA Dangerous Good

Regulations for complete information on packaging, labeling, and shipping document requirements.

Note:

Remove the cells before returning the

MicroCAT to Sea-Bird. Do not return

used cells when shipping the

MicroCAT for calibration or repair. All

setup information is preserved when

the cells are removed.

1 –Shipper must provide an

emergency phone number

xxx.xxxx.xxxx

WARNING!

Do not ship

assembled

battery pack.

Assembled

battery

pack

Manual revision 041 Section 2: Description of MicroCAT SBE 37-SM RS-232

Section 2: Description of MicroCAT

This section describes the functions and features of the SBE 37-SM

MicroCAT, including specifications, dimensions, end cap connectors, sample

timing, battery pack endurance, and external power.

System Description

The SBE 37-SM MicroCAT is a high-accuracy conductivity and temperature

recorder (pressure optional) with internal battery pack and non-volatile

memory, and an RS-232 serial interface. Designed for moorings and other

long-duration, fixed-site deployments, MicroCATs have non-corroding

housings. The MicroCAT is rated for operation to 350 meters (plastic

ShallowCAT housing) or 7000 meters (titanium housing), or pressure sensor

full-scale range.

Communication with the MicroCAT is over an internal, 3-wire, RS-232C

link. Over 50 different commands can be sent to the MicroCAT to provide

status display, data acquisition setup, data retrieval, and diagnostic tests.

User-selectable operating modes include:

Autonomous sampling –At pre-programmed intervals, the MicroCAT

wakes up, samples, stores data in its FLASH memory, and goes to sleep.

If desired, real-time data can also be transmitted.

Polled sampling –On command, the MicroCAT takes one sample and

transmits the data. Polled sampling is useful for integrating the MicroCAT

with satellite, radio, or wire telemetry equipment.

Serial line sync –In response to a pulse on the serial line, the MicroCAT

wakes up, samples, stores the data in its FLASH memory, and goes to

sleep. If desired, real-time data can also be transmitted. Serial line sync

provides an easy method for synchronizing MicroCAT sampling with

other instruments such as Acoustic Doppler Current Profilers (ADCPs) or

current meters, without drawing on their battery or memory resources.

The MicroCAT can be deployed in two ways:

Cable installed and connected to RS-232 or USB port on computer –

The MicroCAT can be remotely controlled, allowing for polled sampling

or serial line sync, or for periodic requests of data from the memory. If

desired, data can be periodically uploaded while the MicroCAT remains

deployed. Additionally, the MicroCAT can be externally powered.

Dummy plug installed –The MicroCAT cannot be remotely controlled.

Autonomous sampling is programmed before deployment, and data is

uploaded after recovery.

Calibration coefficients stored in EEPROM allow the MicroCAT to transmit

data in engineering units. The MicroCAT retains the temperature and

conductivity sensors used in the Seacat and Seacat plus family. The

MicroCAT’s aged and pressure-protected thermistor has a long history of

exceptional accuracy and stability (typical drift is less than 0.002 °C per year).

Electrical isolation of the conductivity electronics eliminates any possibility of

ground-loop noise.

Titanium

housing

Plastic

ShalowCAT

housing

Manual revision 041 Section 2: Description of MicroCAT SBE 37-SM RS-232

The MicroCAT’s internal-field conductivity cell is immune to proximity errors

and unaffected by external fouling. A plastic cup with threaded cover at each

end of the cell retains the expendable AF24173 Anti-Foulant Device.

The MicroCAT’s optional strain-gauge pressure sensor is available in the

following pressure ranges: 20, 100, 350, 600, 1000, 2000, 3500, and

7000 meters. Compensation of the temperature influence on pressure offset

and scale is performed by the MicroCAT’s CPU.

Future upgrades and enhancements to the MicroCAT firmware can be easily

installed in the field through a computer serial port and the bulkhead connector

on the MicroCAT, without the need to return the MicroCAT to Sea-Bird.

The MicroCAT is supplied with a powerful Windows software package,

Deployment Endurance Calculator–program for determining

deployment length based on user-input deployment scheme, instrument

power requirements, and battery capacity.

SeatermV2 –terminal program for easy communication and data

retrieval. SeatermV2 is a launcher, and launches the appropriate terminal

program for the selected instrument (Seaterm232 for RS-232 instruments

such as this MicroCAT).

SBE Data Processing - program for calculation and plotting of

conductivity, temperature, pressure (optional), and derived variables such

as salinity, sound velocity, depth, density, etc.

Notes:

Help files provide detailed

information on the software.

A separate software manual on

CD-ROM contains detailed

information on the setup and

use of SBE Data Processing.

Sea-Bird supplies the current

version of our software when you

purchase an instrument. As software

revisions occur, we post the revised

software on our website. See our

website for the latest software

version number, a description of the

software changes, and instructions

for downloading the software.

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