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Echotrac CV100 

User Manual 

 

Page 34 of 34 

Odom Hydrographic Systems, Inc.

May 28, 2008

6.6  External Serial Control of Echotrac Parameters 

Many of the parameters sent via the LAN port may also be entered via the serial port from an external computer 
or terminal. The external control feature allows remote input of the operating parameters from data files or through 
the computer keyboard. 
 
Some restrictions apply to external parameter inputs, which, because of their absolute nature, are only tested 
against minimum and maximum limits. Echotrac control program changes on the other hand are always 
processed in a controlled fashion in order to prevent possible system errors.  Most often problems arise if the 
external parameter input is not in the correct multiple for the parameter addressed. 
 

Protocol overview 

13 ASCII bytes maximum are necessary to complete a parameter transfer as shown below:

 

The sequence begins when the Echotrac receives a CONTROL P (ASCII DLE, HEX 10) followed immediately. 

 

 

 

Protocol format 

The Echotrac CV input communication protocol is defined by 13 bytes. 
 

 

Header 

Parameter # 

SPACE 

New Value 

Delimiter 

Byte 

1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

HEX 0x10 

<DLE> 

0x00..0xFF 

0x00..0xFF 

0x20  n n n n n n n n 0x0D 

<CR> 

DEX  16 

0…255  0…255  32 

n n n n n n n n 13 

 
Note: 
HEX Hexadecimal 
DEC Decimal 
DLE 

Data Link Escape (also known as Control-P) 

CR Carriage 

Return 

SPACE This character will be represented by “_” in the examples below. 
N 

The letter “n” represents each single digit of the New Value. 

 

Minimum is 1 digit. Maximum is 8 digits. 

 
Examples: 
Bar depth 

<DLE>08_12<CR> 

Identifier is 08, value is 12 feet 

Index  

<DLE>07_1500<CR> Identifier 

is 07, value is 1500 meters 

 
The sequence begins when ECHOTRAC receives a CONTROL P (ASCII DLE, HEX 10) followed immediately by 
the parameter control string (The parameter number (2 characters) followed by a SPACE (HEX 20) then the 
parameter value itself (which can be up to 8 characters long) followed by a carriage return).  The transfer is then 
complete and the ECHOTRAC returns to normal operation using the new value.  In the above example the 
VELOCITY identified by the parameter number 08 was changed to a new value of 1464 m/s.  The string delimiter 
(CR) will always terminate the input.  Use Control T (HEX 14) to stop the chart and Control R (HEX 12) to restart 
the chart. 

<Parameter Number>'Space'<New Value>CR  

                     

                                 

13 Characters Maximum 

              Ex:   '0' '1'  'SPACE' '1' '4' '6' '4' CR 

Содержание Echotrac CV100

Страница 1: ...sion 4 04 Odom Hydrographic Systems Inc 1450 Seaboard Avenue Baton Rouge Louisiana USA 70810 6261 Telephone 225 769 3051 Fax 225 766 5122 Email Odomhydrographic com http www odomhydrographic com Numbe...

Страница 2: ...2008 P Oostenrijk Updated document version to match software firmware version 4 02 03 13 2008 P Oostenrijk Minor firmware change with model names 4 03 05 23 2008 P Oostenrijk Updated Scale change fun...

Страница 3: ...12 3 3 Powering up the equipment 13 3 4 Transducer installation 14 3 4 1 THROUGH HULL transducer installation 14 3 4 2 SEA CHEST transducer installation 15 3 4 3 OVER THE SIDE transducer installation...

Страница 4: ...l Serial Control of Echotrac Parameters 34 7 Overview parameters and settings 36 7 1 External Ethernet Control of Echotrac Parameters 36 8 Uploading Firmware 37 8 1 Upgrading Motorola Processor Firmwa...

Страница 5: ...isting transducer Operator selectable TVG curves 10 Log 20 Log 30 Log 40 Log and Off serve to optimise the Echotrac for shallow bottom detection tasks and for Sonar imaging The Echotrac CV features un...

Страница 6: ...SP Digital Signal Processor ETCV Echotrac CV NMEA National Marine Electronics Association SBT Single Bottom Tracking TNC Threaded Nut Connector TVG Time Varied Gain VDC Volts Direct Current 1 4 Refere...

Страница 7: ...0 m s Resolution 1 m s Transducer Draft Setting 0 15m 0 50 ft Depth Display On control PC and LCD display Clock Internal battery backed time elapsed time and date clock Annotation Internal date time G...

Страница 8: ...route cables using horizontal and vertical runs wherever possible Avoid paths that run adjacent to transmitter feeder cables or close to heat radiating elements such as steam pipes For permanent inst...

Страница 9: ...connecting the DC power cable to any equipment Make sure that all the connecting equipment is also turned off before applying the power cables Otherwise the transients of such a jump start could dama...

Страница 10: ...CV to send and receive data on the network The Echotrac CV can be connected directly to a Hub or a Switch using a regular UTP CAT 5 ethernet cable A regular cable is also known as a straight UTP cable...

Страница 11: ...utting data at a slow or fast pace The Link indicator on the Echotrac CV indicates that it recognizes the presence of a network If the receiving end of the ethernet cable is connected to a computer or...

Страница 12: ...at run adjacent to transmitter feeder cables or close to heat radiating elements such as steam pipes For permanent installations cables should be clamped at regular intervals 3 feet or 1 meter along t...

Страница 13: ...n the connector labeled Serial 3 and the external GPS f Connect the RS232 cable between the motion sensor and the connector labelled Heave g Connect the RS232 cable between the remote display and the...

Страница 14: ...effect at operating speed The transducer should be mounted far enough aft of the bow so that bubbles generated by the bow wave will not pass over the face of the unit Transducers should be located awa...

Страница 15: ...clear window which is mounted flush with the hull surrounding the chest Depending on construction the material selected for the acoustic window and the draft of the vessel access can often be gained...

Страница 16: ...rdy support on the vessel Lines generally are attached at the transducer pipe and tied off fore and aft in order to maintain a stable horizontal transducer attitude Care should be taken to assure adeq...

Страница 17: ...epest part of the survey 11 For depths that exceed 60 feet use a bar that can reach as deep as possible In areas such as these we recommend that you use a velocimeter as a check 12 Always document and...

Страница 18: ...ft equal Since the accuracy of measuring the depth depends on the value used for the velocity of sound in water along with the other factors shown above it is important that a realistic value for soun...

Страница 19: ...to see a target at that 5 00 foot depth while rejecting all other returns including those from the bottom 4 Adjust the index to the correct depth 5 Change the bar depth in the Echotrac control progra...

Страница 20: ...tisfy record quality requirements while at other times where local bottom conditions dictate some variation of the Transmit power Receive gain ratio a manual position may work best Note that the MAX s...

Страница 21: ...t the data may not be sent out on the COM port of the Echotrac CV The Echotrac CV could be in Standby mode 8 Try powering down the Echotrac CV and powering it back up again If the Echotrac CV is turne...

Страница 22: ...Echotrac CV100 User Manual Page 22 of 22 Odom Hydrographic Systems Inc May 28 2008 TRANSDUCER FACE Air trapped under a thin film layer on the face of the transducer...

Страница 23: ...422 The COM ports on the Echotrac CV is capable of sending and receiving data in RS232 only In its standard configuration the unit sends ASCII characters at 9600 baud 8 data bits 1 start bit 1 stop b...

Страница 24: ...X X X No Yes No _et__12345 _etE_0 _ET__12345 _ETE_0 X X X No No Yes _et__12345 _etE_0 _ET__12345 _ETE_0 Normal Error Normal Error ECHOTRAC DBT X X X Yes No No _et_H_11111 _etEH_0 _ET_H_11111 _ETEH_0 X...

Страница 25: ...CH3 CH1 CH2 CH3 Yes H 9 e E Yes Yes B 9 e 9 o D all Yes L 9 e E Yes Yes B 9 e 9 o E Yes Yes B 9 e 9 o E Yes Yes Yes C 9 e 9 o 9 f G all If multiple channels are in use and not all the channels have a...

Страница 26: ...2 E units are in tenths of feet e units are in centimeters 3 T units are in tenths of feet t units are in centimeters 4 Normally a Space an E indicates Error 5 Always a space 6 Depth Data MSD 7 Depth...

Страница 27: ...ark 2 E units are in tenths of feet e units are in centimeters 3 T units are in tenths of feet t units are in centimeters 4 Normally a Space an E indicates High Frequency error and an O indicates Low...

Страница 28: ...equency error and an O indicates Low Frequency error missed return D indicates High and Low error missed returns 5 B Frequency Indicator Both High and Low 6 Always a space 7 Depth Data High Frequency...

Страница 29: ...ways Centimeter Resolution 17 CR Carriage Return Example sp etEH sp DDDDD HHHH CR The following description applies to the selection of HEAVE while both frequencies high and low are active HEAVE Two F...

Страница 30: ...pplies to the selection of DESO DDV while only one frequency either high or low is active Once every 2 seconds the following two strings will also be output immediately after the DESO 25 outputstring...

Страница 31: ...selected TXx 80 characters max xCL example TXthis is a test VSsxx xx_m sCL example VS 01 23 m s EMxCL example EM0 EM1 EM2 or EM3 CL Terminator command x single character s sign or C Carriage Return L...

Страница 32: ...20 space Care should also be taken to avoid annotation overrun which is caused by grouping annotated events so closely together that they obscure the record Header Information multiple line annotatio...

Страница 33: ...e string TSS1 String Character Character Description 1 Start Character 2 3 X Horizontal acceleration data 4 7 A Vertical acceleration data 8 sp Space 9 sp Space if positive minus if negative 10 13 H H...

Страница 34: ...Parameter SPACE New Value Delimiter Byte 1 2 3 4 5 6 7 8 9 10 11 12 13 HEX 0x10 DLE 0x00 0xFF 0x00 0xFF 0x20 n n n n n n n n 0x0D CR DEX 16 0 255 0 255 32 n n n n n n n n 13 Note HEX Hexadecimal DEC D...

Страница 35: ...value request The Echotrac CV will then reply with CV3 P UNITS PING NUMBER PARAMETER ID VALUE The Units is a single character F or M for Feet or Meters The ping number is 8 characters the Parameter I...

Страница 36: ...ings can be found in reference 3 Any setting that is changed in the control program is automatically sent to the Echotrac 7 1 External Ethernet Control of Echotrac Parameters The Echotrac ETHERNET por...

Страница 37: ...d in order for the flash upgrade to work 1 Install the Odom Flash Utility by Unzipping the OdomFlash zip file in a directory After the file is uncompressed run the setup exe file to install the progra...

Страница 38: ...op of the transceiver boards There one DSP board for each transceiver board in the Echotrac 4 Connect the DSP flash cable to JP13 of the DSP 5 Move shunt on JP10 from the left two pins to the right tw...

Страница 39: ...22 Connector PN Pin Number Signal Description DB9 Male 2 Transmitted data from Echotrac 3 Received data to Echotrac 5 GND 9 3 Serial 3 Serial 3 is used for interfacing a positioning system to the Echo...

Страница 40: ...cer or a signal frequency transducer connect the transducer here Connector PN Pin Number Signal Description MS3116J14 5P A Shield B High Frequency C Low Frequency D Low Frequency E High Frequency 9 7...

Страница 41: ...2 RS 232 Input 3 RS 232 Output 5 Shield Signal ground Common return POWER Cable Conn DC only P N MS3114E12 3P Pin Description A 12 or 24 VDC B No Connection C Return Fuse 5 amp DC inputs only Standar...

Страница 42: ...Ethernet TX RX LED should start blinking as well as one or both of the Transmit High Low LEDs If this does not happen then the Echotrac CV100 is in Standby Mode Use the Odom eChart Program to start th...

Страница 43: ...rac CV100 User Manual Page 43 of 43 Odom Hydrographic Systems Inc May 28 2008 P P Pa a ag g ge e e l lle e ef f ft t t b b bl lla a an n nk k k i iin n nt t te e en n nt t ti iio o on n na a al lll ll...

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