APPLIED ACOUSTICS CSP-SNv 1250 User manual

CSP-SNv 1250 / 2400
Capacitor Charging Unit
Operation Manual

CSP-SNv Capacitor Charging Unit Operation
Manual
CSP-CSPSNV-8000/3
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Revision History
Issue
Change
No.
Reason for change
Date
3
2542
CSP-SNv 2400 power settings updated.
29/07/21
2
2504
Appendix C Q.C. Log Format updated.
19/04/21
1
2488
Sections 1.5 Settings, 1.5 Download Log & Specifications
updated. CSP-SNv 2400 added. Production Issue.
17/02/21
C
-
Appendix D added
11/11/20
B
2391
Appendix C added
15/07/20
A
-
First Issue
16/04/19

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Table of Contents
REVISION HISTORY .......................................................................................................................................... 2
SECTION 1 - OPERATIONAL............................................................................................................................. 7
1.1. ENVIRONMENTAL CONSIDERATIONS....................................................................................................... 7
1.2. INTRODUCTION ......................................................................................................................................... 8
1.3. INSTALLATION.......................................................................................................................................... 10
SITING THE CSP-SNV...................................................................................................................................... 10
1.4 CONNECTIONS AND INDICATORS ......................................................................................................... 12
SAFETY EARTH ................................................................................................................................................. 12
TRANSDUCER:HV OUTPUT................................................................................................................................ 13
MAINS INPUT:LINE VOLTAGE CONNECTION ......................................................................................................... 14
TYPICAL CURRENTS .......................................................................................................................................... 14
COM SERIAL CONNECTOR ............................................................................................................................... 15
REMOTE SOCKET ........................................................................................................................................... 15
KEY IN INPUT BNC.......................................................................................................................................... 15
KEY OUT OUTPUT BNC................................................................................................................................... 15
HV OFF /RESET SWITCH................................................................................................................................ 15
HV ON SWITCH .............................................................................................................................................. 15
MANUAL KEY SWITCH.................................................................................................................................... 16
MAINS POWER SWITCH................................................................................................................................. 16
EMERGENCY STOP SWITCH........................................................................................................................... 16
KEY PAD ....................................................................................................................................................... 16
EOC (END OF CHARGE)INDICATOR ................................................................................................................. 16
KEY INDICATOR ............................................................................................................................................... 17
HV INDICATOR ................................................................................................................................................ 17
LOCAL /REMOTE INDICATOR ............................................................................................................................. 17
FAULT INDICATOR........................................................................................................................................... 17
INTERLOCK INDICATOR .................................................................................................................................. 17
TIME OUT INDICATOR ..................................................................................................................................... 17
HV FAULT INDICATOR ..................................................................................................................................... 17
REAR PANEL FUSES........................................................................................................................................... 18
FAN FILTERS .................................................................................................................................................... 18
1.5 OPERATION: SYSTEM CONFIGURATION ................................................................................................ 19
SETTINGS........................................................................................................................................................ 20
FIRE DELAY &FIRE DELAY TIME SETTINGS ............................................................................................................ 21
FLIP-FLOP SETTING .......................................................................................................................................... 22
QC LOG OUTPUT SETTING................................................................................................................................ 22
DEFAULT SETTINGS........................................................................................................................................... 23

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..................................................................................................................................................................... 23
SET TIME &DATE............................................................................................................................................. 23
..................................................................................................................................................................... 23
DOWNLOAD LOG ............................................................................................................................................. 24
ENERGY SETTINGS ............................................................................................................................................ 25
INFORMATION.................................................................................................................................................. 26
OPERATION ..................................................................................................................................................... 27
1.6. OPERATION: ENABLING HIGH VOLTAGE STARTING OPERATIONS ..................................................... 30
POWER UP...................................................................................................................................................... 30
SETTINGS........................................................................................................................................................ 31
OPERATION ..................................................................................................................................................... 33
OPERATION:ENABLE HIGH VOLTAGE................................................................................................................... 34
SYSTEM CYCLE OF OPERATION .......................................................................................................................... 35
OPERATION:DISABLE HIGH VOLTAGE.................................................................................................................. 35
LOCAL /REMOTE ............................................................................................................................................. 36
OPERATION:ENABLE HIGH VOLTAGE WITH REMOTE UNIT ....................................................................................... 37
OPERATION:DISABLE HIGH VOLTAGE WITH REMOTE UNIT ...................................................................................... 37
1.7.1 OPERATION WITH A BOOMER SOUND SOURCE.................................................................................. 38
LOAD SPECIFICATIONS...................................................................................................................................... 38
BOOMER LOAD ................................................................................................................................................ 38
1.7.2 OPERATION WITH A SPARKER SOUND SOURCE ................................................................................ 39
OPERATION OF THE CSP-SNV WITH A NON AAE SOUND SOURCE......................................................................... 39
DUMMY LOAD.................................................................................................................................................. 39
1.8. PRODUCT RECYCLING / DISPOSAL ....................................................................................................... 40
1.9 SYSTEM INTERCONNECTION .................................................................................................................. 41
HVJ3004 HV JUNCTION BOX ......................................................................................................................... 41
TRIPLE ARRAY ARRANGEMENT ............................................................................................................................ 41
400 TIPS DURASPARK 400 // 240 TIPS DURASPARK 240 // 3BOOMER PLATE S-BOOM ...................................... 41
DOUBLE ARRAY ARRANGEMENT.......................................................................................................................... 42
240 TIPS DURASPARK 400 // 160 TIPS DURASPARK 240 // 2BOOMER PLATE S-BOOM ....................................... 42
SINGLE ARRAY ARRANGEMENT ........................................................................................................................... 42
80 TIPS DURASPARK 400 AND 240 // SINGLE BOOMER PLATE S-BOOM .............................................................. 42
..................................................................................................................................................................... 42
HVJ3004 INTERCONNECTIONS ........................................................................................................................ 43
..................................................................................................................................................................... 43
HVJ3001 JUNCTION BOX INTERLOCK WIRING .................................................................................................... 44
SPECIFICATIONS............................................................................................................................................ 46
PHYSICAL SPECIFICATION.................................................................................................................................. 46
ELECTRICAL SPECIFICATION ............................................................................................................................... 46
SAFETY FEATURES.......................................................................................................................................... 47
OPTIONS......................................................................................................................................................... 47

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APPENDIX A –CSP FIRMWARE UPGRADE................................................................................................... 48
REQUIREMENTS ................................................................................................................................................ 48
PROCEDURE .................................................................................................................................................... 48
REQUIREMENTS ................................................................................................................................................ 50
PROCEDURE .................................................................................................................................................... 50
APPENDIX C –CSP-DV / CSP-NV / CSP-SNV LOG - MCU F/W 1.13....................................................... 52
APPENDIX D –GENERAL DIMENSIONS ........................................................................................................ 55
Thank you for choosing applied acoustics ltd as one of your equipment suppliers. We
hope you experience many years of reliable operational use from our products.
modulus technology ltd carries out all technical support, servicing and repairs. If you
have any technical issues with our products please contact the modulus technology
team:
Tel: [phone]
Email: [e-mail]
Web: modulustechnology.com
Applied Acoustic Engineering Ltd has made every effort to ensure that the information
contained in this manual is correct at time of print. However our policy of continual product
improvement means that we cannot assume liability for any errors which may occur.
These written instructions must be followed fully for reliable and safe operation of the
equipment that this manual refers to. Applied Acoustic Engineering Ltd cannot be held
responsible for any issues arising from the improper use or maintenance of equipment
referred to in this manual or failure of the operator to adhere to the instructions laid out in
this manual. The user must be familiar with the contents of this manual before use or
operation.

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WARNING
Information in this manual is copyright 1993 –2016, Applied Acoustic Engineering Ltd.
This manual is loaned without other consideration than the agreement and condition
that it is not to be reproduced, copied or otherwise disposed of directly, and is not to
be used in whole or in part to assist in or to furnish any information for the making of
drawings, prints, apparatus or parts thereof.
THIS EQUIPMENT CONTAINS LETHAL VOLTAGES,AND MUST BE
EARTHED AT ALL TIMES.
ENSURE ADEQUATE SAFETY PROCEDURES ARE EMPLOYED.

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Section 1 - OPERATIONAL
1.1. Environmental Considerations
Seismic Sound Sources and Marine Life
Although not proven, there is concern in some quarters that marine mammals may be
harmed or their behaviour changed by seismic activity. The sound pulses from sparkers
and boomers is much lower in amplitude and higher in frequency (so it will travel less
far) than air guns. However it makes sense that a precautionary approach to emitting
sounds in the whales and dolphins’ natural habitat should be observed.
The CSP energy sources described in this manual have the ability to “soft-start” and
increase the energy emitted in the water slowly over time and this technique will give
any marine mammals nearby the opportunity to escape before maximum signal
amplitude is reached. It will also give them a chance to get used to the noise if they
choose to stay (!) rather than being subjected to a sudden shock of a full power
seismic signal.
The procedure is quite simple:-
By using a slow repetition rate –say at 1 pulse per 15 seconds and by using the “Auto”
charge rate, the energy will slowly increase over the course of several minutes. Once full
power has been achieved, the repetition rate can then be slowly increased until the
rate desired for the survey has been achieved.
Another factor to consider is to ensure that the start of any survey line is not in such a
location that any cetacean is trapped by the vessel and the noise, for example in a
small harbour. In such an instance, the survey should start in such a place that any
cetacean in the vicinity has a clear and rapid means of escape into open water and
away from any unnatural noise source. Further details and advice can be obtained
from the following web site:-
http://www.jncc.gov.uk/pdf/Seismic_survey_guidelines_200404.pdf. This web site
refers to UK waters and relates to air guns as the sound source (in many ways different
to a sparker or boomer), but should serve as a useful guide nonetheless.

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1.2. Introduction
The CSP-SNv is an evolution of the CSP-S range of seismic power supplies. The CSP-SNv
has a high voltage charger rated at 4000 joules per second (peak), and can supply up
to 1250 or 2400 joules of energy per shot into the seismic sound source, for example
Dura-Spark. The CSP-SNv incorporates microprocessor control and configuration for
greater configuration flexibility and reliability whilst retaining a fail-safe logic design.
The CSP-SNv is built on the proven high voltage technology of the industry leading CSP
range of power supplies adding to the standard safety systems and operational
functions found across the entire range of CSP energy sources.
The CSP-SNv is configured by an intuitive menu driven app, when operational the LCD
provides real time system status for operational safety and monitoring.
The CSP-SNv feature a selectable soft-start ‘power save’ setting; AVIP (Automatic
Variable Input Power) which allows the units to be operated from reduced generator
sizes when operating at low output powers. Traditional high voltage power supplies
(bang boxes) will charge the energy storage capacitors at a fixed high rate for example
at 4000J per second even when the average energy drawn from the capacitors is less;
a typical example may be 100J at 3 pps (300J). This results in a rapid capacitor charge
rate for <30mS followed by nothing, until the next discharge / charge cycle. This charge
/ no charge operation can often result in generator hunting as the load changes, and
may mean that a larger generator is needed than would be the case if the power
requirement was averaged over time. By reducing the peak charge rate, the generator
hunting is all but eliminated, and a smaller capacity generator is required. The AVIP will
automatically adjust charge rate from 20% to 95% of specification, thus lowering the
peak charge rate to just 300J / second compared to bursts of 4000J / second.
The CSP-SNv allows the user to effectively ‘tune’ the sound source to operate at a lower
frequency by lowering the operating voltage and increasing the capacitance to supply
the correct energy to the sound source. This may be effective in certain instances
where more penetration is required.
The CSP-SNv monitor the output of the system for open circuit fault conditions and over
current fault conditions, limited to approx. 10,000A.

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The CSP-SNv is a 2-module system comprised of:
Control Unit
•System interface, control & monitoring
•HV Charger
•System mains input
Energy Unit
•Relay-switchable HV capacitor bank
•HV energy switch
•Output connector

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1.3. Installation
Siting the CSP-SNv
The CSP-SNv delivers high energy, high voltage pulses, yet still emits minimal electrical
emissions, and so can carry the CE mark.
The CE marking ensure that the CSP-SNv can be sited next to sensitive electronic
equipment which carry their own CE marking (for susceptibility to emissions) and will
be unlikely to cause them interference. However it is often more convenient to locate
the CSP-SNv nearer to the back deck and the deployment area so that the high voltage
‘output’ cable run is minimised.
As high voltages are present, the CSP-SNv must be located away from water spray and
condensation, in an environment which is not allowed to become too hot. Care should
be taken to allow safe and easy access, and that high voltage cables are out of harm’s
way. It should also be possible to switch off the unit quickly without having to reach
over it!
Ventilation should also be present. All units draw air in from the rear and exhaust air
from the front. For operation in high ambient temperatures, the rear cover of the transit
case should be removed to allow a good air flow. If condensation is allowed to develop
serious damage may occur. Good room ventilation should be ensured, with no sudden
change in temperature (i.e. bringing the unit into a warm room from a cold area) and
allow the fans to operate for 10 - 15 minutes before switching on the high voltage.
The CSP-SNv Unit will normally be supplied from the factory in a ‘Hardigg’ transit case.
As is the case with all electronic equipment, care should be exercised in handling. For
maximum airflow in high ambient temperatures it is recommended that the anti-
vibration housing rear panel be removed. The CSP-SNv should be positioned on its
base in a dry ventilated area. Airflow for cooling is from back-to-front of the unit; there
must be at least 50-60mm clear room from the rear panel to any obstruction. If the
unit is to be operated in very warm ambient temperature (25°C or above), for optimum
performance an air conditioned environment is strongly advised. If the unit overheats,
it will switch OFF for a few minutes until it is cool.
Although the unit produces minimal interference, and carries a CE mark, it is often good
practice to put the CSP-SNv away from the navigation and survey equipment and
somewhere where cabling to the sound source can be run conveniently and safely. It is
this cabling which is the most common source of electrical interference.

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EARTHING - FURTHER REMINDER
THIS UNIT MUST BE EARTHED / GROUNDED BEFORE ANY POWER IS APPLIED. FAILURE TO
DO SO MAY REPRESENT A SEVERE HAZARD TO BOTH EQUIPMENT AND PERSONNEL.
The front of the CSP-SNv must be grounded to the ship’s ground system. This is
achieved by attaching a short length of thick wire or earth braid from the CSP-SNv front
panel earth stud, to an appropriate earthing point on the vessel. If a suitable earth
cannot be found, the CSP-SNv earth stud should be connected directly to the water
using an adequate length of heavy wire, with the insulation removed from the
submerged end in the water. A weight will also be necessary to keep the wire
submerged when the vessel is underway.
The CSP-SNv range of Capacitor Discharge PSUs are compact and easy to operate.
However, the units still generate lethal voltages, and the operators should make
themselves aware of all necessary safety procedures. The equipment is designed so
that there is no need for the operator to go inside for anything, except major repairs.
We cannot be liable for any consequences should the units be opened. Health and
Safety guidelines and our own Safety Policy strongly suggest that factory training is
received before opening the top cover.

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1.4 Connections and Indicators
Safety Earth
The CSP-SNv MUST be earthed. The M8 earth bolt on the front panel should be
connected to the vessel earth by a heavy gauge wire or cable. Typically 25mm² or
greater. On larger ships, earth is usually a steel bulkhead, but for smaller fibre glass /
wooden vessels a sea earth is necessary.
A sea earth can be constructed from a 25 mm2 or larger copper cable with 1 –2 metres
of insulation stripped off with all the exposed copper conductor in the water. A weight
will be required to ensure that the sea earth cable is in the water at all times during
towing activity even during heavy roll.
It is recommended that earth arrangements are checked regularly as corrosion or
abrasion (or metal cutting gear!) can cause damage which may result in the
equipment becoming unsafe from having an ineffective earth.

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INTERLOCK
HV NEGATIVE
M8 THREADED
HV GND
M8 THREADED
Transducer: HV Output
The 2-pin proprietary high voltage and current terminal connector, is designed to be
provide a safe electromechanical connection from the CSP Power supply to the HV
Junction Box. The terminal connections are proof tested to 6000 volts and can operate
with current pulses up to 10,000 amps. The second connector provides the safety
interlock to the HV Junction Box.
The output connector is fitted with automatic guards to prevent operators from
handling the high voltage terminals when the cover is secured. When the cover is lifted
for access to the terminals a 2 stage electrical and mechanical interlock protects the
user disabling the high voltage and placing a shorting link across the terminals.
Ensure CSP-SNv is switched off and VAC isolated before removing HV
Output Connector Cover.
Ensure High Voltage terminals are clean and free of debris before
connection.
Ensure High Voltage terminals are tight using a M13 socket / ring
spanner.
Connect Red HV cable from junction box to the terminal marked HV and
the black cable to GND.

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Mains Input: Line Voltage Connection
Mains input is connected by the 3-Pin Amphenol on the left of the front panel. Nominal
input voltage is 230VAC 45-65 Hz. The wiring to this connector is as follows:-
A
Ground / Earth
B
Neutral
C
Live
A mains supply cable will be supplied from the factory with the following colour
coding:-
Green/Yellow
Earth
Blue
Neutral
Brown
Live
The operator must ensure that the AC supply is capable of supplying sufficient energy
to power the CSP-SNv unit. Although the unit will operate from most generators of 5kVA,
the quality and regulation vary considerably from make to make and how well they
have been maintained.
A voltage stabiliser is not necessary as any reasonable variation of the AC supply will
not affect the output voltage (hence power) unlike older designs.
NB Some older ‘inverter’ type generators do not work well with the CSP-SNv.
Typical Currents
At 2800J at 1 pps (AVIP out of circuit); Non PFC charger, the following currents apply:-
Voltage
Peak Current
Average
Current
240 VAC 50 Hz
40A
18A
(At 60 Hz, the peak currents are slightly smaller)
To see clearly the effect of the AVIP board the following measurements are typical:-
240 VAC at 50 Hz supply. 100J at 1 pps output power
Peak Current
Average
Current
AVIP IN
2.58A
1.06A
AVIP OUT
9.51A
1.11A

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COM Serial Connector
2 Receive Data (RXD)
3 Transmit Data (TXD)
5 GND
Allows operator to update control firmware. Refer Appendix A.
REMOTE Socket
Allows operator to remotely control CSP-SNv.
KEY IN Input BNC
The Key In Input is connected via a BNC connector. The unit can be configured to key on
a positive edge or negative key pulse trigger. The input range is 5 - 12 volts, the
interface is opto-isolated to 10KV. A contact closure can be interfaced by selecting
negative edge trigger mode.
KEY OUT Output BNC
The Key Out signal is available in internal and external key modes, key out is a synch
pulse for the time break signal for the discharge of the CSP-SNv.
The unit can be configured to be internal or external key operation. When internal mode
is selected the key out pulse is available from the Key Out BNC connector.
HV OFF / RESET Switch
This button operates as the HV OFF button and is an indicator of the HV Status. When
illuminated the HV is OFF, when HV is ON press HV OFF to switch OFF.
The HV OFF / RESET also operates as a fault clearance / system reset, press to clear any
reported fault modes upon power up or interlock shutdown. Note if fault persists the unit
will continue to report fault status. Any faults must be cleared to allow HV operation.
HV ON Switch
Switches in capacitors and HV PSU, (note delays on switching), switch illuminates when
the high voltage is switched on.
Press and Hold HV ON for 3 Seconds to enable High Voltage

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MANUAL KEY Switch
Triggers the CSP unit when Manual Key mode is selected. MANUAL KEY switch indicator
will flash briefly on key press.
MAINS POWER Switch
Double-pole switch that also acts as an over-current circuit breaker. It is situated
above the mains input connector. The switch has standard O I positions.
EMERGENCY STOP switch
In the event of an emergency the unit can be shut down. This switch shuts off the
control logic of the charger thus disabling the system. Rotate to reset.
KEY PAD
Navigate menu options
Select / change options
Select an option / sub menu
Exit to previous menu
EOC (End Of Charge) Indicator
The EOC LED is illuminated when the storage capacitors have reached their potential
voltage (~2.5 to 4 kV). In this way the operator can see if the unit is being run faster
than the charger can cope with. If the operator notices loss of data on the recording
system, it may mean the CSP-SNv is firing too quickly, not allowing the capacitors to
charge to their full potential. Slowing the repetition rate down until the EOC LED flashes
will ensure the appropriate voltage is reached across the storage capacitors, also the
correct energy is being discharged in the sound source. The LCD operation screen
displays a histogram of the EOC level for monitoring.
Manual Key Mode must be selected to active manual fire mode.

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KEY Indicator
Synchronised to Key Out.
HV Indicator
Indicates HV is enabled on system
Local / Remote Indicator
LOCAL Operation indicated by LED ON.
REMOTE Operation indicated by LED OFF.
FAULT Indicator
It will illuminate during internal fault modes, see LCD display for fault identification.
You will need to press RESET once the fault condition has been cured.
INTERLOCK Indicator
Illuminated if an interlock condition is detected, please see main display for details of
interlock. You will need to press RESET once the interlock fault condition has been
cleared.
TIME OUT Indicator
For safety, the HV is switched OFF after a user selectable period without a key pulse
present. This also helps preserve the capacitors, as all pulse discharge capacitors are
not designed to sit powered up indefinitely.
HV FAULT Indicator
Indicates an HV Output over-current, open-circuit condition or HV charger module
fault.

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Rear Panel Fuses
The rear panel contains 3 fuse holders, and these are the only things we recommend
the operator checks if he has not received factory training. The fuses are rated as
follows:-
F1 3A Antisurge 1¼" (240V)
F2 250mA Antisurge 1¼" (240V)
F3 3A Antisurge 1¼" (240V)
F1
Protects 12v power supply
F2
Protects the interlock board
F3
Protects the line voltage powering the high voltage relays and the front panel fans.
Fan Filters
The rear panels of the units have 2 fan filters for the cooling air intake. These filters
should be periodically cleaned to ensure maximum air flow. This can be done with a
small stiff brush.
SAFETY NOTICE
All interlocks and safety features are doubled. For example, if the HV connector is
removed, the HV is shut OFF by the logic which controls the charger module AND the
high voltage is switched OFF by a separate relay. The interlock circuit operates from its
own isolated 12V supply and operates 2 relays, as well as the control electronics.
However, it cannot be stressed enough that the operator and all those who might come
into contact with this equipment treat it with extreme caution and should not take any
safety feature for granted.
Ensure the CSP-SNv is electrically isolated from the sound source prior to any
user adjustments to the cabling or source. Despite being heavily insulated, the
HV cable should not be touched or held when the unit is operating. The load
should always be in the water before operation.

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1.5 Operation: System Configuration
On turn on, splash screen will detail CSP model and a safety warning:
Press OK to accept the safety warning.
Use to navigate menu options. Press OK to select.
Applied Acoustic Eng. Ltd.
CSP-SNv 1250
THIS UNIT CONTAINS LETHAL VOLTAGES AND MUST BE
EARTHED AT ALL TIMES.
ENSURE ADEQUATE SAFETY PROCEDURES ARE EMPLOYED
FOR OPERATION OF THIS UNIT.
Press OK to Accept
Main Menu
Operation
Settings
Information
12:34:56
OK to select 15-MAR-2019

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Settings
SETTINGS
Power:
Refer section Energy Settings
Level:
High
Low
Key:
Int (Internal)
Ext (External)
Manual (Key Press)
Key In Polarity:
Pos (Positive)
Neg (Negative)
Fire Delay:
On
Off
Fire Delay Time:
5uS to 500uS
Key Out Polarity:
Pos (Positive)
Neg (Negative)
Internal Rate:
200mS to 9975mS
Key In Timeout:
10 Seconds to 120 seconds
AVIP:
On
Off
Flip-Flop:
On
Off
QC Log Output:
On
Off
Local / Remote:
Local
Remote
LCD Contrast:
0% to 100%
System settings are saved and restored on power up.