Honeywell TA3840 User manual

Data Processing Racks
TA3840
Maintenance Manual
SAS au Capital de 2 158 244 € - 444 871 933 R.C.S. Bourges - APE : 2651B
Headquarter: 9, rueIsaac Newton- 18000 Bourges - France

Data Processing Racks
Maintenance Manual
TA3840
1st
Edition
Released February 2013

INTRODUCTION
This manual is issued specifically for the data processing racks of the TA3840 or EMx40 system.
It contains instructions detailed for functioning, operation and cleaning of this system.
To use it in an optimal way, we advise you TO READ CAREFULLY THESE
INSTRUCTIONS and to respect them throughout the life of the equipment.
Keep this manual to hand so that you can refer to it at any time. Ensure that it is
complete and kept close to the equipment.
The racks TA3840C and TA3840S, as well as the TA3840R repeater module are integrated in the
system for processing the tankers liquid cargo. Maintenance must be carried out by a qualified
operator in communicating electronic systems.
We also draw your attention to the fact that the connection of equipments or the use of products
other than those recommended by HONEYELL MARINE may present risks for which we will not be
liable.
This manual must not be reproduced in any form whatsoever without the prior written approval of
Honeywell Marine who cannot be held responsible for any use of the information contained in this
manual.
As we want you to take advantage of the most of the latest technology and new equipment, as well
as to benefit from our experience, our equipments may undergo technical or design changes. As a
result, some of the features and information in this manual may change without prior notice and
without any obligation to up-date it.
Should you encounter any problems or have any questions about your TA3840 or EMx40 system,
please do not hesitate to contact your nearest Honeywell Marine customer service.
Other documents
The description and the operation of the racks TA3840C/R and TA3840S are described in the
MT5008E technical manual.
The installation of the racks TA3840C/R and TA3840S is described in the MI5008E installation
manual.
SAFETY PRECAUTIONS:
In order to avoid the electric shock or fire hazards, do not expose the equipments
to water projections. Take care to switch the power off before proceeding to any
disconnection or removal of the racks.
Never introduce parts, in particular metal ones, in the air vents of the racks.
Ensure that the racks are well ventilated and that the air vents are not covered.
Take care to maintain the racks distant from
all heat sources (heating
appliances…).

Regulation marking
The manufacturer and specifications plate of TA3840S rack is stuck on the rear face.
Warning:
Our equipments are designed and manufactured in accordance with local
safety regulations, and in particular European directives relative to reconciling
member states' legislation:
●89/336/EEC and 2004/108/EC "Electromagnetic compatibility",
●ATEX 94/9/EC"Equipment and protective systems intended for use in
potentially explosive atmospheres",
●96/98/EC "Marine equipment".
They are intended for professional use and must be installed, used and
maintained by competent staff who is qualified in this type of equipment.
In particular we wish to draw your attention to the fact that we cannot be held
responsible if:
●Any technical alterations are made to our appliances without our written
authorization,
●Our equipments are damaged by being operated in conditions other than
the intended usage of their technical classification (power supply,
temperature, environment, etc.).
The safety instructions given in this manual are merely given for guidance
purposes to protect you and all those using and working on our equipments.
Honeywell Marine cannot foresee all dangerous situations that might arise.
This is why the owner and/or the operator is responsible for the operating
safety of the system.
Regulations of the ship classification society may impose procedures
(health and safety, fire prevention, handling of hazardous substances,
etc.) which are stricter than those given in this manual. In this case, the
regulations must be followed.
Manufacturer's name
and address
Serial number
Manufacturing month and year
EC marking for directive 94/9/EEC,
equipment
– class IIB (refer to
"Technical specifications" paragraph)
EC marking for directive 94/9/EEC,
equipment
– class IIC (refer to
"Technical specifications" paragraph)

TABLE OF CONTENTS
1. SYSTEM DESCRIPTION...............................................................................................................6
Presentation...................................................................................................................................6
Electronic boards............................................................................................................................7
TA3840R - Remote display unit......................................................................................................8
2. SYSTEM MAINTENANCE..............................................................................................................9
Maintenance help...........................................................................................................................9
Software updating ........................................................................................................................13
3. TROUBLESHOOTING GUIDE.....................................................................................................15
4. REMEDIAL MAINTENANCE........................................................................................................19
Recommended spare parts ..........................................................................................................19
Repair procedures........................................................................................................................19
5. SPARE PARTS LIST....................................................................................................................24
6. INFORMATIONS..........................................................................................................................26
Claim report..................................................................................................................................26
Return for repair...........................................................................................................................26

Doc No: MM5008E – Revision 6 – ENG
Data Processing Racks
TA3840 Maintenance Manual
6
1. SYSTEM DESCRIPTION
Presentation
The racks TA3840C communication unit, TA3840R remote display unit, TA3840S safety unit are
parts of the TA3840 system or EMx40 system, dedicated to monitor the tankers' liquid cargo
parameters such as level, temperature and pressure, as well as all associated measurements, for
the installed transmitters.
The rack TA3840C A/D Analog data collection unit is part of the TA840 System.
The racks TA3840C, TA3840C A/D and TA3840S are installed in a 19" cabinet, whereas the panel
TA3840R is installed in a wall mounting box or provided to be flush mounted in a console.
The general description and the operation of the system are described in the MT5008E technical
manual.
SAFETY PRECAUTIONS:
Maintenance intervention should be carried out on the connections and electronic
boards with electrical power off.
The equipments must be wired up by a qualified electrician. The mains connection,
grounding, circuit breaker and protection must conform to the standards and
regulations in force (these parts are not included in those we supply). We cannot
be held responsible for damage caused directly or indirectly by faulty installation.
Communication
Safety unit
Additional safety

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TA3840 Maintenance Manual
7
Electronic boards
TA3840C - Communication unit
●Remove the 2 upper screws of the front panel.
Tilt the front panel while maintaining it to prevent that it goes out from its
hinges - Risk of deterioration by falling.
1 Power supply and communication board
2 Control Processing Unit board
3 LCD display board
4 4-20 mA analog inputs boards, 48 channels each (option),
or multifunction boards (option)
TA3840C A/D - Data collection unit
Only the items 1 and 4 are present. The front panel is blind.
TA3840S - Safety unit
●Remove the 2 upper screws of the front panel.
Tilt the front panel while maintaining it to prevent that it goes out from its hinges -
Risk of deterioration by falling.
2
1
4
3

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1 Power supply board
2 Location of Control Processing Unit board (option)
3 Radar transmitter supply board
TA3840R - Remote display unit
●Remove from the back the 6 nuts fixing the front panel using a 7 mm spanner.
1 Communication board
2 LCD display board
3
2
1
up to 7 other radar transmitter
supply boards
2
1

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2. SYSTEM MAINTENANCE
Maintenance help
●From the main menu of the normal mode, select the UTILITIES menu, then MODE and MNT
(main menu functions are described in the "OPERATION IN NORMAL MODE" chapter of the
MT5008E technical manual).
●Enter the "6854" password or another code chosen at the system definition.
●Push [ENTER], the maintenance mode menu is open.
Maintenance menu functions
Following functions are available from the maintenance menu.
UP Go to the previous page
DOWN Go to the following page
RAW Display of the raw values for a transmitter of the current page
HIST Historic of the system faults
RTN Return to the main menu after confirmation by "Yes" or "No"
MAINTENANCE menu
RAW menu
UP Go to the previous line
DOWN Go to the following line
OFST Offset modification for the displayed transmitter (group 1 and 2 only)
ZLN Zero line modification for the displayed transmitter
ACK Acknowledgment of an alarm started during intervention in maintenance mode
(1 push for each alarm)
RTN Return to the current page or maintenance menu

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RAW menu
The RAW menu allows to display the raw values measured by each transmitter and to modify its
measure reference from bottom (zero line). For each radar transmitter of 1 and 2 groups, it is also
possible to modify its measure reference from top (OFFSET).
●From the MAINTENANCE menu, select the page group for the transmitter to be displayed with
UP or DOWN.
●Push RAW , a sub-menu and a dedicated screen for the first transmitter of the group are
displayed.
●Consult the raw values of a transmitter in particular by selecting it with UP or DOWN.
Two types of intervention are then possible, modification of the offset and the zero line.
Various types of displays
Each type of transmitter has its specific display:
●Radar transmitters,
Name Addr Dist
mm
H max
mm
Ofst
mm
Zln
mm
TA01 1 3500 10600 -600 5
Transmitter
name MODBUS slave No Distance measured by
the radar
Maximum height
of the tank upright
the radar
Offset
(changeable
parameter)
Distance
zero line
(changeable
parameter)
TmpH
TmpM
TmpL
ADC
Zln
oC
oC
oC
IG
mBAR
210 220 230 1220 50
Individual Temperatures Pressure
code Pressure zero line (changeable
parameter)
NOTES:
The function keys of certain sub-menus are for transmitter or option selection
shown in this document by the following symbols.
ñ
PREV
ò
NEXT
Reminding: [ENTER] key of the numeric keypad appears in this manual under the symbol Ã.
Pushing a forbidden key causes a short beep from the buzzer (if activated).