OHAUS Defender 5000 TD52P User manual

Defender5000 Indicators
Service Manual
TD52P
TD52XW
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

i Defender 5000 Indicators Service Manual
TABLE OF CONTENTS
1. INTRODUCTION.......................................................................................................................................... 1
1.1 DEFINATION OF SIGNAL WARNING AND SYMBOLS ........................................................................... 1
1.1.1 Safety Precautions.............................................................................................................................. 1
1.1.2 Relay Option Safety Precautions ........................................................................................................ 1
1.2 SERVICE FACILITIES............................................................................................................................... 2
1.3 TOOLS AND TEST EQUIPMENT REQUIRED ......................................................................................... 2
1.3.1 Special Tools and Test Equipment List............................................................................................... 2
1.3.2 Standard Tools and Test Equipment List............................................................................................ 3
1.4 OVERVIEW OF PARTS AND CONTROLS............................................................................................... 3
1.4.1 TD52P ................................................................................................................................................. 3
1.4.2 TD52XW.............................................................................................................................................. 4
1.4.3 MAIN PC BOARD................................................................................................................................ 5
1.5 CONTROL FUNCTIONS ........................................................................................................................... 6
1.6 EXTERNAL CONNECTIONS .................................................................................................................... 7
1.6.1 Scale Base with Connector................................................................................................................. 7
1.6.2 RS232 interface Cable to TD52P........................................................................................................ 7
1.6.3 AC Power to TD52P............................................................................................................................ 7
1.6.4 AC Power to TD52XW......................................................................................................................... 7
1.6.5 Battery Power...................................................................................................................................... 7
1.7 Internal Connections.................................................................................................................................. 7
1.7.1 Opening the Housing........................................................................................................................... 7
1.7.2 Scale Base Without Connector ........................................................................................................... 8
1.7.3 RS232 Interface Cable to TD52XW .................................................................................................. 10
1.7.4 MICRO SD Card Installation ............................................................................................................. 10
1.8 TD52XW Rear Housing Orientation......................................................................................................... 10
1.9 Mounting Bracket..................................................................................................................................... 10
2SETTINGS.................................................................................................................................................. 11
2.1 Menu Structure.................................................................................................................................. 11
2.2 Menu Navigation...................................................................................................................................... 13
2.3 Calibration Menu...................................................................................................................................... 14
2.3.1 Zero Calibration................................................................................................................................. 14
2.3.2 Span Calibration................................................................................................................................ 15
2.3.3 Linearity Calibration........................................................................................................................... 16
2.3.4 GEO Adjustment ............................................................................................................................... 17
2.4 Setup Menu.............................................................................................................................................. 17

ii Defender 5000 Indicators Service Manual
2.4.1 Capacity Unit..................................................................................................................................... 18
2.4.2 Range................................................................................................................................................ 18
2.4.3 Capacity ............................................................................................................................................ 18
2.4.4 Graduation......................................................................................................................................... 18
2.4.5 Language .......................................................................................................................................... 19
2.4.6 Power On Zero.................................................................................................................................. 19
2.4.7 Power On Unit................................................................................................................................... 19
2.4.8 Key Beep........................................................................................................................................... 19
2.4.9 Transaction Counter.......................................................................................................................... 19
2.4.10 Password......................................................................................................................................... 20
2.4.11 Reset............................................................................................................................................... 20
2.5 Readout Menu ......................................................................................................................................... 20
2.5.1 Stability.............................................................................................................................................. 20
2.5.2 Zero Range ....................................................................................................................................... 20
2.5.3 Filter Level......................................................................................................................................... 20
2.5.4 Auto Zero Tracking............................................................................................................................ 21
2.5.5 Auto Dim............................................................................................................................................ 21
2.5.6 ScreenSaver...................................................................................................................................... 21
2.5.7 Auto Off ............................................................................................................................................. 21
2.5.8 Adjust Contrast.................................................................................................................................. 21
2.5.9 Reset................................................................................................................................................. 21
2.6 Discrete I/O.............................................................................................................................................. 22
2.7 Weighing Unit........................................................................................................................................... 23
2.7.1 Gram (g)............................................................................................................................................ 23
2.7.2 Kilogram (kg)..................................................................................................................................... 23
2.7.3 Pound (lb).......................................................................................................................................... 23
2.7.4 Ounce (oz)......................................................................................................................................... 23
2.7.5 Pound: Ounce (lb: oz) ....................................................................................................................... 23
2.7.6 Tonne (t)............................................................................................................................................ 23
2.7.7 Ton (ton)............................................................................................................................................ 23
2.7.8 Custom Unit (c) ................................................................................................................................. 24
2.8 GMP Menu............................................................................................................................................... 24
2.8.1 Date Format ...................................................................................................................................... 24
2.8.2 Date................................................................................................................................................... 24
2.8.3 Time Format...................................................................................................................................... 24
2.8.4 Time................................................................................................................................................... 25
2.8.5 Project ID........................................................................................................................................... 25
2.8.6 Scale ID............................................................................................................................................. 25

iii Defender 5000 Indicators Service Manual
2.8.7 Reset................................................................................................................................................. 25
2.9 Communication........................................................................................................................................ 25
2.9.1 RS232/2nd RS232 Configuration ....................................................................................................... 25
2.9.2 Print Setup of RS232/2nd RS232 ..................................................................................................... 27
2.9.3 RS485 Configuration......................................................................................................................... 29
2.9.4 Ethernet Configuration ...................................................................................................................... 29
2.9.5 Wifi Configuration.............................................................................................................................. 29
2.9.6 Bluetooth Configuration..................................................................................................................... 29
2.9.7 Analog ............................................................................................................................................... 29
2.10 Service Menu......................................................................................................................................... 29
2.10.1 RAMP.............................................................................................................................................. 29
2.10.2 Expand ............................................................................................................................................ 29
2.10.3 Firmware Update............................................................................................................................. 30
2.10.4 Factory Reset.................................................................................................................................. 30
2.10.5 Board Info........................................................................................................................................ 30
3MAINTENANCE......................................................................................................................................... 30
3.1 Model T52P Cleaning........................................................................................................................ 30
3.2 Model TD52XW Cleaning.................................................................................................................. 30
3.3 Troubleshooting................................................................................................................................. 31
3.4 Service Information............................................................................................................................ 31
4TECHNICAL DATA.................................................................................................................................... 32
4.1 Specifications........................................................................................................................................... 32
4.2 Accessories and Options......................................................................................................................... 33
4.3 Table of Geo Values ................................................................................................................................ 34
5REPLACING MAJOR COMPONENTS (INDICATOR).............................................................................. 35
5.1 Printed Circuit Board (PCB) Replacement............................................................................................... 35
5.2 LCD Replacement................................................................................................................................... 40
5.3 Cable Set Replacement........................................................................................................................... 41
5.3 Function Label Replacement................................................................................................................... 42
5.4 Transformer Replacement ....................................................................................................................... 43
APPENDIX A. CONFIGURING THE MAIN PCBA ........................................................................................... 45
APPENDIX B. SOFTWARE UPDATE VIA SERVICE TOOL ........................................................................... 47
APPENDIX C. SOFTWARE UPDATE VIA MICRO SD CARD ........................................................................ 49

1 Defender 5000 Indicators Service Manual
1. INTRODUCTION
This service manual contains the information needed to perform routine maintenance and service on the
Defender 5000 Series Scales. There will be two parts for the service manual where first part will describe
the service on the Indicator as this manual and second part would describe the service for the bases, please
refer to Defender Series Base Service Manual. Please read this manual completely before repair and
maintenance.
1.1 DEFINATION OF SIGNAL WARNING AND SYMBOLS
Safety notes are marked with signal words and warning symbols. These show safety issues and warnings.
Ignoring the safety notes may lead to personal injury, damage to the instrument, malfunctions and false
results.
1.1.1 Safety Precautions
For safe and dependable operation of this equipment, please comply with the following
safety precautions:
Verify that the input voltage range printed on the data label matches the local AC power to be used.
Make sure that the power cord does not pose a potential obstacle or tripping hazard.
Use only approved accessories and peripherals.
Operate the equipment only under ambient conditions specified in these instructions.
Disconnect the equipment from the power supply when cleaning.
Do not operate the equipment in hazardous or unstable environments.
Do not immerse the equipment in water or other liquids.
Service should only be performed by authorized personnel.
The TD52XW is supplied with a grounded power cable. Use only with a compatible grounded power
outlet.
1.1.2 Relay Option Safety Precautions
This equipment may have an optional AC or DC Relay Option board installed. This option allows external
devices to be controlled by the Indicator.
CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TO
THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS. THE
HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL,
SUCH AS AN ELECTRICAL TECHNICIAN.
Before making connections to the Relay terminals, remove power from the system. If the system contains
an optional rechargeable battery system, be sure that the ON/CLR Off button is used to fully turn off the
system after removing the AC power plug.
More detailed installation instructions are included with the Discrete I/O kit at the time of purchase.

2 Defender 5000 Indicators Service Manual
1.2 SERVICE FACILITIES
To service an indicator, the service area should meet the following requirements:
Must be protected from electrostatic discharge.
Should be temperature controlled and meet the indicator specifications for temperature
environmental requirements. See specifications for temperature range.
Must be free of vibrations such as fork lift trucks close by, large motors, etc.
Must be free of air currents or drafts from air conditioning/heating ducts, open windows,
people walking by, fans, etc.
Area must be clean and air must not contain excessive dust particles.
Work surface must be stable and level.
Work surface must not be exposed to direct sunlight or radiating heat sources.
1.3 TOOLS AND TEST EQUIPMENT REQUIRED
In order to properly service the Indicator, certain special tools and test items are required in addition to
standard electronic tool kits. These items are listed as follows:
1.3.1 Special Tools and Test Equipment List
1. Ohaus Scale Base.
2. Load Cell Simulator optional.
3. Computer with RS232 Interface for testing the RS232 communications.
4. RS232 Interface cable.
5. Data Printer for use with RS232 communications.
6. ESD work station or mat.

3 Defender 5000 Indicators Service Manual
1.3.2 Standard Tools and Test Equipment List
1. Standard Electronics Tool Kit
2. Digital Voltmeter (DVM), with clip on probes. Input impedance of at least 10 megohms in
the 1 Volt dc position.
3. Soldering Iron, solder and flux remover.
1.4 OVERVIEW OF PARTS AND CONTROLS
1.4.1 TD52P
TABLE 1-1 TD52P PARTS
Item
Description
1
Data Label
2
Front Housing
3
Control Panel
4
Mounting Bracket
5
Screw (4)
6
Adjusting Knob (2)
7
Security Screw
8
Accessory Cover
9
Rear Housing
10
Power Connector
11
RS232 Connector
12
Load Cell Connector
1
2
3
6
9
8
4
5
7
10
11
12
Figure 1-1 TD52P Indicator

4 Defender 5000 Indicators Service Manual
1.4.2 TD52XW TABLE 1-2 TD52XW PARTS
Item
Description
1
Control Panel
2
Front Housing
3
Screw (6)
4
Adjusting knob (2)
5
Rear Housing
6
Mounting Bracket
7
Load Cell Connector
8
Strain Relief for Option
9
Power Cord
10
Strain Relief for Option
3
4
5
6
1
2
7
8
9
Figure 1-2 TD52XW Indicator
10

5 Defender 5000 Indicators Service Manual
1.4.3 MAIN PC BOARD
Figure 1-3 Main PC Board
TABLE 1-3 MAIN PC BOARD
Item
Description
1
IO/Analog/RS232-RS485-USB Device (J11)
2
SD Card (J8)
3
Rechargeable Battery Pack (J9)
4
USB Host/Ethernet (J4)
5
Security Switch (SW1)
6
Load Cell (J12)
7
RS232 (J5)
8
Load Cell (J3)
4
7
2
1
3
5
6
8

6 Defender 5000 Indicators Service Manual
1.5 CONTROL FUNCTIONS
Button
Action
Short press: If the terminal is Off, power on the terminal; if the terminal is On, clear the
data input.
Long press: Power off the terminal.
Short press: Send the current display value to RS232 port in the case where the
"Communication -> RS232 setup->Assignment->Demand" is "On".
Long press: Change the current weighing unit. Press and hold the key to scroll through
the list of enabled units. Release the key to switch to the unit selected.
Short press: Press the key to enter the Library.
Long press: Press and hold this key to change weighing modes. Press and hold the key
to scroll through all weighing modes. Release the key to switch to the mode selected.
Short press: Press the key to enter user profile.
Long press: Press the key to enter user menu.
The soft keys correspond to several icons at the bottom of the display area. These icons
indicate configuration, ID input, accumulate, exit, etc. (available in certain
circumstances).
To enter ‘2’-‘9’, press the numeric button in the mode of numeric input.
To Enter ‘A’, press 2 times in the mode of uppercase input. To
enter ‘Z’, press 5 times in the mode of lowercase input.
To enter ‘0’, press the button in the mode of numeric input. To enter a
space, press the button in the mode of uppercase or lower case input.
To enter '1', press the button in the mode of numeric input. To enter '#'
or '/', press the button in the mode of uppercase input. To enter '@', '_'
or '&', press the button in the mode of lowercase input.
Switch between three input modes, namely, numeric, lowercase and
uppercase input.
To enter '.', press the button in the mode of numeric input. To enter '+' or
'-', press the button in he mode of uppercase or lowercase input.
Short press: When the load on the pan is within the zero range, press this key to set the
display to zero.
Short press: When a tare has been entered and the load on the pan is within the zero
range, press this key to clear the tare value and set the display to zero.
Short press: When a container is on the pan, press this key to store the weight of the
container as the tare value.
Short press: Enter the known weight of a container using the numeric keypad, and then
press this key to establish the preset tare value.
Short press: When a tare has been entered, empty the pan and press this key to clear
the tare value.
Long press: If a preset tare has been entered, press this key to view the preset tare
value.