Megger BM5200 Quick start guide
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M
BM5200 Firmware Upgrade Manual
Issue: 1
Date: 12.08.2010
81126
CN24131
COPYRIGHT © MEGGER LIMITED 2010
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CONTENTS
Revision History………………………….. 3
Definition of Terms………………………. 3
Safety Warnings and Hazards…………. 4
Disassembly Instructions……………….. 5/6
Renesas R8a Debugger………………… 7
BM5200 Firmware Updating……………. 7
Programming Instructions………………. 8/9
Reassembly Instructions…………………9
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Revision History
Date Revision Description Author
12.08.2010 1 First issue released on CN24131 C.Nicholls
DEFINITION OF TERMS
The following terms are used in this document.
MUST – Used to indicate instructions that if not followed will expose the user
to unnecessary risk.
Should – Used to indicate a recommended approach.
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SAFETY WARNINGS AND HAZARDS
When upgrading the firmware on the BM5200 the user will require access to
the PCB. The following warnings MUST be observed.
When the unit is powered the PCB has high voltages present on it. Suitable
precautions MUST be taken i.e. disconnect all test leads and the battery
connector.
The PCB assembly contains static sensitive components. Suitable
precautions should be taken when handling this item.
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DISASSEMBLING THE BM5200
When assembling or disassembling the MTB7671 please refer to the following
photographs and notes.
REMOVING THE REAR CASE.
The instrument must be switched to the OFF position.
Remove the rubber feet (4 – off). These are adhesive fixed.
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Remove crosshead screws (4 – off)
Carefully remove the rear case moulding.
Disconnect the battery connector from the PCB. Note orientation.
The HV wires connecting the terminals to the PCB must not be
disconnected.
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RENESAS R8A DEBUGGER.
To update the firmware on the BM5200 a Renesas R8a debugger
(R0E0008AKCE00) is required.
This equipment is supplied complete with PC software and a connecting lead.
The PC software ‘Renesas Flash Development Toolkit’ needs to be V4.01
release 01 or greater in order to support the microprocessor used on the
BM5200.
If the CD contains and earlier version of software the latest version can be
downloaded from:
http://www.renesas.com/products/tools/flash_prom_programming/fdt/downloa
d_search_results.jsp.
The software should be installed on a PC following the manufacturer’s
instructions.
BM5200 FIRMWARE.
The firmware needs to be supplied as an .fpf file format.
The latest version of the firmware 1001-301 Vx.x BM5200 (whereVx.x is the
latest version) can be downloaded from the official Megger Ltd. Internet site.
Authorised Repair Centers can access this data by requesting permission to
the BM5200 service internet site. An email should be submitted to
The R8a debugger should be connected to the serial connector on the
Control PCB as shown. Note orientation.
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UPDATING THE FIRMWARE.
After connecting R8a debugger and downloading the latest version of
firmware 1001-301from the Megger Internet site, the following instructions
should be followed:
Double click the .fpf file to run the Flash Development Toolkit.
Initially you will see this dialogue box.
Select Power Supply at 5.0V
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Click OK to select USB device.
BM5200 will now be re-programmed
Check for green message.
Re-assembling the BM5200
Disconnect the R8a debugger lead from the PCB
Plug the battery connector back onto the 3 pin plug on the PCB. Note
the correct polarity of this plug is when the centre pin is connected to
the +ve red wire and the lead must pass through the aperture in
the clear HV insulating screen before plugging to the PCB.
Close the rear case moulding over the front case moulding ensuring
that the HV wires and the battery wires are not trapped by the edges of
the mouldings.
Secure the mouldings together with the 4 crosshead screws. Do not
over tighten these screws as this will damage the plastic moulding.
Fix the 4 self adhesive feet over the screw holes.
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