Mebay HM500 User manual

HM500 DISPLAY PANEL OF GENERATOR
CONTROLLER USER MANUAL
V1.1

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
1
Version
No.
Version
Date
Note
1
V1.0
2020-07-1
Original release.
2
V1.1
2020-12-22
Update AUX option description
Chongqing Mebay Technology Co.,Ltd
Add: No6-2,Building 4, Gangan Rd, Jiangbei District, Chongqing.
Tel：[phone]
Fax：[phone]
Web：http://www.mebay.cn
http://www.cqmb.cn
E_mail：[email protected]

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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Symbol Description
Symbol
Description
Note
Remind operators to operate correctly, otherwise it may cause
the equipment not to work correctly.
Be care
It is indicated that potential hazards can damage equipment
without proper precautions.
Warning
It is indicated if appropriate preventive measures are not taken,
potentially dangerous situations may result in death, serious
personal injury or significant property losses.

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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Warning
1. The installation of this equipment must be carried out by professionals.
2. When installing and operating the controller, please read the entire instruction
manual first.
3. Any maintenance and commissioning of the equipment must be familiar with all the
equipment.
4. t, safety standards and precautions in advance, otherwise it may cause personal
injury or damage to related equipment.
5. The engine must have an overspeed protection device independent of the
controller system to avoid casualties or other damage caused by engine out of
control.
6. After the installation of the controller is completed, please verify that all protection
functions are valid.
Be Care
1. Please keep the good connection of the power supply of the controller. Do not
share the connection lines of the positive and negative electrodes of the battery
with the floating charger.
2. During the operation of the engine, do not disconnect the battery, otherwise it may
cause damage to the controller.

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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CATALOGUE
1. Summary................................................................................................................ 5
2. Main Features........................................................................................................5
3. Parameters............................................................................................................ 5
4. Overall Dimension and Wiring Diagram............................................................ 6
5. Installation instruction...........................................................................................7
7. Control and operation instruction....................................................................... 8
8. Control and operation instruction..................................................................... 10
9. Warnings and Shutdown Alarms...................................................................... 12
10. Parameters setting........................................................................................... 20
11. Fault finding....................................................................................................... 33
Notes:
1. All rights reserved. No part of this duplication may be reproduced in any material
form (including photocopying or storing in any medium by electronic means or others)
without the written permission of the copyright holder.
2. MEBAY Technology reserves the rights to change the contents of this document
without prior notice.

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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1. Summary
This display panel controller is specially designed for the display of FM700 series
products, and has the functions of starting, stopping, parameter monitoring, fault
monitoring and parameter setting.
3.5inch LCD screen display with brand new UI design is adapted in this
controller that the relative failures can be displayed directly. All the parameters can
be displayed by simulated indicators and words.
2. Main Features
Mainly used with FM7000 series products, and can be split and replaced.
Dual core 32bit high performance single chip microcomputer.
3.5 inch 240 * 128 high-resolution LCD screen, comes with Chinese and English
switchable, various languages can be customized according to customer needs,
removable installation.
Indicator and number display through UI surface.
Acrylic material is adapted to protect the screen.
Silicone panels;
3. Parameters
Options
Parameters
Working voltage
FM7000 Motherboard power supply
Power consumption
Working：5V：MAX 0.5W
Working condition
-25-70℃
Storage condition
-40-80℃
Protection Level
IP54：when waterproof rubber gasket is added
between controller and its panel
Insulation strength
Apply AC1.5kV voltage between high voltage terminal
and low voltage terminal; The leakage current is not
more than 3mA within 1min.
Overall dimension
210mm*160mm*50mm
Panel cutout
W186mm*H142mm.
Weight
0.2Kg

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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4. Overall Dimension and Wiring Diagram
Overall Dimension:

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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HM500 Descriptions of terminal connection
No.
Function
Description
5-position terminal
Connect to the main control board.
5. Installation instruction
The controller is fixed by four special fixing members and screws, and the screws
of the metal fasteners cannot be too tight.
Panel Cutout: W186mm*H142mm.
Note: If the controller is installed directly in the genset shell or other fluctuated
equipment, the rubber pad must be installed.

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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6. Panel and display
7. Control and operation instruction
Key Function Description
KEYS
NAME
Main Function
Stop
Reset
Revert
Can stop generator under manual/auto mode;
Can reset shutdown alarm
During stop procession, pressing this key again can stop
generator immediately.
Pressing this key can cancel the setting and back to
upper class under edition.
Under the setting mode with checking data, the data can
be saved and system will exit after pressing.
In the standby state, press for 3 seconds to enter the
historical alarm recording interface.
Start
Start the genset under manual mode.
Pressing this key can start the genset under manual
testing mode.
Manual
Pressing this key will set the module into manual mode.
Auto
Pressing this key will set the module into auto mode.
TEST
Pressing this key to come into manual testing mode.
Under testing mode, pressing MANUAL can start the
genset and transfer to normal loading after running which
is to test if the auto start is in normal status.
Mains on load
Close/On
Test
LED Test/MUTE
LCD
Left
Up
Right
OK/HOME
Down
Stop
Manual Start
Manual
Auto
Running
Warning
Alarm
Gens on load
Gens status
Mains Status

HM500 DISPLAY PANEL OF GENERATOR CONTROLLER USER MANUAL
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LED Test/
Warning clear
Test if all LED lights are ok, pressing this key to test if all
lighted, all off when loosen it.
Under warning, pressing this key can clear warning and
controller will re-check warning.
Under alarm, pressing this key can clear the buzzer call.
Pressing this key in 3 seconds can clear the buzzer call,
pressing it again in 3 seconds can recover the buzzer call.
Gens/ Mains
Close/On
Under manual mode, pressing this key can transfer load
to genset/mains.
Left
Under display mode, pressing this key to turn left page.
Under edition mode, pressing this key to move the digit.
Right
Under display mode, pressing this key to turn right page.
Under edition mode, pressing this key to move the digit.
Up
Under display mode, parts of the page can move up.
Under edition mode, pressing this key to move the digit
or increase the numbers.
Under records mode, pressing this key to move the digit.
Down
Under display mode, parts of the page can move down.
Under edition mode, pressing this key to move the digit
or decrease the numbers.
Under records mode, pressing this key to move the digit.
OK
Confirm the change under edition mode.
Page exited under records checking mode.
In the display mode, press to return to the display
homepage;
In standby state, press for 3 seconds to enter the
parameter setting mode.
+
Setting mode
Pressing OK and STOP simultaneously to come into
setting mode
+
Alarm
Records checking
Pressing STOP and RIGHT to check the records and
any buttons pressed to exit from the page.
Alarm records checking
HM500 controller can save 14 group of alarm records which contains the alarm
record data includes detailed data such as alarm time, generator parameters, engine
parameters, etc.
How to check the alarm records:
1)Enter alarm record page: In the standby state, press and hold the for more
than 3 seconds to enter the historical alarm recording interface;
2)Press to turn upper digit and press to turn lower digit in order to
choose the record you need. Press to confirm the record and come into
history records checking page.