Hyena DC-A250+ User manual

Product Manual
DC-A250+
Original Instruction
Version 221018
Copyright © 2022 HYENA INC. All Right Reserved.

Table of Contents
Introduction
Product Features
Product Description ..................................................................................1
Parts Description ......................................................................................1
Product Dimension ...................................................................................2
Pin Definition.............................................................................................3
Technical Data
Characteristic............................................................................................6
Certification...............................................................................................6
Protection..................................................................................................6
Software Standard Function .....................................................................7
Mounting
Tool List ....................................................................................................8
Accessory List...........................................................................................8
Mounting Instructions................................................................................8
Safety Instructions
Important Notice .......................................................................................9
Moving and Storage Instructions ..............................................................9
Maintenance .............................................................................................9
Product Label............................................................................................9
Disposal....................................................................................................9

HYENA E-BIKE SYSTEMS
1
Introduction
This manual is intended primarily for the trained technician to install, disassemble, or maintain the Hyena e-bike
system only. Please read all the safety warnings and instructions carefully. Failure to follow the warnings and
instructions may result in death or severe injuries. Save this manual for future reference.
Product Features
Product Description
The DC-A250+ e-bike controller features high efficiency, simple design, and compact size, compatible with
BC-A320 Battery and all Hyena e-bike system components. Including motor, sensor, front light, rear light, and
HMI, throttle to program and deliver precise e-bike performance.
Parts Description
Item
Description
Item
Description
A
Controller housing
D
HMI connector
B
Motor connector
E
Rear light connector
C
Sensor connector
F
Battery connector
A
B
C
D
E
F

HYENA E-BIKE SYSTEMS
2
Product Dimension
DC-A250+ Controller
DC-A250+ Controller with BC-A320 Battery Holder and Rail
A. Rear Light Connector
Cable OD: Ø 3.6 mm
Outer Diameter: Ø 9.5 mm
Length: 190±20 mm
B. Sensor Connector
Cable OD: Ø 4 mm
Outer Diameter: Ø 9.5 mm
Length: 640±10 mm
C. Motor Connector
Cable OD: Ø 6.3 mm
Outer Diameter: Ø 14 mm
Length: 220±10 mm
D. HMI Connector
Cable OD: Ø 5 mm
Outer Diameter: Ø 10.5 mm
Length: 135±10 mm
Unit: mm

HYENA E-BIKE SYSTEMS
3
Pin Definition
To Battery
HMI
Pin
Name
Direction
Description
Remark
1
Wakeup
Input
Active low, used to wakeup battery from sleep mode.
2
Ground
Output
Ground output
3
CANH
Bidirectional
CAN High
4
Power
Output
36V power output
5
CANL
Bidirectional
CAN Low
Pin
Name
Direction
Description
Remark
1
DRV_PWR
Input
HMI: Active low, used to wake up from sleep mode
DEN: Active low, used to wake up from sleep mode
2
Brake
Input
Brake signal, active low.
3
Front Light-
Output
6.8V headlight ground
4
GND
Input
12V HMI/Display ground
5
CANL
Bidirectional
CAN Low
6
VCC+
Output
12V HMI/Display power
7
CANH
Bidirectional
CAN High
8
Front Light+
Output
6.8V headlight power, also supply power to horn.
9
Throttle
Input
Throttle signal
1
2
3
4
4
5
3
2
1
8
7
6
5
9

HYENA E-BIKE SYSTEMS
4
Motor
Sensor
Pin
Name
Direction
Description
Remark
1
W
Output
Phase W
2
Speed
Input
Speed signal, TTL input
3
U
Output
Phase U
4
+5V
Output
5V motor power
5
GND
Output
5V motor ground
6
Hall W
Input
Hall signal of phase W
7
V
Output
Phase V
8
Hall U
Input
Hall signal of phase U
9
Hall V
Input
Hall signal of phase V
Pin
Name
Direction
Description
Remark
1
Torque
Input
Torque signal. Analog signal.
2
GND
Output
5V sensor ground
3
V+
Output
5V sensor power
4
Cadence Cnk1
Input
Cadence signal
5
Null
N/A
Reserved
6
Null
N/A
Reserved
1
2
4
5
6
3
1
2
3
6
4
7
8
9
5

HYENA E-BIKE SYSTEMS
5
Rear Light
Pin
Name
Direction
Description
Remark
1
RL+
Output
Rear light power
2
RL-
Bidirectional
Rear light ground
1
2

HYENA E-BIKE SYSTEMS
6
Technical Data
Characteristic
Rated power
250W
Rated voltage
36V
Operating voltage
28 to 42Vdc
Maximum current
15A 3min
Corresponding battery output at most 15A.
Quiescent current
< 1mA
Measure condition
a. System off
b. Battery, HMI, Display, Controller, Motor
and Sensor are connected well.
c. Remove all smart parts.
Operating temperature
-20℃to +60℃80%RH
Storage temperature
-20℃to +70℃80%RH (<1 month)
Hi-Pot
No permanent damage under 500V 60
seconds
Brake sensor
N/A
Front light
6V up to 2.4W
Optional
Rear light
6V up to 0.6W
Optional
Certification
EN 15194:2017
Yes
CE
Yes
RoHS 2.0
Yes
Protection
Short circuit protection
Each pin connecting to ground pin
introduces no permanent damage.
Hall defect protection
No hall change when motor spin.
Over temperature protection
Temperature > 100℃ for 1.99 seconds
continuously
Recovery temperature is set below 65℃.
Lock rotor protection (Pedal)
Current > 0.85*Current Limit A and motor
speed < 25 km/hr for 2.9 seconds (not
continuously)
Lock rotor protection (Motion)
Current > 8 A and motor speed < 30 km/hr
for 2.9 seconds (not continuously)
Communication loss protection
No HMI communication for 2 seconds
Head light short circuit protection
Short circuit of head light in introduces no
permanent damage.
Optional
Tail light short circuit protection
Short circuit of tail light in introduces no
permanent damage.
Optional
Under voltage protection
Controller stops assist when voltage <
28.0V for 10 seconds
Over voltage protection
Controller stops assist when voltage >
45.0V for 10 seconds

HYENA E-BIKE SYSTEMS
7
Software Standard Function
Motor control
Sinusoidal Motor Control
Motor phase
120゜
Battery protocol
Hyena proprietary protocol
Parameter table
Parameter 2.0
Error code table
Hyena proprietary error code table
Walk assistance
Up to 4 km/hr
Support level
Standard 3 modes, Maximum 4 modes
Current limit
Level 1: 10±1 A
Level 2: 12±1 A
Level 3: 15±1 A
OFF: N/A
Speed limit
25 km/hr
Auto sleep
Automatically sleep when system not use
for 6 minutes.
With Hyena HMI only
Assist priority
When pedal assist and walk assist occur
simultaneously, output assist according to
pedal input.
Low battery capacity
RSOC < 4% for 5 seconds
Throttle
Throttle
Optional

HYENA E-BIKE SYSTEMS
8
Mounting
Tool List
Phillips screwdriver
Accessory List
Flat head Phillips screw
M4xP0.7xL10mm
8 pcs
Mounting Instructions
• CAUTION! This installation instruction is only for the trained service center technicians to maintain the product, users or
dealers shall not self-disassemble the controller from the battery holder.
• Use the proper bicycle tools during the installation or removal process.
• Carefully install this product is necessary, do not strike it with any tool such as a hammer or wrenches.
Exploded View of Assembly

HYENA E-BIKE SYSTEMS
9
SAVE THESE INSTRUCTIONS
Safety Instructions
Instructions Pertaining To A Risk Of Fire,
Electric Shock, Or Injury To Persons
WARNING! When using the DC-A250+ e-bike controller,
basic precautions should always be followed, including the
following:
• Read all the instructions before using the product.
• Close supervision is necessary to reduce the risk of
injury when using the product near children.
• Do NOT use this product if the flexible power cord or
output cable is frayed, has broken insulation, or any
other signs of damage.
• All the component leads shall use original Hyena
components.
• This product is not intended to be used at ambient
temperatures above 60°C (140°F) or less ambient
temperatures of -10°C (14°F).
• Do NOT immerse the product or any e-system
component in water.
• Do NOT place the product or any e-system component
near fire or heat.
• Always turn off the e-bike system and remove the battery
before installing, disassembling, or modifying any
components on the e-bike.
Important Notice
• This product manual is intended primarily for the trained
technician to install, disassemble or maintain the e-bike.
• Users not professionally trained for bicycle assembly
should not attempt to install, disassemble or modify the
components.
• All Hyena e-system manuals and technical documents
are accessible online at “www.hyena-ebike.com”.
• The term “battery” is used in these instructions to mean
all original Hyena e-bike batteries.
• Read and observe the safety warnings and directions
contained in all the Hyena e-bike system operating
instructions and in the operating instructions of your
e-bike.
Moving and Storage Instructions
• When possible keep the product and all e-system
components in their original package and keep tools or
other metal objects away from them while storage and
moving.
• If you did not keep the original packaging, they can be
packed in solid cartons with proper packing materials
such as bubble wrap or soft cloth, and label the cartons
“Fragile”.
• Do NOT store the product at ambient temperatures
above 70°C (158°F) or less at ambient temperatures of
-20°C (-4°F).
• Cover the product to prevent sunlight damage if you
keep it stored at any place for more than a week.
• Store the product on a fireproof surface without contact
with water, heat, or sand.
• Do NOT place any heavy item on the product or any
e-system component.
• Do NOT place the product or any e-system component
in the car trunk for more than one day.
• Do NOT load or move the product in the rain whenever
possible, and make sure it has no moisture or mildew
before loading it.
• Do NOT drop the product from more than 30 cm (11.81
inches) in height.
Maintenance
• Do NOT clean the product or any e-system component
with detergent or organic solvent. Only clean the product
with a water-dampened soft cloth.
• Do NOT clean the product or any e-system component
with pressured water.
Product Label
• On the product label at the bottom of the controller, you
can find descriptions of the product, including Model
Name, Part No., Series No., and basic specifications.
Disposal
• In accordance with Directive 2012/19/EU, electronic
devices that are no longer usable and defective/drained
batteries must be collected separately and recycled in an
environmentally friendly manner.
• The e-system drive unit, including the motor, controller,
battery, speed sensor, HMI, accessories, and packaging,
should be disposed of in an environmentally correct
manner.
• Do NOT dispose of e-bikes and their components with
household waste.
This symbol is only valid within the European
Union. Follow local regulations when disposing
of used batteries. If you are not sure, consult
the place of purchase or a bicycle dealer.

HYENA E-BIKE SYSTEMS
10
Hyena Inc.
Tel: [phone]
Fax: [phone]
www.hyena-ebike.com
Address: No.25, Jingke N. Rd., Nantun Dist., Taichung City 408, Taiwan (R.O.C.)