Wuxi Proud Eagle Electric Auto Technology co., ltd.

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Add:Section B,Yangjian Industrial park,Xishan District,Wuxi city,Jiangsu Province,China 　　
Zip code:214108
Tel:+86 510-88736823
+86 510-88736806
Fax:+86 510 8873 0383
Contact:Janny Hou
　　 Grace Dai
Email:sales@proud-eagle.com
gracedai@proud-eagle.com
Web:www.proud-eagle.com

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252 controller

Electric Vehicle’s Controller Product Specification
1. Product Descriptions
The product is the latest PMSM controllers made by our company, and the output power up to 2500W. The product uses the FOC(Field Oriented Control）algorithm in which SVPWM is used to drive the power device. Meanwhile, by using a 32-bit microprocessor which incorporates the latest ARM core，it exhibits excellent operational capability and task processing ability. The system handles several close loops which include torque, flux and speed loop and at the same time other high demand of real-time task operation is possible. By advanced control solution the system can achieve the following performance: maximum torque control, constant power control, speed closed loop control and energy feedback control while braking. Compared with traditional DC motor (BLDC) controller, the PMSM controller has the following obvious advantages：
Direct torque control，smooth start-up，excellent acceleration performance Vector control sinusoidal current injection and smooth motor output torque, which fully suppress the low frequency noise caused by the fluctuations of motor torque.
Provide PC software(GUI)，by which hundreds of parameters can be configured, improve the flexibility of on-site application；
UART（standard ）or CAN (optional）
Over-current protection, over or under voltage protection and over-temperature protection.
1.1 Key features
1.Energy regenerative braking
2.Brake, cruise, and three-mode speed selection interface
3.LED for operation and fault status indication
4.Ultra-thin shape design, which is convenient for vehicle installation
1.2 Applications
·Electric scooter
·Small electric vehicle
·Electric golf cart
1.3 Specifications

Maximum Ratings & Main parameters
Rated voltage	48V~72V
Max battery current	110A
Rated output power	2500W
Operating temperature range	-20℃~100℃
Storage temperature range	-55℃~85℃
Motor control mode	FOC(Field oriented control)
Standby power consumption	20~40mA
Max motor speed limitation	Depended on motor and configuration
Driving method	Direct torque control

1.4 System Protection Characteristics

System protection characteristics		LED blinking times
Over-voltage protection	Battery voltage is higher than default value	1
Under-voltage protection	Battery voltage is lower than default value	2
Motor Over-current protection	Motor phase is short-circuit or phase to ground is short-circuit	3
Stalling protection	Motor stalling time is over default value	4
Hall sensor protection	Hall input is abnormal	5
MOSFET protection	MOSFET self-checking is abnormal	6
Phase winding disconnect protection	One of the motor phase is disconnection	7
Self-checking error protection	System internal power-on self-checking is abnormal	10
Controller over-heat protection	When controller operation temperature is higher than default value	11
Throttle protection	Throttle input is abnormal	12
Motor over-heat-protection	Motor temperature is higher than value of configuration	13
Governor handle idle protection	Prohibit governor handle operating when system power on	14
Barking indication	Indicating braking mode	15

Communication characteristics
UART communication	UART interface: parameter configuration and working state monitoring
CAN communication(optional)	CAN interface: parameter configuration and working state monitoring
LED indicator light	Indicate current working state or fault state

1.5 Communication Characteristics
2. Direction for use
2.1 Dimensions (unit: mm)

2.2 Standard PMSM Controller Wiring Diagram

2.3 Connecter Descriptions

Terminal No.	Terminal descriptions	remarks
1	NC/CANL	CAN Bus L
2	NC/CANH	CAN Bus H
14	Power supply for Hall Sensor inside Motor	Connected to Motor Hall Sensor
13	Hall Sensor U
12	Hall Sensor V
11	Hall Sensor W
21	Ground
9	Power supply for control circuit of controller	Power ON/Off
10	Power supply for control circuit of controller	Power ON/Off
16	Reserved/Braking input low level active
15	Braking input high level active(+12V input)	Braking
26	Governor handle ground	Speed control
27	Governor handle signal
28	Governor handle power supply
7	Cruising control ( Low level active)	Cruising
5	Ground
17	Reverse control ( Low level active)	Reverse control
5	Ground
20	High gear input (or button input)	3-Gear control
4	Ground
24	Low gear input
23	HALL speed meter output	Speedometer

3. Product pictures

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