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NEON SERIES
BAC 500-48-35
PRODUCT DESCRIPTION
FEATURES
The ASi BAC Ne 500 is a high power density electric bike controller
that utilizes the latest in sinusoidal field oriented control to ensure
smooth and quiet brushless DC motor operation and efficient vehicle
operation. Eliminating the traditional metal case, the profile is
minimized by encapsulating the controller in a durable polymer. The
BAC Ne 500 is available in 2 models:
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BAC Ne 500-48-35
BAC Ne 500-48-50
The BAC Ne 500 can operate over a nominal voltage range of
24VDC to 48 VDC. A robust MOSFET-based three phase bridge
provides peak efficiencies in excess of 95%, no audible noise and can
switch motor currents up to 70A peak. In addition to Hall sensor
based motor commutation, sensorless commutation is also
supported.
0 to 10 Volt analogue state of charge protocol is supported.
Alternatively, a software based voltage model of the battery can be
used to derive battery state of charge. Communication to the drive is
via a proprietary ASi object dictionary using the ModBus RTU
protocol.
Standard product at the physical layer includes TTL 232 and RS 485
protocols, which can be substituted with optional LIN & CAN OPEN
configurations.
Programmable performance mapping allows throttle, torque, pedal
and wheel speed sensor inputs to be adjusted via the ASi BACDoor™
PC configuration software to meet specific performance
requirements.
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Numerous
programmable
protection
features
including
motor/controller temperature, battery over/under voltage, and
motor/battery current limits increase controller and motor longevity.
Peak motor currents up to 50A
Can be attached to additional heat
sinking to significantly increase
performance
Standard JST Signal connector on the
board
Dual Communications ports TTL232 or
RS485
PWM drive for low ripple current and
silent drive
Field oriented control for increased
efficiency and smooth motor operation
Multiple analogue and digital inputs
Support multiple sensor configurations
Configurable throttle, pedal torque, pedal
speed and assist level select input
functions
Single pulse and quadrature pedal or
wheel speed inputs
Analog and voltage model based battery
management system interfaces
Meets EN 15194 bike safety
requirements on compliant bikes
IP67 when used with a sealed connector
6V 0.5A Light as standard
Sensorless or hall commutation
Regenerative braking
Supports a range of torque sensors,
pedal sensors and displays
Fault protection including:
- Bus over and under voltage
- Motor over current
- Motor and controller over
temperature
- Battery SOC foldback
APPLICATIONS
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2015-05-22
Electric bikes
Small electric scooters
Small electric vehicles
Small recreational vehicles
NEON SERIES
BAC 500-48-35
Communications
Controller Performance
Description
Feature
Range
Speed regulation
Minimum motor phase to phase inductance
Motor control scheme
Motors supported1
+/- 5% at top speed
60 uH
Sinusoidal field oriented (FOC)
PMAC and Brushless DC
Description
Network
Hardware Protocols
Proprietary ASi object dictionary over a
variable baud rate ModBus network
TTL Level 232 and RS-485.
Optional CAN OPEN | Optional LIN
Input Specifications
Type
Hall inputs
Quantity
3
Digital inputs
Analogue inputs
Description
Non isolated, diode protected to 50V max
Used for motor commutation
Max frequency: 1000 Hz
Min pulse width: 40 µsec
Non isolated, diode protected to 50V max
Used for pedal first sensor and cruise control related features
1 kHz sampling rate
Max frequency: 500 Hz
Min pulse width: 40 µsec
Non isolated, resistance protected to 30V max,
Single ended
Min 10 bit resolution
Used for throttle, BMS, and brakes
2
4
Nominal Input Voltage
Input Power
VMin
VMax
Logic Low
0 VDC
0.5 VDC
Logic High
3.5 VDC
5 VDC
Logic Low
1.5 VDC
2.5 VDC
Logic High
4.3 VDC
5 VDC
0 VDC
5 VDC
BAC Ne 500-48-50
BAC Ne 500-48-35
Feature
Voltage
Input Power
Rating
24 to 48
software configurable
Units
Volts DC
Watts
Feature
Nominal Input Voltage
Input Power
Input Power
Rating
24 to 48
software configurable
Units
Volts DC
Watts
Output Phase Current
Output Phase Current
no air-flow, no additional heat sinking, 25°C ambient
no air-flow, no additional heat sinking, 25°C ambient
Feature
Absolute Peak
1 minute rating
Continuous
2015-05-22
Rating
50
35
15
Units
Amps DC
Amps RMS
Amps RMS
Feature
Absolute Peak
1 minute rating
Continuous
Rating
70
50
20
Units
Amps DC
Amps RMS
Amps RMS
8
D
C
B
DESCRIPTION
4
ZONE
KST Bullet (MPD2-156) (FRD2-156)
COLOUR
1
Hall GND
Red
2
Hall +5V
3
GENDER
2
3
POWER CONNECTIONS
SIGNAL CONNECTOR
JST S24B-PADDSS-1
PIN #
5
6
7
REV.
A-01
A-02
DESCRIPTION
Male
Battery +
Black
Female
Battery -
Hall A
Green
Female
Motor Phase A
4
Hall C
Yellow
Female
Motor Phase B
5
GND
Blue
Female
Motor Phase C
6
Hall B
7
ABMS
8
Brake 2
9
PFS
10
Brake 1
11
+5V
12
Cruise
13
+12V
14
Throttle sig
15
HDQ sig
16
GND
17
TTLRX1
18
TTLTX1
19
RS485-RX
20
RS485-TX
21
Key out
22
Key in
23
Light
24
GND
1
REVISIONS
DESCRIPTION
INITIAL RELEASE
CORRECTED PIN INFORMATION FOR RS485 PORT
DATE
15/04/2014
17/06/2014
D
2X M5X0.8 6.4
MOUNTING
25.4
19.7
7.5
HEATSINK AREA
81
75.0
88 196±10
C
60.0
B
MATING CONNECTOR
HOUSING JST PADP-24V-1-S
TERMINAL SPH-001T-P0.5L
50
2
ASI REFERENCE ONLY
PART NUMBER
MODEL REV.
24
A
UNLESS OTHERWISE SPECIFIED: PROPRIETARY AND CONFIDENTIAL
26
DIMENSIONS ARE IN MM
TOLERANCES:
X 2
.X .2
.XX .05
.XXX .01
23
PART NUMBER
10-000666
8
1
QTY
1
MATERIAL
FINISH
7
6
5
4
THE INFORMATION CONTAINED IN THIS DRAWING IS
THE SOLE PROPERTY OF ACCELERATED SYSTEMS
INC. ANY REPRODUCTION IN PART OR AS A WHOLE
WITHOUT THE WRITTEN PERMISSION OF
ACCELERATED SYSTEMS INC. IS PROHIBITED.
DRAWN
AFlemming
REVISED
AFlemming
CHECKED
CDerbecker
3
08/01/2014
17/06/2014
10-000634
A-05
DWG#:
06-000106
TITLE:
R11 BAC Ne CONTROLLER INTERFACE
SIZE
B
SCALE: 1:1
REV
A-02
SHEET 1 OF 1
WEIGHT:
2
1
A
NEON SERIES
BAC 500-48-35
ORDERING INFORMATION
Product
Description
BAC Ne 500-48-35
48 Volt 250/350 Watt Brushless DC motor controller with RS 485 and TTL 232
BAC Ne 500-48-50
48 Volt 500+ Watt Brushless DC motor controller with RS485 and TTL 232
Optional CAN or LIN
Enquire for quotation
Part Numbering Scheme:
10-AAAAAA – BBBBB – CCCC – DDDDD
ASi Product Model
Hardware Options
Firmware Version
Configuration File
Field Descriptions
AAAAAA – ASi Product Model
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
BAC Ne 500-48-35
BAC Ne 500-48-50
BBBBB – Hardware Options
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RS485
CAN
LIN
CCCC – Firmware Version – this is locked to customer vehicle production release
DDDD – Configuration File – this is locked to customer adjustable parameter choices for production
Example: 10-BAC Ne 500-48-35-RS485-5.8.1-1204
Product Accessories
Part
Number
Description
Mating Signal JST Pigtailed harness
For use to connect to other devices
40-000418
TTL 232 configuration dongle
USB to TTL 232 serial convertor
Contains BAC Ne 50-48-35 Controller, RS232 communication dongle,
BACDoor software, and connector/cable kit
Contains BAC Ne 50-48-50 Controller, RS232 communication dongle, BACDoor
software, and connector/cable kit
Configuration utility
40-000415
Evaluation kit BAC Ne-500-48-35
Evaluation kit BAC Ne-500-48-50
BACDoor configuration utility
This product has various patents and patents pending.
All specifications are subject to change without notice.
2015-05-22
10-000676
10-000690
Accelerated Systems Inc.
60 Northland Road | Unit 6
Waterloo Ontario N2V 2B8 Canada
Phone: 1-519-342-2507
Fax: 1-519-342-2508
www.accelerated-systems.com
[email protected]