www.curtisinstruments.com APPLICATION DESCRIPTION FEATuRES MoDEL 1236/1238 AC INDUCTION MOTOR CONTROLLERS

D E S C R I P T I O N

Advanced motor drive software provides smooth control over full speed and torque in all modes, including full regenerative braking, zero speed, and torque control.

A P P L I C A T I O N

The Curtis 1236 and 1238 Motor Speed Controllers are designed for use in all types of electric vehicles including material handling, industrial, Golf, and light-on-road.

F E A T u R E S

Advanced Design and Functionality

• Major performance, operational and system advancements over DC.

• High frequency, silent operation from 0-300 Hz.

• 24V – 80V battery systems, 350-650 A RMS 2 minute current ratings.

• Powerful operating system allows parallel processing of vehicle control tasks, motor control tasks, and user configurable programmable logic.

• Advanced Pulse Width Modulation technology provides efficient use of battery voltage, low motor harmonics, low torque ripple, and minimized switching losses.

• Tunable to any AC motor. Fully programmable for optimal match to individual AC motor characteristics.

• Built-in battery state-of-charge algorithms and hour meter.

• Field-Programmable, with FLASH downloadable main operating code.

Superb Drive Control

• Field-oriented vector control, in conjunction with Curtis tuned algorithms, provide peak torque and optimal efficiency across the entire operating range.

• Extremely wide torque/speed range, including full regeneration capability.

• Internal closed-loop speed and torque control modes allow for optimized performance – without an additional control box.

• Peak performance mapping technology lets you tune the maximum performance envelope in both “driving and braking” to your specific application through the use of OEM programmable parameters.

• The Torque Control Mode offers unique features and

provides seamless transitions and positive response under all conditions.

• Exclusive built-in pump control mode with superior response to hydraulic load changes.

1236

1238

CURTIS INSTRUMENTS, (UK) LTD.

5 UppER pRIoRy STREET NoRThAMpToN NN1 2pT, ENgLAND

TEL 44 (0) 1604-629755 FAX 44 (0) 1604-629876 CURTIS INSTRUMENTS, INC.

235 EAST AIRWAy BLVD LIVERMoRE, CA 94551 USA

TEL (925) 961-1088 FAX (925) 961-1099 200 KISCo AVENUE

MT. KISCo, Ny 10549 USA TEL (914) 666-2971 FAX (914) 666-2188

www.curtisinstruments.com

CURTIS INSTRUMENTS INDIA pRIVATE LTD.

1199, ghoLE RoAD pUNE 411004, INDIA TEL 91 (0) 20-5531288 FAX 91 (0) 20-5539192

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A C I N D U C T I O N M O T O R C O N T R O L L E R S

Unmatched Flexibility

• The unique Curtis Vehicle Control Language makes system design easier than ever for OEMs. Benefit from the many decades of Curtis experience in the EV industry by using the provided library of pre-defined functions, or quickly and simply write your own proprietary functions and algorithms to differentiate your systems from your competition.

• VCL empowers the controller to monitor and manage the entire vehicle system without additional hardware, to save cost and design time.

• Apply a wide range of I/O wherever you need them, for maximum distributed system control.

• CAN bus connection allows communication with other CAN bus enabled system components. Protocol meets CANopen standards, or is customizable through VCL.

• The same controller model can be used for either pump or traction applications due to the built-in software selectable pump control mode.

• Easily programmable through the Curtis 1311 handheld programmer and 1314 PC Programming Station.

patents pending

Robust Safety and Reliability

• Insulated Metal Substrate power base provides superior heat transfer for increased reliability.

• Fail-Safe power component design.

• Redundant hardware watchdog timers.

• Reverse polarity protection on battery connections.

• Short circuit protection on all output drivers.

• Thermal cutback, warning, and automatic shutdown provide protection to motor and controller.

• Rugged sealed housing and connectors meet IP65 environmental sealing standards for use in harsh environments.

Meets or complies with relevant US and International Regulations

The Curtis Model 1236 and 1238 AC Motor Speed Controllers are designed to meet:

EN 50081-1-2 EN 61000-6-2 EN 12895 EN 1175

IP65 Rated per IEC 529

UL Recognized Component Status, UL 583

2 Min RMS 2 Min RMS

Model Battery Voltage Current Rating Arms power Rating

V (A) (kVA)

1236-44XX 24-36 400 16.6

1236-45XX 24-36 500 20.9

1238-46XX 24-36 650 25.4

1236-53XX 36-48 350 19.7

1238-54XX 36-48 450 25.5

1238-56XX 36-48 650 36.3

1236-63XX 48-80 300 28.1

1238-65XX 48-80 550 51.3

F E A T u R E S co n t i n u e d

The Curtis Model 840 LCD Multifunction display contains 8 large, easy to read characters to provide display of battery discharge (BDI), hour meter and error messages. Built-in back- light is also available.

The Curtis Model 1311 Handheld Programmer is ideal for setting parameters and performing diagnostic functions.

Contact Curtis to obtain the VCL Vehicle Control Language compiler and development tools.

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M O D E L C H A R T

S Y S T E M A C C E S S O R I E S

B-

B+

FUSE

U V W

M8 ø 1.25, 6 plcs

19 80 85

212

232 10 (0.4)

Status LEDs

7 dia., 4 plcs 165

145

B-

B+

FUSE

U W

M8 ø 1.25, 6 plcs

19 80 102

212 232 10 (0.4)

Status LEDs

7 dia., 4 plcs 275

255

V

C O N N E C T O R W I R I N G

ENC PHASE

B

2 1 4 3

5 6 7 8 10 9

11 12

24 25 26 27 28 29 30 31 32 33 34 35

13 14 15 16 17 18 19 20 21 23 22

KSI PROP DRIVER DRIVER 4 DRIVER

3

DRIVER 2 DRIVER 1 I/O GND SW2/ANA2 SW3

SW4 SW5 SW6

PGM

THR WIPER POT

LOW DIG

OUT2 SW7

SW1/ANA1 COIL

RETURN

+12V +5V THR POT

HI BRK POT HI TX BRK WIPER

RX ANA OUT OUT 1DIG ENC PHASE

A CAN

TERM H

SW8 CAN H

CAN L

CAN TERM L

1236 1238

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D I M E N S I O N S m m

KSI SWITCH 1/ANA 1

ANALOG OUT (0-10) SWITCH 3

SWITCH 4 SWITCH 5 SWITCH 6 SWITCH 7 SWITCH 8

COILRETURN

DRIVER 1 DRIVER 2 DRIVER 3

DRIVER 4 KEYSWITCH

ENCODER

BATTERY I/O GROUND

CAN H

SERIAL PORT SWITCH 2/ANA 2

THROTTLE POT HIGH THROTTLE WIPER

POT 2 WIPER

POT LOW J1-24

J1-30 J1-9 J1-10 J1-11 J1-12 J1-22 J1-33

J1-8

J1-7

J1-15

J1-16

J1-17

J1-18

20A J1-13

J1-6 J1-5 J1-4 J1-3 J1-1

J1-23 J1-35

CAN L

}

TX RX

J1-28 J1-29

3 1 2

4

}

J1-25 +12V

MAIN E/M BRAKE

INTERLOCK

FORWARD REVERSE

THROTTLE POT POT 2

PV DRIVER J1-2

J1-14

J1-21 CAN TERM H

J1-34 CAN TERM L

Short for 120 Ohm Termination POT 2

J1-27 HIGH

PROP. VALVE

8 6

5 DISPLAY SPEED ENCODER B+

U V W

B-

MAIN

J1-31 J1-32 J1-7 J1-26 +5 V

I/O Gnd PHASE A PHASE B

12 43

AC MOTOR SWITCH 16

J1-19 J1-20 DIGITAL OUTPUT 7 DIGITAL OUTPUT 6 EMR CHECK

(OPTIONAL) EM REV.

MODE

MOTOR TEMP. INPUT

T

840

T Y P I C A L W I R I N G

M o D E L 1 2 3 6 / 1 2 3 8

Specifications subject to change without notice ©2008 Curtis Instruments, Inc. 50095 REV G 9/08 is a trademark of Curtis Instruments, Inc.

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