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NI 9759 User Manual

Figure 2.  

Terminal Connections to a Single Electronic Throttle Body

Figure 3.  

Terminal Connections to Dual Electronic Throttle Bodies

H1B - Motor +

5 V O

u

t - Po

s

ition Ref. High

AN1 - Po

s

ition 

S

ign

a

l 1

AN2 - Po

s

ition 

S

ign

a

l 2

GND - Po

s

ition Gro

u

nd

GND

BATT

12 V B

a

ttery

NEG

PO

S

H1A - Motor –

0
1
2
3
4
5
6
7
8
9

H1B - Motor +

5 V O

u

t - Po

s

ition Ref. High

AN1 - Po

s

ition 

S

ign

a

l 1

AN2 - Po

s

ition 

S

ign

a

l 2

GND - Po

s

ition Gro

u

nd

GND

BATT

12 V B

a

ttery

NEG

PO

S

H1A - Motor –
H2B - Motor +
H2A - Motor –

0
1
2
3
4
5
6
7
8
9

Summary of Contents for NI 9759

Page 1: ...cations and Characteristics 11 Introduction The National Instruments 9759 Electronic Throttle Driver Module includes a CompactRIO cRIO module for driving passenger car electronic throttle bodies up to...

Page 2: ...isted below Features 2 Ch H Bridge Drivers for dual electronic throttle control 2 Ch analog input for throttle position feedback Short circuit and over temperature protection with fault reporting Batt...

Page 3: ...module requires a maximum 100 mA from the external supply Driving a single throttle under full load requires a maximum of 60 W peak and 30 W continuous Driving two throttles at full load requires a ma...

Page 4: ...to detection or ID mode H Bridge Drivers The NI 9759 includes a CompactRIO cRIO module for driving passenger car electronic throttle bodies up to 70 mm in diameter A typical example of electronic thro...

Page 5: ...signal is sampled at 2 23 kHz The A D result can be used directly at the FPGA level in ADC counts or at the RT level in converted engineering units The external analog inputs are protected from 6 V t...

Page 6: ...tle Bodies H1B Motor 5 V Out Position Ref High AN1 Position Signal 1 AN2 Position Signal 2 GND Position Ground GND BATT 12 V Battery NEG POS H1A Motor 0 1 2 3 4 5 6 7 8 9 H1B Motor 5 V Out Position Re...

Page 7: ...oltage is applied by means of a PWM duty cycle with battery voltage being the maximum possible voltage The control voltage may be compensated for actual battery voltage if it deviates from the nominal...

Page 8: ...Comp V Battery Comp Factor The first calibration which the user should tune is throttle angle versus sensor voltage A linear equation can be used as well as a two point 1D lookup table 1 Manually clos...

Page 9: ...ions Safety This product meets the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 UL 61010 1 CSA 61010 1 E...

Page 10: ...attery If you need to replace it use the Return Material Authorization RMA process or contact an authorized National Instruments service representative For more information about compliance with the E...

Page 11: ...I MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS U S Government Customers The data contained in this manual was de...

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