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NI 9757 User Manual
Physical Specifications and Characteristics
Weight ...............................................................170 g
Maximum Altitude............................................2000 m
Maximum Ambient Temperature......................60 °C
Operating Humidity ..........................................10% to 90% RH, noncondensing
Pollution Degree ...............................................2
Ingress Protection .............................................IP40
For indoor use only.
If you need to clean the module, wipe it with a dry towel.
Electrical Specifications and Characteristics
External Power
Input Range...............................................6 to 32 V
Input Range for Functional
UEGO Sensors..........................................8 to 16.5 V
Reverse Polarity Protection ......................–18 V
Input Capacitance .....................................300 µF
Inrush Current ...........................................3 A for 1 msec at 13.8 V
Consumption
No UEGO Sensors Enabled..............1.3 W at 13.8 V
1 UEGO Sensor Enabled ..................15 W at 13.8 V
2 UEGO Sensors Enabled.................30 W at 13.8 V
Maximum Module Power Dissipation,
2 UEGO Sensors Enabled.................................1.4 W at 13.8 V
Internal Analog-to-Digital Conversion Range..0 to 4.096 V
Internal Analog-to-Digital Conversion
Resolution .........................................................12-bit
Internal Analog-to-Digital Conversion Rate.....1000 samples/s
UEGO Sensor
Analog Measurement Hardware Filter .....1st order RC lowpass, 16 Hz cutoff
Pump Current (Ip) Measurement Range...–2.0 to 2.4 mA
Pump Current (Ip) Measurement
Resolution .................................................1 µA
Pump Current (Ip) Measurement
Accuracy ...................................................± 0.1 %
Lambda Measurement Range ...................0.65 to 15.99
