Getting started guide ni 9411 6 di, ±5 v to 24 v, differential/single-ended, 500 ns.
This document explains how to connect to the ni 9411. Note before you begin, complete the software and hardware installation procedures in your chassis documentation. Note the guidelines in this document are specific to the ni 9411. The other components in the system might not meet the same safety r...
Safety voltages connect only voltages that are within the following limits. Channel-to-com or vsup-to-com 30 v maximum, measurement category i isolation channel-to-channel none channel-to-earth ground continuous 30 vrms, 42.4 vpk, 60 vdc withstand 400 vrms, verified by a 5 s dielectric withstand tes...
Caution do not connect the ni 9411 to signals or use for measurements within measurement categories ii, iii, or iv. Note measurement categories cat i and cat o are equivalent. These test and measurement circuits are not intended for direct connection to the mains building installations of measuremen...
Caution do not remove modules unless power has been switched off or the area is known to be nonhazardous. Caution substitution of components may impair suitability for class i, division 2. Caution for division 2 and zone 2 applications, install the system in an enclosure rated to at least ip54 as de...
In gas group iic hazardous locations, you must use the device in an ni chassis that has been evaluated as ex nc iic t4, ex iic t4, ex na iic t4, or ex nl iic t4 equipment. Caution you must make sure that transient disturbances do not exceed 140% of the rated voltage. Caution the system shall only be...
When the product is operated in the intended operational electromagnetic environment. This product is intended for use in industrial locations. However, harmful interference may occur in some installations, when the product is connected to a peripheral device or test object, or if the product is use...
Caution in order to meet the emc requirements for marine applications, install the product in a shielded enclosure with shielded and/or filtered power and input/output ports. In addition, take precautions when designing, selecting, and installing measurement probes and cables to ensure that the desi...
Note you must use 2-wire ferrules to create a secure connection when connecting more than one wire to a single terminal on the ni 9411 screw-terminal connector. Ni 9411 signals table 1. Dsub connector signal descriptions signal description com common reference connection to isolated ground dia and d...
Connecting an external power supply to the ni 9411 you can connect an external power supply to the ni 9411. The external power supply provides power for external devices through the ni 9411 +5 vout terminal. Connecting an external power supply to the ni 9411 is optional, depending on your applicatio...
Connecting a differential device to the ni 9411 you can connect differential devices to the ni 9411. Figure 3. Connecting a differential device to the ni 9411 – + external power supply com v sup com ni 9411 + – dia +5 v out dib differential device +5 v reg receiver circuitry +5 v gnd the ni 9411 com...
Connecting a single-ended device to the ni 9411 you can connect single-ended (ttl) devices to the ni 9411. Figure 4. Connecting a single-ended device to the ni 9411 – + external power supply com v sup com ni 9411 receiver circuitry out single-ended device dia dib +5 v reg +5 v out gnd +5 v the ni 94...
Tip refer to the device datasheet at ni.Com/manuals for the digital logic levels. Connecting an encoder to the ni 9411 an encoder has phase a, phase b, and index signals. Use the phase a signals to measure rotational speed. Use the phase b signals to measure direction. Use the index signals to measu...
Figure 6. Connecting a single-ended encoder to the ni 9411 – + external power supply a b index +5 v gnd single-ended encoder v sup com ni 9411 +5 v reg di0a di0b +5 v out com di1a di1b di2a di2b receiver circuitry receiver circuitry receiver circuitry i/o protection the ni 9411 provides i/o protecti...
Note refer to the device datasheet on ni.Com/manuals for more information about i/o protection. High-vibration application connections if your application is subject to high vibration, ni recommends that you follow these guidelines to protect connections to the ni 9411: • use ferrules to terminate w...
Where to go next located atni.Com/manuals installs with the software compactrio ni compactdaq related information ni 9411 datasheet ni-rio help labview fpga help ni 9411 datasheet ni-daqmx help labview help c series documentation & resources ni.Com/info cseriesdoc services ni.Com/services ni 9411 ge...
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