779082-01

National Instruments

779082-01

National Instruments

Description

The NI PCI-6516 (Part Number: 779082-01) is an industrial 32 Source DO, Bank Isolated DO & NI-DAQ Digital I/O Device with a watchdog clock feature. This device ensures that outputs are set to safe states in case of product failure or loss of communication, with configurable timeout periods and a counter up to (232-1) × 100 ns.

The NI PCI-6516 (Part Number: 779082-01) is an industrial 32 Source DO, Bank Isolated DO & NI-DAQ Digital I/O Device. This device comes equipped with a watchdog clock which ensures that basic outputs are set to safe states in case of a product failure or loss of communication between the application and the device. If the watchdog reset programming command is not received within the specified time, the outputs will go to a user-defined safe state. The watchdog signal will continue to assert until disabled. Users can configure the watchdog clock timeout period and the counter is configurable up to (232-1) × 100 ns. The output lines are comprised of photocouplers and Darlington exhibits, with a DC voltage of at least 11 V registering as logic high and anything below registering as logic low. The part number for this device is 779082-01.

Made By National Instruments
Part Number 779082-01
Watchdog Clock Timeout Period Configurable up to (2^32 - 1) x 100 ns (approximately seven minutes)
Output Line Components Photocouplers and Darlington arrays
Input Voltage for Logic High At least 11 V
Valid Input Voltage for Logic Low 4 V or less

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Question:

What is the part number of the National Instruments industrial digital I/O device being described?

Answer:

The part number of the National Instruments industrial digital I/O device being described is 779082-01.

Question:

What is the function of the watchdog clock in the NI PCI-6516?

Answer:

The function of the watchdog clock in the NI PCI-6516 is to ensure that basic outputs are set to safe states in the event of a product failure or loss of communication between the application and the device.

Question:

What happens if the watchdog reset programming command is not received within the specified time for the NI PCI-6516?

Answer:

If the watchdog reset programming command is not received within the specified time, the outputs of the NI PCI-6516 will go to a user-defined safe state.

Question:

How can the watchdog clock timeout period be configured in the NI PCI-6516?

Answer:

The watchdog clock timeout period in the NI PCI-6516 can be configured by the user and the counter is configurable up to (2^32-1) imes 100 ns.

Question:

What characterizes a logic high and a logic low in the output lines of the NI PCI-6516?

Answer:

In the output lines of the NI PCI-6516, a DC voltage of at least 11 V registers as logic high and anything below registers as logic low.