cFP-DI-330

Description

The National Instruments cFP-DI-330 Digital Input Module for Compact FieldPoint, with part number 777318-330, is a versatile Digital Module designed for use in Compact FieldPoint applications. Manufactured by the renowned National Instruments, this module boasts 8 DI channels with universal inputs, accommodating a broad voltage range from 5 to 250 volts for both AC and DC signals. It is suitable for various applications including sinking and sourcing as well as power sensing.

The module features robust module-to-module isolation for enhanced safety and reliability, while also being compatible with AC signals up to 240 VAC. Its design allows for straightforward installation, as it is mounted on the backplane of a Compact FieldPoint device, which also supplies operating power. Each of the eight inputs is current-limited and equipped with bi-directional optical isolators, providing two interchangeable signal inputs, labeled as INa and INb.

For ease of monitoring, the NI cFP-DI-330 includes Green POWER and READY indicators, and it has a modest power consumption, requiring only 200 mW from a network module.

Question 1: What is the function of bi-directional optical isolators in the National Instruments cFP-DI-330 Digital Input Module?
Answer 1: The bi-directional optical isolators in the National Instruments cFP-DI-330 Digital Input Module serve to provide electrical isolation between the input signals and the module’s circuitry, ensuring both safety and signal integrity by preventing electrical noise and transients from affecting the system.

Question 2: What is the voltage range and input configuration of the National Instruments cFP-DI-330 Digital Input Module, and how does its design support safety and ease of installation for Compact FieldPoint applications?
Answer 2: The National Instruments cFP-DI-330 Digital Input Module for Compact FieldPoint can accommodate universal inputs ranging from 5 to 250 volts for both AC and DC signals.

Question 3: What is the function of the bi-directional optical isolators on each of the eight inputs of the National Instruments cFP-DI-330 Digital Input Module for Compact FieldPoint?
Answer 3: The operating voltage range for both AC and DC signals in the National Instruments cFP-DI-330 Digital Input Module is 5 to 250 volts, and its key features for safety and installation include module-to-module isolation, current-limited inputs with bi-directional optical isolators, and easy mounting on the backplane of a Compact FieldPoint device.

Question 4: What is the operating voltage range for both AC and DC signals in the National Instruments cFP-DI-330 Digital Input Module, and what are some of its key features for safety and installation?
Answer 4: The National Instruments cFP-DI-330 Digital Input Module has a voltage range accommodating 5 to 250 volts for both AC and DC signals, featuring 8 DI channels with universal inputs, and its design promotes safety through module-to-module isolation and ease of installation with a backplane-mounted setup for Compact FieldPoint devices, as well as bi-directional optical isolators for each input.

Question 5: What are the input voltage ranges and types of signals that the National Instruments cFP-DI-330 Digital Input Module for Compact FieldPoint can accommodate?
Answer 5: The bi-directional optical isolators on each of the eight inputs of the National Instruments cFP-DI-330 Digital Input Module for Compact FieldPoint serve to protect the device’s circuits by electrically isolating the input signals from the internal electronics, thus enhancing the system’s safety and preventing potential damage from high voltages or electrical noise.