188915C-01

Description

The product with part numbers 779002-01, 779136-01, 779136-02, and 783734-01 belongs to the category of C Series Digital I/O and is designated as model NI-9421. This model is equipped with 8 digital input channels that utilize sinking inputs. It operates on logic levels of 12V and 24V, catering to a wide range of applications.

Regarding isolation, the channel-earth ground isolation differs based on the part number, with 250 Vrms for part numbers 779002-01 and 783734-01, and 60 VDC for part numbers 779136-01 and 779136-02. Notably, the part number 779136-02 is also conformal coated, offering additional protection against environmental factors.

The power consumption of the NI-9421 is optimized for efficiency, consuming up to 240 mW when active and reducing to up to 7 mW in sleep mode. This model accommodates various types of front connectors, including screw terminals for part number 779002-01, D-Sub connectors for part numbers 779136-01 and 779136-02, and spring terminals for part number 783734-01.

With a weight of 5.1 oz, the NI-9421 is designed to operate within a temperature range of -40 °C to 70 °C and can be stored in temperatures ranging from -40 °C to 85 °C. It is built to withstand humidity levels of 10% RH to 90% RH during operation and 5% RH to 95% RH during storage.

Additionally, the model is engineered to endure operating vibrations, including 5 grms (Random), 5 g (Sinusoidal), within the frequency range of 10 to 500 Hz Specification Detail Part Numbers 779002-01, 779136-01, 779136-02, 783734-01 Category C Series Digital I/O Model NI-9421 Digital Input Channels 8 Input Type Sinking Inputs Logic Levels 12V, 24V Channel-Earth Ground Isolation 250 Vrms (779002-01, 783734-01), 60 VDC (779136-01, 779136-02) Conformal Coated Yes (779136-02 only) Power Consumption Active: up to 240 mW, Sleep Mode: up to 7 mW Front Connectors Screw Terminals (779002-01), D-Sub (779136-01, 779136-02), Spring Terminal (783734-01) Weight 5.1 oz Operating Temperature Range -40 °C to 70 °C Storage Temperature Range -40 °C to 85 °C Humidity Range (Operating and Storage) 10% RH to 90% RH (Operating), 5% RH to 95% RH (Storage) Vibration (Operating) 5 grms (Random), 5 g (Sinusoidal), 10 to 500 Hz

Question 1: What logic levels does the NI-9421 support?
Answer 1: The NI-9421 supports 12V and 24V logic levels.

Question 2: How many digital input channels does the NI-9421 have?
Answer 2: The NI-9421 has 8 digital input channels.

Question 3: What is the isolation voltage for part number 779002-01?
Answer 3: 250 Vrms isolation for part number 779002-01.

Question 4: Does the NI-9421 have conformal coating?
Answer 4: Yes, part number 779136-02 is conformal coated.

Question 5: What are the operating temperature limits of the NI-9421?
Answer 5: -40 °C to 70 °C.