Description
The PCI-6516 is a PC-based digital I/O component designed for industrial applications. It bears the part number 191649C-02L (779082-01) and falls under the category of PC-based Digital I/O. This model is specifically engineered to facilitate industrial operations with its 32 Source DO, Bank Isolated DO & NI-DAQ functionalities.
One of the key features of the PCI-6516 is its Watchdog Clock, which is configurable to ensure that outputs transition to a user-defined safe state in the event of a system failure. This feature is complemented by a Watchdog Timeout Period that is configurable up to (232 – 1) × 100 ns, approximately equating to 7 minutes, thus offering a substantial window for corrective action in case of unexpected issues.
For output operations, the PCI-6516 utilizes Photocouplers and Darlington arrays to manage the output lines efficiently. The power supply for these output lines ranges from 5 V to 30 V to VCC, with COM (GND) connected to the ground, ensuring stable and reliable operation across a variety of industrial environments.
The unit’s logic levels are clearly defined, with an Input Voltage for Logic High being a DC voltage of at least 11 V, and an Input Voltage for Logic Low specified as a DC voltage of 4 V or less. It’s important to note that any input voltage range between 4 V and 11 V is considered to be in the Invalid Input Voltage Range, and such inputs will register as unreliable values, thus ensuring precision and accuracy in signal processing.
| Specification | Detail |
|---|---|
| Part Number | 191649C-02L (779082-01) |
| Category | PC-based Digital I/O |
| Model | PCI-6516 |
| Description | NI PCI-6516 Industrial 32 Source DO, Bank Isolated DO & NI-DAQ |
| Watchdog Clock | Configurable, ensures outputs go to a user-defined safe state in case of failure |
| Watchdog Timeout Period | Configurable up to (232 – 1) × 100 ns (approx. 7 minutes) |
| Output Lines | Photocouplers and Darlington arrays |
| Power Supply for Output Lines | 5 V to 30 V to VCC, COM (GND) to ground |
| Input Voltage for Logic High | DC voltage of at least 11 V |
| Input Voltage for Logic Low | DC voltage of 4 V or less |
| Invalid Input Voltage Range | Between 4 V and 11 V, registers as unreliable value |
Question 1: What is the part number for the PCI-6516?
Answer 1: 191649C-02L (779082-01)
Question 2: What feature ensures safety in system failure for the PCI-6516?
Answer 2: Configurable Watchdog Clock
Question 3: What voltage range does the PCI-6516 support for output lines?
Answer 3: 5 V to 30 V
Question 4: What logic high input voltage does the PCI-6516 require?
Answer 4: At least 11 V
Question 5: Is input voltage between 4V-11V valid for the PCI-6516?
Answer 5: No, it’s considered invalid.
