Description
The Current Input Terminal Block with Part Number 777687-38 is designed to operate seamlessly with compatible modules such as SCXI-1120, SCXI-1120D, SCXI-1125, and SCXI-1126, offering flexibility in usage. This terminal block features an 8-Channel configuration, each channel being equipped with a 249 Ohm precision resistor to facilitate accurate current measurements ranging from 0 to 20 mA or 4 to 20 mA.
It includes 18 screw terminals to ensure secure and straightforward connections. The terminal block is capable of handling a maximum working voltage of 300 Vrms or ±300 VDC, which speaks to its robustness in various electrical environments. Calibration of the terminal block is recommended annually or as required by the specific application to maintain measurement accuracy and reliability.
The unit’s physical attributes include a weight of 7 oz and dimensions of 7.000 x 3.125 x 1.200 inches, making it a compact and manageable accessory for the supported modules. It operates efficiently within an operating temperature range of 0 to 50 °C and can be stored in temperatures ranging from –20 to 70 °C. The relative humidity range for the terminal block is 10 to 90% (non-condensing), ensuring performance stability in varying environmental conditions.
Although its Obsolete Status has been announced by National Instruments, this terminal block remains a valuable component for current measurement applications and is supported for continued use and service.
Specification | Detail |
---|---|
Part Number | 777687-38 |
Compatible Modules | SCXI-1120, SCXI-1120D, SCXI-1125, SCXI-1126 |
Type | Current Input Terminal Block |
Channels | 8-Channel |
Resistor per Input | 249 Ohm precision resistor |
Current Input Range | 0 to 20 mA, 4 to 20 mA |
Screw Terminals | 18 |
Maximum Working Voltage | 300 Vrms or ±300 VDC |
Calibration | Recommended annually or as required |
Weight | 7 oz |
Dimensions (inches) | 7.000 x 3.125 x 1.200 |
Operating Temperature Range | 0 to 50 °C |
Storage Temperature Range | –20 to 70 °C |
Relative Humidity Range | 10 to 90% (non-condensing) |
Obsolete Status | Announced by National Instruments |
Question 1: What are the recommended environmental conditions and maintenance schedule for the Current Input Terminal Block with Part Number 777687-38 to ensure its continued accuracy and reliability in measurements?
Answer 1: The Current Input Terminal Block with Part Number 777687-38 features an 8-Channel configuration with 249 Ohm precision resistors for accurate current measurements, 18 screw terminals for secure connections, a maximum working voltage of 300 Vrms or ±300 VDC, and is compatible with SCXI-1120, SCXI-1120D, SCXI-1125, and SCXI-1126 modules, designed for flexibility in various electrical environments.
Question 2: What is the recommended frequency of calibration for the Current Input Terminal Block, Part Number 777687-38, to ensure continued accuracy and reliability in measurements?
Answer 2: The recommended environmental conditions for operating the Current Input Terminal Block with Part Number 777687-38 are a temperature range of 0 to 50 °C and a relative humidity range of 10 to 90% (non-condensing), while for storage, it should be kept in temperatures ranging from –20 to 70 °C.
Question 3: What are the main features and compatibility of the Current Input Terminal Block with Part Number 777687-38?
Answer 3: The recommended frequency of calibration for the Current Input Terminal Block, Part Number 777687-38, is annually or as required by the specific application to ensure continued accuracy and reliability in measurements.
Question 4: What are the specific operating and storage temperature ranges for the Current Input Terminal Block, Part Number 777687-38, and how often is its calibration recommended?
Answer 4: To ensure continued accuracy and reliability in measurements, the Current Input Terminal Block with Part Number 777687-38 should be operated within an environmental temperature range of 0 to 50 °C, a storage temperature range of -20 to 70 °C, and a relative humidity range of 10 to 90% (non-condensing); additionally, it is recommended that the terminal block undergo calibration annually or as required by the specific application.
Question 5: Considering the information provided about the Current Input Terminal Block with Part Number 777687-38, what are the recommended environmental conditions for its operation and storage?
Answer 5: The operating temperature range for the Current Input Terminal Block, Part Number 777687-38, is 0 to 50 °C, and its storage temperature range is -20 to 70 °C; calibration is recommended annually or as required by the specific application.