- 産業: Automation
- Number of terms: 8432
- Number of blossaries: 0
- Company Profile:
Rockwell Automation, Inc. provides industrial automation power, control, and information solutions.
A set of contacts on a relay or switch that is open when the relay is de-energized or the switch is de-activated. (They are closed when the relay is energized or the switch is activated.)
Industry:Automation
A set of records stored in one order and linked in a different logical order by insertion of pointers in each record. In a list, the logical order or sequence of records is different from the physical order.
Industry:Automation
Root Mean Square. The effective value of an alternating current, corresponding to the dc value that produces the same heating effect. The rms value is computed as the square root of the average of the squares of the instantaneous amplitude for one complete cycle. For a sine wave, the rms value is 0.707 times the peak value.
Industry:Automation
1) A mode of operation for a point-to-point link with two physical circuits, in which messages or transmission blocks can be sent in both directions at the same time. 2) Contrasted with two-way alternate.
Industry:Automation
A network limited to a local geographical area such as an office or a factory.
Industry:Automation
Concerns the various numbers assigned to peripheral units during auto-load or system generation time. Such numbers can be altered, in contrast with physical unit numbers.
Industry:Automation
The time required to receive and reply to a message on the network.
Industry:Automation
1) To transfer a single unit (8, 16, or 32 bits) of I/O data to/from each I/O module in an I/O chassis. The size of the unit of I/O data depends on the density of I/O addressing in the I/O chassis 2) Contrasted with block transfer
Industry:Automation
A set of regulations governing the construction and installation of electrical wiring and apparatus, established by the National Fire Protection Association and suitable for mandatory application by governing bodies exercising legal jurisdiction. It is widely used by state and local authorities within the United States.
Industry:Automation
