- 行业: Automation
- Number of terms: 8432
- Number of blossaries: 0
- Company Profile:
Rockwell Automation, Inc. provides industrial automation power, control, and information solutions.
Changing the direction of rotation of the motor armature or rotor. A dc motor is reversed by changing the polarity of the field or the armature, but not both. An ac motor is reversed by reversing the connections of one leg on the 3-phase power line or by reversing the leads on a single-phase power line.
Industry:Automation
The time it takes for a station to gain access to the medium.
Industry:Automation
1) To read from memory based on a physical address. 2) See logical read
Industry:Automation
Repeat attempting to send a transmission from one point to another. A re-try is executed when the original transmission is unsuccessful. Re-tries are executed repeatedly until the transmission is successful or a maximum limit is reached.
Industry:Automation
1) A message transmitted in reply to a command message. 2) See command-reply pair
Industry:Automation
A multi-position rotary switch with a sprocket that is stepped forward or backward by using a finger or thumb to rotate it.
Industry:Automation
Circuitry designed to protect against false pulses during power-up or power-down action.
Industry:Automation
The time it takes to raise an analog voltage or current output level from 10% to 90% of maximum.
Industry:Automation
1) To return a word to its initial value. 2) To download a copy of a memory file to a programmable controller to overwrite one that had been altered.
Industry:Automation
