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The importance of effective motor and motor circuit protection cannot be over emphasized. Motors are consistently the largest single cause of industrial and commercial fires, and in today's highly automated commercial and industrial facilities, the failure of even one relatively minor motor may...

Advances in device-level communications along with dedicated software let intelligent motor-control architectures provide useful information to maximize machine uptime. The E3 and E3 Plus motor-protection relays from Rockwell Automation protect single or three-phase squirrel-cage induction motors...

...or electrical currents. A typical application is to signal a warning when a pump motor is drawing too much current, as happens with a clogged water filter. In this case the monitoring relay senses the motor current (typically through a shunt connection) and actuates a relay if current remains above...

...and configure the drive for a particular motor. This is usually done using a human-interface program such as Kollmorgen's MOTIONLINK (R) running on a PC. The PC communicates with the drive through the serial port. The serial port serves its most important function for installation and setup...

...make FTP devices invulnerable to this attack. FTP Bounce uses the protocol as it was created for the Internet. Every device with an FTP service could become an unwitting accomplice in an attack. And many Internet-capable industrial-network devices, such as HMIs, motor controllers, and PLCs, use FTP...

...technology and relay contacts. Now compared to a PLC program, a automation. Those that have in- "soft" relay can have hundreds of vested in these items realize many Example outputs can be indicator logical contacts and no additional benefits like improved film control, lights, relay coils, motor starters...

...in one direction. By adding either extra windings, and external relays and switches, or by using gear mechanisms, the direction of rotation can be changed. In this application note we will discuss in detail, how to control the speed of a PSC motor in both directions using a PIC16F72 microcontroller...

Encoders are used to determine the position, velocity and direction of a motor shaft or other mechanical motion. They provide information required for the precise control of a variety of applications, such as positioning a rotary table, pick and place, machine assembly, packaging, robotics and more...

...control, overload and short-circuit protection, and isolation. Before SPSs, no one device could perform all these functions. They were handled by a motor starter (contactor plus overload relay) wired to either fuses or circuit breakers. Depending on the use, location, and control sophistication...

...or "one touch" operation begins. Current flowing through the motor is monitored, by measuring the voltage drop across a precision value sense resistor. When the motor reaches the end of the travel, "stall condition", the current flowing will typically increase by several times the run current value...

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