Alternate Torque Metering System Designs

TMS4500 – Torque Metering System Designs for Ship Board Applications

TMS4500 System Description

Torque Metering SystemThe Torque Metering System, TMS 4500 is a system for monitoring torque, speed, and power. The system consists of a Torque Sensor/Transmitter, Torque/Speed Receiver, Processor, and Display. Two Torque Sensor/Transmitters and Torque/Speed Receivers can be installed for two shaft applications. Two Displays can be included for local and remote monitoring.

Torque Sensor/Transmitter

The Sensor/Transmitter is a disc or collar mounted on the shaft. It is powered inductively by the Receiver, senses the torque via strain gauges connected to it, and transmits a torque signal back to the Receiver.

Torque/Speed Receiver

The Receiver is mounted below the shaft and has a ring that surrounds the Sensor/Transmitter. It provides power to the Sensor/Transmitter, receives the torque signal, senses rotating speed, and provides outputs to the Monitor. The electronics are enclosed in a painted steel NEMA 4 enclosure with mounting ears. Riverhawk will specify the mounting bracket requirements and the customer will provide the mounting bracket.

Torque/Speed/Power Processor

The Processor provides power to and receives signals form the Receiver, converts the raw signals to calibrated values, calculates power, and provides display information to the Monitors. The Processor is housed in a fiberglass NEMA 4 enclosure. It has integrated mounting ears. The customer must provide a prepared mounting surface.

Monitor

Alternate Torque Metering DesignsThe display is a Quarter VGA color LCD touch-screen with a display area that is 4.6″ wide by 3.5″ high. The LCD mounting frame is 7.7″ wide by 5.7″ tall. It is housed in a fiberglass NEMA 4 enclosure that is held within a “U” shaped bracket by two large clamping knobs. The bracket can be mounted on a horizontal or vertical surface and allows the monitor to be tilted for optimal viewing angle. The Monitor displays torque, speed, power, and power imbalance as values and horizontal bar graphs.

TMS4100 – Torque Metering System to Measure Shaft Performance in any Application

TMS4100 System Description

The TMS 4100 is a system for monitoring torque, speed, and power. The system consists of a Torque Sensor/Transmitter, a Torque/Speed Receiver, and a Monitor.

Torque Sensor/Transmitter

The Sensor/Transmitter is a disc or collar mounted on the shaft. It is powered inductively by the Receiver, senses the torque via strain gauges connected to it, and transmits a torque signal back to the Receiver.

Torque/Speed Receiver

The Receiver is mounted below the shaft and has a ring that surrounds the Sensor/Transmitter. It provides power to the Sensor/Transmitter, receives the torque signal, senses rotating speed, and provides outputs to the Monitor. The electronics are enclosed in a painted steel NEMA 4 enclosure with mounting ears. Riverhawk will specify the mounting bracket requirements and the customer will provide the mounting bracket.

Monitor

The Monitor provides power to and receives signals from the Receiver, converts the raw signals to calibrated values, calculates power, displays information, and provides 4-20mA outputs for torque and speed. It is housed in a 19″ Rack Mounted Enclosure. The display is a Quarter VGA color LCD touch-screen with a screen area that is 4.6″ wide by 3.5″ high. The Monitor will display torque, speed, and power as values and horizontal bar graphs. It will also display the following at a minimum: Average Torque, Peak Torque, and Running Peak Torque. The unit may also provide (Riverhawk option) AC RMS Torque and AC Peak-Peak Torque. The Average Torque will always be displayed and the display of other available values will be selectable.

SDM 100 – Shaft Disconnect Monitor

SSDM100 System Description

The SDM 100 is a system for monitoring the condition of any shaft disconnect device that employs a clutch, shear pins, or other release mechanism, such as the Riverhawk Torque Blocker. The system consists of two proximity sensors and a “Monitor”. The two sensors detect the presence of indentations on the rotating device, one on the input section and one on the output section. The system provides a contact closure output and a 4-20mA output for annunciation or input to a PLC or DCS. As it is desired to maintain a relatively large gap between the rotating device and the sensors, eddy-current sensors have been utilized.

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