133388-01 Features and Functions

Highly reliable and responsive: It is a highly reliable and responsive redundant tachometer system specifically designed for mechanical overspeed protection.

Compliant with industry standards: The system complies with the American Petroleum Institute's standards 670 and 612 for overspeed protection.

Programmability: This system is a PLC programmable control system that allows users to customize and configure according to their needs.

Specification 133388-01

Input signal: Each overspeed detection module receives a signal from an eddy current sensor or magnetic sensor, with an input signal range of+10.0V to -24.0V.

Input impedance: 20k Ω.

Power consumption: Typically 8.0W.

Supported sensors: Suitable for Bentley 3300 8mm eddy current sensors, 3300 16mm high-temperature eddy current sensors (HTPS), 7200 5mm, 8mm, 11mm, and 14mm eddy current sensors, 3300 RAM eddy current sensors, or magnetic sensors.

Alarm and protection

Alarm set points: 133388-01 can be set below or above the alarm level, as well as dangerous (overspeed) set points for speed. All alarm setpoints are set by software configuration.

Alarm time delay: When the frequency is above 300Hz, the alarm time delay is less than 30ms.

Overspeed detection module: provides proportional overspeed speed values, which can be used to monitor the measurement of mechanical speed by the monitor.

system configuration

Voting System: The 133388-01 module can be used to form a 2 out of 2 or 3 out of 2 (recommended) voting system.

Power requirements: The 3500 rack equipped with an overspeed detection system requires redundant power supply.

Module installation: It can be installed in any slot (2-15) on the right side of the framework interface module, but the three module groups must be installed adjacent.

Purpose and Application

Protecting the machine: 133388-01 compares the current machine speed value with the alarm value in the configuration continuously, and drives the alarm system to achieve the purpose of protecting the machine.

Provide information: Provide speed information for key equipment to operators and maintenance personnel.

Configuration and Configuration

The 3500 rack configuration software can be used to configure each channel of 133388-01, enabling it to have various functions such as radial vibration, axial displacement, differential expansion, shaft eccentricity, etc.

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