1. Technical Parameter

l Current: 0 to 5A RMS continuous, 200 A RMS for 1 second.

l Voltage: 100/120 VAC.

l Frequency: 40 to 100 Hz (steady-state).

l Backplane Current Draw: 1.1 A at 5 V DC (2.2 A, 5 ms inrush).

l Update Rate: synchronizing bus-error parameters—100 msec; load share and monitor parameters—200 msec ; 1 sec.

l Input Impedance: Voltage input impedance.

l Current Input Burden: 0.05 VA.

l Voltage Step: 0.05%.

l Frequency Step: 0.01 Hz.

l Phase Step: 1 degree.

l Dielectric Withstand Voltage: 2500V RMS.

l Operating Temperature: 0 to 60 degrees Celsius.

2. Function Features

l Power Metering Capabilities: Allen Bradley 1402-LS51 has the ability to measure and compute a host of parameters such as current, average current, positive and negative sequence currents, percent current unbalance, voltage, average voltage, positive and negative sequence voltages, percent voltage unbalance, frequency, phase rotation, power factor, watts, VA, VAR, power consumption, reactive power consumption, and demand.

l Synchronization Functions: Allen Bradley 1402-LS51 delivers automatic synchronization, load sharing, and high-speed power system monitoring. It can do voltage matched errors in steps of 0.05%; frequency matched errors with a resolution of 0.01 Hz; and synchronizing bus to reference bus phase matched errors with a resolution of 1 degree. It also provides various feedbacks regarding the status of synchronization, including frequency within limits, voltage within limits, phase within limits, and other failure conditions.

l Multiple Synchronization Modes: It provides multiple synchronization modes to meet with the requirement of various applications.

l Advanced Control and Monitoring: The varied input and output choices which Allen Bradley 1402-LS51 offers and also the programmable logic functions allow advanced control and monitoring strategies. The users are capable of determining this device's operations based on very specific industrial processes, thus optimizing the control with a superior performance.

3. Applications

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l Power Metering Capabilities: Allen Bradley 1402-LS51 can measure and calculate a wide range of parameters such as current, average current, positive and negative sequence currents, percent current unbalance, voltage, average voltage, positive and negative sequence voltages, percent voltage unbalance, frequency, phase rotation, power factor, watts, VA, VAR, power consumption, reactive power consumption, and demand.

l Synchronization Functions: Allen Bradley 1402-LS51 provides automatic synchronization, load sharing, and high-speed power system monitoring. It can perform voltage match error in steps of 0.05 percent, frequency match error with a resolution of 0.01 Hz, and synchronizing bus to reference bus phase match error with a resolution of 1 degree. It also offers various status feedbacks related to synchronization, such as frequency within limits, voltage within limits, phase within limits, and different failure conditions.

l Multiple Synchronization Modes: It supports multiple synchronization modes to meet different application requirements.

Advanced Control and Monitoring: The availability of multiple input and output options of Allen Bradley 1402-LS51, along with its programmable logic functions, allows for advanced control and monitoring strategies. Users can customize the operation of the device according to specific industrial processes, enabling more precise control and better performance optimization.