EEA-PAM-523-A-30 Vickers
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The EEA-PAM-523-A-30 is a power amplifier manufactured by Vickers and is part of the EEA-PAM Power Amplifiers series. It operates with a nominal supply voltage of 24 VDC and a supply voltage range from 20 to 40 VDC, drawing a typical control supply current of 50 mA. The amplifier features a power consumption of 40 W and offers a solenoid current monitor scale of 1 V per Ampere.
Internal Product Review
The EEA-PAM-523-A-30 is a Vickers power amplifier designed for precise control in hydraulic systems, featuring a nominal supply voltage of 24 VDC and a power consumption of 40 W. With undervoltage shutdown at 18 VDC and enable input resistance of 22 kΩ, it offers dependable circuit protection. The amplifier's high reliability and stable operation make it a strong choice for demanding industrial environments.
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Product Description:
The EEA-PAM-523-A-30 power amplifier card is produced by Vickers within the EEA-PAM Power Amplifiers series. The module conditions command, feedback, and supply signals so that a proportional solenoid valve receives a controlled current in hydraulic automation loops. By translating low-level control voltages into regulated load current, it links PLC analog outputs with the dynamic requirements of industrial actuators.
Its electrical input is centered on a nominal bus of 24 VDC; operation is permitted down to 20 VDC and up to 40 VDC. Line quality is maintained when peak-to-peak ripple does not exceed ±10% pk-pk, and the board disconnects the solenoid if the rail sags to 18 VDC. Under rated conditions the card draws a maximum of 40 W, a figure that guides enclosure heat calculations. These ranges let the amplifier ride through typical machine supply variation while protecting the output stages and attached valve.
Control circuitry is powered from a separate ±15 VDC rail that requires only 50 mA; the low current reduces noise coupling. A maximum ripple of 50 mV pk-pk on this rail keeps the internal reference stable. The reference generator supplies ±10 VDC at 5 mA to external command sources, holding ripple below 20 mV pk-pk and temperature drift under 1 mV/°C. Command enable logic presents 22 kΩ to the driving contact, and the monitor output uses a 10 kΩ impedance so that diagnostic meters do not load the circuit. Valve current can be observed directly because the on-board transducer scales feedback at 1 V/A. During tuning technicians can relate that reading to the originally supplied control rail current and the 5 mA reference limit to confirm the card stays within design margins.
