EEA-PAM-513-A-33 Vickers
Wake Industrial LLC is not an authorized distributor of this product.
The Vickers EEA-PAM-513-A-33 is a power amplifier from the EEA-PAM Power Amplifiers series. It operates with a nominal supply voltage of 24 VDC and has a nominal supply power of 50 W. The amplifier supports a maximum solenoid current of 1.6 A and features reverse-polarity input protection.
Internal Product Review
The EEA-PAM-513-A-33 is a Vickers EEA-PAM Power Amplifier well-suited for precise control tasks, featuring a maximum solenoid current of 1.6 A and a nominal supply voltage of 24 VDC. Input protection against reverse polarity adds to operational safety, while a factory gain setting of 10 %/V ensures consistent performance. This amplifier stands out for its reliable current delivery and safety features.
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Product Description:
The EEA-PAM-513-A-33 is a plug-in power amplifier card manufactured by Vickers within the EEA-PAM Power Amplifiers series. It occupies a single 3U Eurocard slot and mates with a DIN 41612 back-plane connector used across the company’s valve driver racks. Installed in hydraulic control assemblies, it converts low-level command signals into regulated coil currents that actuate proportional solenoid valves. By performing this signal conditioning the board allows a PLC or analog controller to modulate flow or pressure without directly driving the load, providing the essential interface between electronic motion logic and the demanding current requirements of industrial hydraulic systems.
Normal operation is powered from a nominal supply of 24 VDC, and the card dissipates up to 50 W while driving its load. Reverse-polarity circuitry protects the board if supply leads are crossed. With a zero-volt command the output sinks only 0.3 A; at full input it can deliver 1.6 A to energize larger solenoids. Current references enter through a 100 Ω shunt so 10 mA sources create the ±10 V span set by the factory gain of 10 % per volt. For voltage mode the command channel offers 47 kΩ impedance, and the enable node is sensed through 22 kΩ to reduce noise pickup.
An internal watchdog disables output when the rail drops below <18 VDC, preventing valve drift during brownouts. Terminals z22/b22 provide a ±15 V auxiliary rail that can source 50 mA for external electronics. Separate reference pins deliver ±10 V (1 %) and allow 5 mA for remote potentiometers. The card stands only 175.24 mm tall and 128.4 mm wide, fitting standard Eurocard guides.
