EEA-PAM-571-B-32 Vickers
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Vickers EEA-PAM-571-B-32 power amplifier is part of the EEA-PAM Power Amplifiers series and operates with a 24 VDC power supply. It provides a maximum control output current of 5 mA and features both +10 V and -10 V control output voltage options with ±1% accuracy. The amplifier has a mass of 0.40 kg and includes a DIN 41612 F48 edge connector standard.
Internal Product Review
The EEA-PAM-571-B-32 power amplifier from Vickers delivers precise control with a voltage command input impedance of 47 kΩ and a maximum control output current of 5 mA. Its 24 VDC power supply and compact build make it suitable for integration into a variety of hydraulic control systems. Overall, this amplifier stands out for reliable performance and easy adaptability to demanding applications.
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Product Description:
The EEA-PAM-571-B-32 is a plug-in power amplifier card manufactured by Vickers for the EEA-PAM Power Amplifiers series. Installed in a hydraulic control rack, it conditions command references and delivers proportional drive current for solenoid-operated devices, enabling precise pressure or flow regulation within automated machinery.
The card operates from a 24 VDC system bus and limits control-circuit draw to 50 mA. At the b2 terminal the reference generator provides −10 V with ±1 % accuracy, and at the z2 terminal it sources +10 V with the same tolerance; these symmetrical voltages feed external command potentiometers. After internal processing the module can deliver up to 5 mA of control output current, with peak-to-peak ripple contained within 20 mV to maintain stable valve positioning. A dedicated +15 V rail supports LVDT feedback sensors, while its own ripple is restricted to 50 mV. The drive channel can be nulled at installation by trimming a zero current of 50 mA across a 50 Ω resistor, aligning system bias before ramp functions engage.
Voltage- and current-mode commands enter the board through high-precision input stages. The current command path presents 100 Ω so current sources see a defined load, while the separate voltage input stage is terminated with 47 kΩ to minimize loading on PLC analog outputs. Enable logic connects to a 22 kΩ node and a dedicated 10 kΩ circuit lights the ramp-active indicator whenever the internal slew generator is running. All terminals are routed to the backplane through a DIN 41612 F48 edge connector, allowing fast replacement without disturbing field wiring. The assembly weighs 0.40 kg, and its 50 Ω null resistor and 50 mV supply ripple limits help preserve signal fidelity during extended operation.
