EEA-PAM-535-B-30 Vickers
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The Vickers EEA-PAM-535-B-30 is part of the EEA-PAM Power Amplifiers series and operates with a nominal supply voltage of 24 VDC and a nominal power consumption of 40 W. It offers a control supply output current of 50 mA and output voltage of ±15 VDC, along with reverse polarity protection and undervoltage shutdown at 18 VDC. The amplifier provides a reference output accuracy of ±1% and a maximum control supply ripple of 50 mV peak to peak.
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Product Description:
The EEA-PAM-535-B-30 is a plug-in power amplifier card produced by Vickers for the EEA-PAM Power Amplifiers series. It conditions low-level command signals and drives proportional valve solenoids, enabling accurate pressure or flow control in industrial automation loops. By locating this module inside a cabinet, designers isolate the hydraulic control electronics from harsh plant environments while coordinating valve performance with PLC-issued references.
Primary energy reaches the board at 24 VDC, and the circuitry consumes a nominal 40 W; enclosure airflow therefore must remove that heat. Inside the card, a regulated rail of ±15 VDC is available and can source up to 50 mA for external signal conditioning. The enable terminal presents 22 kΩ of resistance so upstream logic drivers are not overloaded. Control-supply ripple may not exceed 10 % peak-to-peak, and reverse polarity protection blocks damage if the supply is wired incorrectly. For safe operation the unit rejects control potentiometers below 2000 Ω and reference potentiometers below 4000 Ω, keeping source currents within rated limits.
The reference generator holds ripple to 50 mV (pk-pk), delivers ±10 V at up to 5 mA, and limits temperature drift to 1 mV / °C; its nominal output tolerance remains within ±10 VDC at ±1%. A separate measurement node allows technicians to verify those levels without breaking circuit continuity. Should the incoming supply sag to 18 VDC, an undervoltage detector disables the amplifier to prevent partial coil energization. Together, low ripple, strict accuracy, and automatic shutdown ensure stable hydraulic response even when plant power quality fluctuates.
Frequently Asked Questions about EEA-PAM-535-B-30:
Q: What is the nominal supply voltage required for the EEA-PAM-535-B-30 amplifier?
A: The nominal supply voltage for the EEA-PAM-535-B-30 amplifier is 24 VDC.
Q: Does the EEA-PAM-535-B-30 amplifier provide reverse polarity protection?
A: This model features reverse polarity protection to safeguard against incorrect power connections.
Q: What is the maximum control supply output current on the EEA-PAM-535-B-30?
A: The maximum output current from the control supply is 50 mA.
Q: At what voltage level does the undervoltage shutdown activate on this power amplifier?
A: If supply voltage falls below 18 VDC, the EEA-PAM-535-B-30 is designed to shut down.
Q: What is the reference output voltage and accuracy for the EEA-PAM-535-B-30?
A: The amplifier provides a reference output voltage of ±10 VDC with an accuracy of ±1%.
