EEA-PAM-535-C-30 Vickers
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The Vickers EEA-PAM-535-C-30 is a power amplifier from the EEA-PAM Power Amplifiers series. It operates with a nominal supply voltage of 24 VDC and a maximum supply voltage of 40 VDC, consuming up to 40 W of power. The control supply current is rated at 50 mA and the unit features adjustable ramp times ranging from 0.050 to 5 seconds.
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Product Description:
The EEA-PAM-535-C-30 is a plug-in power amplifier card manufactured by Vickers within the EEA-PAM Power Amplifiers series. Designed for electro-hydraulic motion control, the module conditions command signals and drives proportional valves so that pressure or flow follows an electrical reference in automated machinery. Its Eurocard format allows quick replacement in control racks while retaining adjustable ramp and enable functions required in production lines.
The card draws a nominal supply of 24 VDC, and the circuitry tolerates ripple up to ±10 percent peak-to-peak without affecting valve linearity. Internal dissipation is limited to 40 W, so cabinet airflow must keep the board within its temperature rating. For motion sequencing the ramp generator spans from a minimum of 0.050 s to a maximum of 5 s; these programmable edges let the user tailor acceleration and deceleration of hydraulic axes. A precision reference stage provides ±10 VDC at up to 5 mA with an accuracy of ±1 percent, giving a stable command source for external joysticks or PLC analog outputs. The amplifier’s control logic is powered separately by ±15 VDC at 50 mA, isolating sensitive electronics from the valve load path, while the main supply may rise to 40 VDC without damage.
Digital supervision features guard against abnormal conditions. If line voltage falls to 18 VDC the undervoltage circuit switches the drive off, preventing sluggish valve response. A separate enable input must see at least 9.8 V through its 22 kΩ pull-up network before the output stage is activated; when the signal drops below 4.5 V the drive is forcibly disabled. The current needed for the dual control rails remains only 50 mA, easing load on the system power supply. Four front-panel ramp potentiometers allow independent adjustment of up-ramp, down-ramp, dither frequency, and deadband, letting maintenance staff fine-tune valve behavior without software.
Frequently Asked Questions about EEA-PAM-535-C-30:
Q: What is the nominal supply voltage required for the EEA-PAM-535-C-30 power amplifier?
A: The nominal supply voltage for the EEA-PAM-535-C-30 is 24 VDC.
Q: What is the maximum power consumption of the EEA-PAM-535-C-30?
A: This model consumes a maximum of 40 watts during operation.
Q: How many ramp potentiometers does the EEA-PAM-535-C-30 include?
A: It features four ramp potentiometers for adjustable timing control.
Q: What control supply voltage does the EEA-PAM-535-C-30 require?
A: The control supply voltage is specified at ±15 VDC for this amplifier.
Q: At what voltage does the EEA-PAM-535-C-30 activate its undervoltage shutdown?
A: Undervoltage shutdown protection activates if supply voltage drops to 18 VDC.
