EEA-PAM-511-A-32-EN8
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The EEA-PAM-511-A-32-EN8 is a Eurocard-style power amplifier designed to deliver a ±10 V analog differential input signal. Manufactured by Vickers as part of the EEA-PAM-5**-A-32 Power Amplifiers, it supports LVDT or feedback inputs for precise control. Key features include short-circuit protection and a 24 VDC power supply.
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Product Description:
The model EEA-PAM-511-A-32-EN8 is a Power Amplifier for proportional valves. It features five voltage and one current input. The ramp, gain and deadband controls allow easy signal conditioning. The monitoring outputs assist in valve performance checks via LVDT or solenoid current.
The Vickers EEA-PAM-511-A-32-EN8 power amplifier operates on 24 V DC power with a 50 W nominal rating. It accepts input voltages from 20 V to 40 V DC with a ripple tolerance of 10 %. The reverse polarity protection is integrated in the model. The command inputs include direct and inverting voltage ranging from 0 to ± 10 V. The voltage input impedance is 47 kΩ. A current input is also supported with a range of 0 – 20 mA and impedance of 100 Ω. The ramp control features allow time adjustments between 50 ms to 5 seconds. Two ramps (up and down) can be adjusted independently. The amplifier has factory settings with minimum ramp times starting at 50 ms. The signal source compatibility includes ± 15 V, 50 mA (with 50 mV ripple) and ± 10 V, 5 mA (20 mV ripple). The temperature drift remains under 1 mV/°C across 0 – 50 °C. All outputs are short circuit protected for durability and safety. The ramp function is controlled via the “ramp enable” input.
The EEA-PAM-511-A-32-EN8 power amplifier includes automatic reset overload protection. The drive enable/disable control is accessible via z24 that accepts > 9.8 V for enable and ≤ 4.5 V or open circuit for disable. The front panel monitor points allow inspection of conditioned command signals and feedback signals. These can be spool position LVDT signals or solenoid current based on valve type. The amplifier supports both voltage and current signal inputs for flexible integration.
Frequently Asked Questions about EEA-PAM-511-A-32-EN8:
Q: What input voltage range does the Vickers EEA-PAM-511-A-32-EN8 support?
A: The Vickers EEA-PAM-511-A-32-EN8 power amplifier accepts input voltages ranging from 20 V to 40 V DC. It features a ripple tolerance of 10% to ensure stable performance.
Q: How does the ramp control function work in the EEA-PAM-511-A-32-EN8?
A: The ramp control in the EEA-PAM-511-A-32-EN8 allows for independent adjustments of up and down ramps. The time adjustments range from 50 ms to 5 seconds for precise signal conditioning.
Q: Does the Vickers EEA-PAM-511-A-32-EN8 offer protection against short circuits?
A: Yes, the EEA-PAM-511-A-32-EN8 includes short circuit protection on all outputs. This ensures durability and safety during operation with proportional valves.
Q: What command inputs does the EEA-PAM-511-A-32-EN8 support?
A: The EEA-PAM-511-A-32-EN8 supports both direct and inverting voltage inputs from 0 to ±10 V. It also accepts a current input range of 0 to 20 mA with an impedance of 100 Ω.
Q: Can the Vickers EEA-PAM-511-A-32-EN8 handle temperature variations?
A: The EEA-PAM-511-A-32-EN8 features a temperature drift of under 1 mV/°C. It performs consistently across a temperature range of 0 to 50 °C, maintaining high accuracy.
