EEA-PAM-126-A-20
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The Vickers EEA-PAM-126-A-20 amplifier board series EEA, delivers ±10V/±20mA input handling and PWM output. It has adjustable ramp times from 50ms to 5s for controlling proportional valves in hydraulic systems.
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Product Description:
The EEA-PAM-126-A-20 is an electronic Amplifier Board for usage as a power-enhancing unit. The manufacturer of this board Vickers is known for sturdy and efficient design creation and its products lead in industrial automation with reliability.
The EEA-PAM-126-A-20 amplifier board works by taking small electrical input signals and turning them into stronger signals that can control the valve’s solenoids accurately. The board is powered by a 24V DC supply. It has various capacitors as 1000 micro-farad with 63 V to smooth out power and also aids in decreasing electrical distortions. Inside this EEA-PAM series board , the operational amplifiers (op-amps) are used to boost and process these signals. The Pulse Width Modulation controller functions to precisely manage signals that determine solenoid current flow. The valve performs motions with smoothness and accuracy. Ramp generator functionalities on the board enable users to control the speed with which the valve responds to electrical signals. It also enables ramp time adjustments spanning from 50 milliseconds to 5 seconds to produce fluid valve movements without jerks. The system employs LVDT devices to measure valve position before it compares this measurement against the desired valve position.
The EEA-PAM-126-A-20 amplifier board modifies its signal values to eliminate differences between target and actual positions. It adopts several security measures including reverse polarity protection alongside overload protection to shield both the board and its associated hydraulic system. Installation and wiring convenience becomes possible through the DIN 41612 standard connectors. The input signal section of the design accepts standard control signals between 0 and ±10V or ±20mA and requires resistors for signal scaling and filtering functions.
Frequently Asked Questions about EEA-PAM-126-A-20:
Q: What is the input signal range supported by the EEA-PAM-126-A-20?
A: The EEA-PAM-126-A-20 supports both ±10V and ±20mA input signals, allowing flexibility in signal source types for precise hydraulic valve control.
Q: Can the ramp time be adjusted on the EEA-PAM-126-A-20 board?
A: Yes, the EEA-PAM-126-A-20 features adjustable ramp timing from 50 milliseconds to 5 seconds, enabling smooth acceleration and deceleration of the valve.
Q: What type of power supply is required for the EEA-PAM-126-A-20?
A: The EEA-PAM-126-A-20 operates using a standard 24V DC supply, suitable for industrial control environments with stable power requirements.
Q: Does the EEA-PAM-126-A-20 provide overload protection?
A: Yes, the EEA-PAM-126-A-20 includes built-in overload and reverse polarity protection to safeguard both the circuit and the hydraulic actuator.
Q: What is the purpose of the feedback feature in the EEA-PAM-126-A-20?
A: Feedback from devices like LVDTs allows the EEA-PAM-126-A-20 to accurately adjust the valve’s position based on real-time measurements.
