EEA-PAM-525-B-32 Vickers
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The Vickers EEA-PAM-525-B-32 power amplifier is part of the EEA-PAM Power Amplifiers series. It features a voltage input impedance of 47 kΩ and a reference output voltage of ±10 VDC. The unit is compatible with K*G4V-3 and KDG5V-5/7/8 valve types and has a DIN 41612 F48 connector standard.
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Product Description:
The EEA-PAM-525-B-32 is a plug-in power amplifier card produced by Vickers within the EEA-PAM Power Amplifiers series. Designed for closed-loop hydraulic motion control, the card converts low-level command signals from a PLC or analog controller into a regulated coil current that drives proportional and servo valves. Mounted in a rack, it forms part of the control stack that adjusts spool position or poppet force so that flow and pressure follow the operator or process demand.
Electrical interfacing is achieved through a DIN 41612 F48 back-plane connector, and the board occupies only 1.59 in of panel width to preserve cabinet space. Voltage commands delivered on pins d22, d24, d26, and d28 see an input impedance of 47 kΩ, while a current loop enters a separate stage with 100 Ω input resistance. When local trim is required, the front-board potentiometer is rated at 50 kΩ; an external potentiometer of 5 kΩ can also be fitted provided the source can supply 0.25 W. The card reproduces the controller’s demand through a bipolar reference channel that swings to ±10 VDC, giving the downstream electronics a calibrated feedback point.
Dynamic performance is shaped by the ramp network: the accelerate command arrives on pin d6, the decelerate command on pin d8, and both are processed through a 10 kΩ impedance so response can be tuned without overloading upstream drivers. The reference path can deliver up to 5 mA and holds ripple to 20 mVpp Max, preventing dithering of the hydraulic actuator. For transducer excitation, the board supplies an isolated +15 VDC source suitable for most LVDT feedback elements. These features allow precise control of the compatible K*G4V-3 and KDG5V-5/7/8 proportional valves without requiring external signal conditioners or ramp generators.
Frequently Asked Questions about EEA-PAM-525-B-32:
Q: What is the resistance value of the command input potentiometers on the EEA-PAM-525-B-32?
A: The EEA-PAM-525-B-32 power amplifier features command input potentiometers rated at 50 kΩ.
Q: Which valve types can the EEA-PAM-525-B-32 be used with?
A: This model is compatible with K*G4V-3 and KDG5V-5/7/8 valve types.
Q: What connector standard is utilized by the EEA-PAM-525-B-32 amplifier?
A: The EEA-PAM-525-B-32 uses a DIN 41612 F48 connector standard for its connections.
Q: What is the reference output voltage provided by the EEA-PAM-525-B-32?
A: The reference output voltage for this amplifier is ±10 VDC.
Q: Which input pin is designated for ramp acceleration on the EEA-PAM-525-B-32?
A: Input signals for ramp acceleration are received through pin d6 on the unit.
