EEA-PAM-581-C-32
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The EEA-PAM-581-C-32 is a power amplifier with an output current adjustable up to 3.0 A and designed for 24 VDC input voltage (±20%). Manufactured by Vickers as part of the EEA-PAM-5**-C-32 Power Amplifiers Series, it features DIN-rail mounting options, compatibility with Vickers proportional valves, and over-current protection.
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Product Description:
The EEA-PAM-581-C-32 is a Power Amplifier by Vickers. It is designed for industrial valve control. The rated input voltage of the amplifier is 24V DC. It ranges from 20V to 40V DC, including ripple. The total power draw of the unit can reach up to 50 watts. The drive function becomes active when the control voltage is above 9.8V.
The EEA-PAM-581-C-32 power amplifier turns off when the voltage is 4.5V or disconnected. The ramp control is also enabled above 9.8V and disabled at 4.5V or open circuit. The amplifier accepts voltage signals of ±10V through designated input terminals. It also supports the current input of ±20 mA on a separate pin. The voltage signal resistance is 47 kΩ. The current signal resistance of the drive is 100 Ω. The EEA-PAM-581-C-32 power amplifier is RoHS compliant to ensure that no harmful materials are used. It meets EMC standards to prevent interference in noisy industrial environments. Designed for rugged use, it resists shock and vibration. The amplifier uses natural convection for cooling, reducing noise and power consumption. The ramp function ensures smooth motion, reducing mechanical stress. The front panel controls and diagnostics make it easy to adjust settings and troubleshoot issues.
The EEA-PAM-581-C-32 power amplifier also provides a command feedback signal at MP1 with a 0–10V output. The front panel has green lights for 24V and 15V power indicators. The yellow lights show ramp activity, solenoid drive, and drive status. Red lights warn of overload or LVDT failure. The connector type is DIN 41612 F48 male. The board measures 175.24 mm by 128.4 mm by 40.3 mm. The amplifier operates in temperatures between 0°C and +50°C. Its storage temperature ranges from –25°C to +85°C.
Frequently Asked Questions about EEA-PAM-581-C-32:
Q: How does ramp activation voltage affect EEA-PAM-581-C-32 power amplifier performance?
A: The EEA-PAM-581-C-32 power amplifier engages ramping only above 9.8V. This prevents accidental ramping under transient noise or during unstable signal startup phases.
Q: What issues arise if EEA-PAM-581-C-32 power amplifier cooling is restricted?
A: The EEA-PAM-581-C-32 power amplifier uses passive convection cooling. The blocked airflow may cause overheating and trigger shutdown through thermal protection circuits or degraded performance.
Q: How does feedback at MP1 enhance EEA-PAM-581-C-32 power amplifier diagnostics?
A: The EEA-PAM-581-C-32 power amplifier’s MP1 terminal provides real-time command voltage reflection. This enables engineers to verify signal scaling and detect signal dropouts easily.
Q: Why is a 47 kΩ input resistance used in EEA-PAM-581-C-32 power amplifier?
A: The EEA-PAM-581-C-32 power amplifier’s high impedance minimizes loading on voltage sources. This preserves signal fidelity and allows longer cable runs without voltage loss.
Q: What is the benefit of DIN 41612 F48 in EEA-PAM-581-C-32 power amplifier?
A: The EEA-PAM-581-C-32 power amplifier uses DIN 41612 for secure multi-pin interfacing. This supports dense wiring schemes and maintains connection integrity under vibration.
