EEA-EDC-436-D1-32 Vickers
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The Vickers EEA-EDC-436-D1-32 is part of the EEA-PAM Power Amplifiers series and is equipped with a DIN 41612 F48 male backplane connector. The amplifier operates with a nominal supply voltage of 24 VDC and has a control supply output of +15 V. It features analog output load impedance of 10 kΩ and alarm output current up to 50 mA.
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Product Description:
The EEA-EDC-436-D1-32 is a plug-in power amplifier card manufactured by Vickers as part of the EEA-PAM Power Amplifiers series. Fitted into a common backplane, the board translates low-level control references into valve-drive currents and monitors system status for use in hydraulic motion loops deployed on presses, test rigs, and other automated plant.
The module is energized from a nominal 24 VDC supply distributed through a DIN 41612 F48 male connector; two M2.5 × 11 mm screws lock the card to the faceplate. A regulated auxiliary rail of +15 V powers external transducers, while a ±10 V reference delivers 5 mA to analog command circuits. The valve output stage requires at least 10 kΩ load impedance so that signal shaping remains linear. For fault indication, an alarm transistor can sink up to 50 mA. Digital input lines draw 10 mA when activated, and a 6 kΩ feed-forward input permits velocity profiling without excessive loading.
Additional terminals support precise timing and feedback tasks. Alarm wiring must present 50 Ω to limit current on the status channel, and the card’s buffered digital output can source up to 100 mA for relays or lamps. Voltage command entries see a high-impedance path of 47 kΩ, while current and ramp inputs share a 100 Ω termination that minimizes offset during fast transients. The ramp generator can feed downstream hardware as long as the external circuit is 5 kΩ or higher, and its complementary 100 Ω current feedback path maintains symmetry. Sensor pickups may tie into the diagnostic input that offers a high isolation of 1 MΩ, ensuring negligible loading on strain gauges or LVDTs.
