ATOS E-ME-AC-05F

Product Name: ATOS E-ME-AC-05F Analog Eurocard-type Electronic Amplifier

Product Brief: An analog-type electronic amplifier in Eurocard format (DIN 41494), designed to drive Atos proportional directional valves and pressure/flow control valves equipped with two solenoids (double electromagnetic actuator) but without position or pressure feedback sensors. It converts a reference voltage or current signal into a PWM-controlled current output to position the valve spool proportionally.

Category: Others

Description

Key Technical Specifications:

Supply Voltage: +24 VDC (filtered & rectified), range 21–33 VDC
Max Power Consumption: 50 W
Solenoid Drive Current: Max 3.3 A PWM (2.5 A for explosion-proof valves)
Reference Input Signal: ±5 VDC (standard) or 4–20 mA with /I option; input impedance >50 kΩ (voltage) / 316 Ω (current)
Ramp Time: Adjustable up to 5 s (0–100% signal)
Enable Signal: 5–24 VDC on pin 18a, front-panel LED indicator
Potentiometer Supply: +5 V / 50 mA and –5 V / 20 mA
Working Temperature: 0 to +50 °C (storage –20 to +70 °C)
Format: Eurocard 100 × 160 mm, DIN 41612 connector with shield covers
Front Panel Size: 128.4 × 35.3 mm; Weight approx. 540 g

Function & Features:

Gain and dead-zone (bias/offset) adjustment via front-panel potentiometers — dual gain pots for forward/reverse motion on E-ME-AC-05F
Symmetrical or asymmetrical ramp generator (option /RR)
Optional 4 internal reference signals selectable via external ON/OFF logic (option –4, /RR‑4, /4R‑4)
Input/output EMI filtering, CE compliant per EMC directive
Short-circuit protection on solenoid driver outputs
Monitoring test point: 1 mV = 1 mA coil current

Application: Open-loop or closed-loop pressure, flow, and position control in hydraulic systems using Atos proportional valves (DKZ, DKC, DKG series etc.) in presses, injection molding, steel mills, and test rigs.

Installation Notes:

Requires separate mounting bracket (model E-K-32M or similar).
Solenoid wiring: 2 × 1 mm² up to 20 m, or 2 × 1.5 mm² shielded up to 40 m.
Power supply must be well-filtered; recommended reservoir capacitor 4700–10000 µF.
Ensure correct polarity of reference signal and enable line before energizing.

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