Description
- Power Supply: 24 VDC, allowable range 22–35 VDC
- Power Consumption: Less than 25 VA
- Command Input 1: 0 ~ +9 V
- Differential Command Input 2: 0 ~ +10 V, Input Resistance 100 kΩ
- Maximum Output Solenoid Current: 800 mA
- Ramp Time Adjustable Range: 30 ms ~ 5 s
- Switching Frequency: Selectable 100 Hz / 200 Hz
- Form Factor: Euro Card 100 × 160 mm, 3 HE height
- Connector: 32-pin DIN 41612 D-type connector
- Operating Temperature: 0 °C ~ +50 °C
- Storage Temperature: -25 °C ~ +85 °C
Function Features:
- Dual command value input with signal summing function
- Independently adjustable rising and falling ramp generator
- Built-in reverse polarity protection and short-circuit protection
- Onboard potentiometers for zero offset and gain calibration
- Internal stabilized ±9 V reference voltage output
Application Scenarios:
Hydraulic proportional pressure valves, flow control valves in machine tools, material handling equipment, hydraulic test rigs
Material Composition:
Fiberglass printed circuit board, metal front panel, carbon film trimming potentiometers, industrial semiconductors
Structural Features:
Standard plug-in Eurocard structure, suitable for rack installation; front panel equipped with measuring test sockets and adjustment potentiometers
Working Principle:
Input analog command voltage is conditioned and amplified; pulse-width modulation circuit generates adjustable drive current to control proportional valve solenoid; ramp circuit restricts signal change rate to avoid hydraulic impact
Installation Requirements:
Install inside standard Eurocard rack; ensure reliable backplane contact; maintain natural ventilation
Usage Notes:
Set ramp parameters according to hydraulic load to prevent pressure impact; strictly observe maximum solenoid current limit; use twisted pair wires for command signal transmission
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