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The SY2DFEE-2X/140-100/01073332+01073331 module is a hydraulic control unit manufactured by Bosch Rexroth for the SYD Hydraulic Control Systems series. It interfaces with automation controllers through a 24 VDC supply, and normal operation draws a rated current of 0.6 A while peaks up to 1.25 A cover dynamic spool shifts. The electronics accept a current command of up to 30 mA, and the analog current input sees a 100 Ω load so drive circuits can be sized correctly. When a voltage signal is used, the input impedance is at least 50 kΩ to minimize loading on PLC outputs. Short-time excursions are tolerated between 21 V and 35 V, extending resilience during supply fluctuations. Protection class IP65 enables use in wash-down areas or outdoor manifolds without separate enclosures.
Hydraulic performance is rated for 280 bar, allowing the unit to control actuators in high-pressure circuits filled with HL or HLP mineral oil. System accuracy benefits from a hysteresis that does not exceed 0.2 %, so commanded positions return predictably after load reversals. Pressure output follows the reference within a linearity tolerance of 1.5 %, and swivel positioning stays inside a 1.0 % linearity band to keep motion smooth across the range. Repetition accuracy of 0.2 % ensures identical response over successive cycles, important for synchronized cylinder movements. These characteristics combine to deliver stable regulating behavior in demanding hydraulic automation cells.
Analog Current Input Load
100 Ω
Hydraulic Fluid
Mineral Oil (HL/HLP)
Hysteresis
0.2% (max)
Lower Limit Voltage
21 V (short-time)
Max Current
1.25 A
Max Input Current
30 mA (current input)
Max Operating Pressure
280 bar
Pressure Linearity Tolerance
1.5% (max)
Protection Class
IP65
Rated Current
0.6 A
Repetition Accuracy
0.2%
Supply Voltage
24 VDC
Swivel Linearity Tolerance
1.0% (max)
Upper Limit Voltage
35 V (short-time)
Voltage Input Impedance
50 kΩ (min)
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