VT‑SR31‑1X, VT‑SR38‑1X

Bosch Rexroth Valve Amplifier for High-response Valves VT‑SR31‑1X ... VT‑SR38‑1X

• Component series 1X
• Analog, euro-card format
• Suitable for actuation of high-response valves (fl ow control valves) with servo valve pilot control and electric position feedback (cartridge valves, type .WRC…1X)

Features:

• Controller for valve fl ow
• Controller for main control spool position
• Dither signal generator
• Push-pull output stage
• Oscillator/demodulator
• Enable circuit mit relay
• Measuring instrument for display of servo valve fl ow
• Reverse polarity protection for voltage supply Optional extensions:
• PID controller 1) with controller change-over
• Relay with potential-free changeover contact (28 V/0.5 A)
• Voltage regulator ±15 V for supply of controller and position transducer electronics