Product Description
Bosch Rexroth VT-VSPD-1-13/V0 is a digital valve amplifier in Euro card format, designed for Rexroth proportional hydraulic valves without electrical position feedback. Based on microprocessor architecture, it enables digital parameter configuration, characteristic curve adjustment and fault logging. It accepts ±10V or 4-20mA setpoint signals and outputs drive current to proportional valve solenoids. Equipped with RS232 port for PC commissioning and local bus for networking, up to 32 cards can be connected together. Standard Euro card dimension for 19-inch rack mounting, widely used in various hydraulic control systems. This is an older legacy digital amplifier board, mainly supplied as spare parts for existing hydraulic machinery.
Technical Parameters
- Model: VT-VSPD-1-13/V0
- Type: Digital proportional valve amplifier (Euro Card)
- Suitable Valves: Proportional pressure, flow and directional valves without position feedback (4WRA, DBE, DRE, 3DREP, etc.)
- Power Supply: 24VDC (21~30VDC)
- Max Current Consumption: 1.5A; standby 270mA
- Internal Fuse: 4A time-delay fuse
- Analog Setpoint Input: ±10V, input impedance＞100kΩ; 4~20mA compatible
- Resolution: 5mV for ±10V range
- Communication: RS232 for setup, Local Bus (max.32 nodes)
- Digital I/O: Digital inputs, short-circuit protected digital outputs (max.30mA)
- Mounting: Euro card 100×160mm, 19” subrack
- Features: Digital parameter setting, curve correction, fault log, measuring test sockets
- Operating Temperature: 0℃ ~ +55℃
- Product Status: Legacy model, available as spare part
Product Applications
- Drive and control of proportional hydraulic valves for injection molding machines, die-casting machines, hydraulic test benches, metallurgical rolling mills and forging presses.
- Digital open/closed-loop control of pressure, flow and direction for machine tool and mobile machinery hydraulics.
- Installed inside 19-inch racks of hydraulic control cabinets for centralized multi-valve control.
- Maintenance, spare parts replacement and retrofitting of existing Rexroth hydraulic systems.
- Proportional control for hydraulic test benches and hydraulic power units in automated production lines.
Series Models
- VT-VSPD-1-13/V0: Original digital valve amplifier for proportional valves without position feedback
- VT-VSPD-1-2X/V0: Improved upgraded version with enhanced hardware and functions
- VT-VSPD-2 series: New generation digital amplifier with extended diagnosis and bus capability
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