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Rexroth VT-VVSPA2-1-21/V0/T1 Analog Proportional Valve Amplifier Board
| Brand: Rexroth VT-VVSPA2 series |
| Item NO: VT-VVSPA2-1-21/V0/T1 R901002090 |
| Effect: Standardize and ramp command signals |
| Condition: In stock, brand new/Used |
| Warranty: 365 days |
| Payment:T/T 50% deposit, 50% balance |
| www.szcxdcs.com |
+86 15359298293
Rexroth VT-VVSPA2-1-21/V0/T1 Analog Proportional Valve Amplifier Board
VT-VVSPA2-1-21/V0/T1 R901002090 is a Rexroth VT-VVSPA2 series analog proportional amplifier board, belonging to the hydraulic control signal processing unit.
Function: Receive external ± 10V voltage or 4-20mA current command signals, standardize and ramp up the command signals, amplify the output driving current, control the valve core opening of proportional directional valves and proportional pressure valves, thereby regulating the flow and pressure of the hydraulic system; Support 4 sets of internal preset command value calls, with enable control and overcurrent fault detection, to achieve closed-loop simulation control of hydraulic systems.
Rexroth VT-VVSPA2-1-21/V0/T1 Analog Proportional Valve Amplifier Board
Parameter Specifications
| Parameter | Specification |
|---|---|
| Model | VT‑VSPA2‑1‑21/V0/T1 |
| Order No. | R901002090 |
| Card Format | Eurocard DIN41494, 100×160 mm |
| Connector | 48‑pin blade connector Form‑F |
| Power Supply | 24 VDC, +40% /‑20% (18‑35VDC) |
| Power Consumption | <8 W |
| Input Signal | Differential voltage ±10 V; Current input 4‑20 mA; 4 internal preset command value inputs |
| Ramp Function | 1 adjustable ramp time (0.2‑50 s) |
| Output Stage | Two clocked current output stages, short‑circuit proof |
| Actual Value Output | ±2.5 V, max 2 mA |
| Clock Frequency | 300‑370 Hz (4WRA6); 180‑410 Hz (4WRA10); 170 Hz (4WRZ/3DREP) |
| Fuse | 2 A slow‑blow replaceable fuse |
| Protection | Reverse‑polarity protection, over‑current fault detection |
| Operating Temperature | 0 ℃ ~ +50 ℃ |
| Storage Temperature | ‑20 ℃ ~ +70 ℃ |
| Net Weight | 0.32 kg |
| Compatible Valves | 4WRA6‑2X, 4WRA10‑2X, 4WRZ‑7X, 3DREP6‑2X |
Product features
- European card structure: Standard Eurocard card, compatible with VT3002 rack card slot, 48 pin F-type connector, convenient for modular installation, insertion and maintenance in the control cabinet.
- Dual signal input compatibility: Supports differential voltage ± 10V, 4-20mA current input, no hardware switching required, can receive PLC or external potentiometer commands.
- Single slope generator (T1 version): One adjustable slope time of 0.2-50 seconds, smooth valve action to avoid hydraulic shock; Support reverse command signal function.
- Four sets of internal preset command values: onboard four sets of potentiometer preset control values, which can be called through 24V digital signals, paired with LED status indicator lights, to quickly switch operating conditions.
- Improve safety protection: reverse power protection, identification of output overcurrent faults; Automatic cut-off of output in case of malfunction, protecting the proportional valve coil; Equipped with replaceable 2A slow melting fuses.
- Enable control interface: With hardware enabled input, it can externally interlock and control the amplifier output to start and stop, facilitating equipment safety interlock logic.
- Status LED indication: power ready, command call status visualization, convenient for on-site debugging and troubleshooting.
- DC-DC isolated power supply: onboard DC-DC converter, suppresses ground loop interference, and enhances industrial site anti-interference capability.
Usage Scenarios
1. Metallurgical equipment: rolling mill, shearing machine, hydraulic servo actuator, proportional directional valve flow and pressure regulation.
2. Plastic and rubber machinery: hydraulic systems for injection molding machines and extruders, controlling cylinder speed and pressure.
3. Construction machinery: large hydraulic test bench, press, bending machine, hydraulic proportional control.
4. Machine tool industry: hydraulic chuck, feed hydraulic unit, closed-loop control of proportional valve opening.
5. Petrochemical industry: Hydraulic driven valves, large hydraulic pump station systems, realizing flow and pressure simulation regulation.
6. Papermaking and textile: Equipment hydraulic actuators require smooth speed regulation hydraulic control systems.
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