VT-MUXA2-1-10/V0/1A

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The VT-MUXA2-1-10/V0/1A is a versatile drive controller designed to operate within an 18–36 V voltage range. Manufactured by Bosch Rexroth Indramat as part of the VT-MSPA Drives series, it features adjustment options like ramp time settings. Additionally, it offers IP20 protection and short-circuit-proof solenoid output stages.

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Product Description:

Bosch Rexroth Indramat makes the VT-MUXA2-1-10/V0/1A. Ripple voltage—the unwanted AC component that rides on a DC supply—is a problem DC-powered systems face due to inadequate rectification. The VT-MUXA2-1-10/V0/1A controller tackles this issue by limiting the maximum residual ripple to 2.5 V peak-to-peak across a wide frequency range of 40 Hz to 400 Hz. That ripple level can skew analog control signals or disrupt PWM switching cycles if not managed. By limiting that ripple size, the controller protects signal integrity and ensures the actuator response remains predictable even in the presence of modest power quality issues. That means it can work with suboptimal power systems without needing extra conditioning components in the power supply infrastructure design. And that reduces the effects of high-frequency interference, too.

One of the key benefits of the VT-MUXA2-1-10/V0/1A is its versatility in signal interfacing. It can handle command values in both voltage (0 to ±10 V) and current (4 to 20 mA) forms. Dual-solenoid topologies give you symmetrical functioning over ±100%, while single-solenoid devices interpret input across a linear range of 0-100%. The high differential input resistance of 200 kΩ for voltage inputs helps keep the burden off upstream signal sources and maintain signal integrity. The integrated 100 Ω load resistance for current inputs ensures the right voltage development for signal processing-you need that for precise industrial analog signal interpretation. The drive controller can be easily integrated into systems using either voltage-based or current-loop signal transmission. That's because of its characteristics, which also make it compatible with a wide variety of industrial sensors and controllers.

The controller's solenoid output stage is designed to withstand peak currents of up to 2.7 A and provide short-circuit protection to avoid damage from wiring errors or actuator failure. PWM output control uses an internal switching frequency that can be adjusted between 95 Hz and 505 Hz. That lets designers customize the actuation response and thermal behavior of solenoids. The device can be installed across large systems without sacrificing power supply or signal timing, thanks to high line impedance. You can install it up to 50 meters away using 1.5 mm² conductors. Designers can fine-tune dynamic response profiles with configuration options like zero-point shift (±10%), command scaling (70-110%), ramp time (0.01-30 s), and step level adjustment (0-50%). Those adjustments help prevent mechanical shock or overshoot in precision systems and support smooth acceleration or deceleration suited to specific machine needs.

Analog input command (1 solenoid)
0–100% via 4–20 mA or 0–10 V
Analog input command (2 solenoids)
0–±100% via 4–20 mA or 0–±10 V
Clock frequency range
95–505 Hz
Command value attenuator
70–110%
Current input load resistance
100 Ω
Differential input resistance
200 kΩ
Free-fall endurance
1 m (original packaging)
Max cable length (1.5 mm²)
50 m
Max solenoid current
2.7 A
Maximum residual ripple
2.5 Vpp @ 40–400 Hz
Operating voltage range
18–36 V (nominal 24 V ±40%/−20%)
Output stages
Short-circuit-proof
Protection class
IP20
Ramp time
0.01–30 s
Step level
0–50%
Zero point calibration
±10%

Frequently Asked Questions about VT-MUXA2-1-10/V0/1A:

Q: What are the input options for command values in the VT-MUXA2-1-10/V0/1A?

A: The drive supports analog input command values for solenoids. For a single solenoid, the range is 0–100% using 4–20 mA or 0–+10 V, while for two solenoids, it supports 0–±100% with 4–20 mA or 0–±10 V, offering flexibility in control.

Q: What is the maximum solenoid current supported by the VT-MUXA2-1-10/V0/1A?

A: The maximum solenoid current supported is 2.7 A, allowing it to handle high-demand solenoid applications with reliability.

Q: Does the VT-MUXA2-1-10/V0/1A have any protection features?

A: Yes, the VT-MUXA2-1-10/V0/1A features IP20 protection, which ensures the unit is shielded against dust and accidental contact with parts. Additionally, it has short-circuit-proof solenoid output stages, adding an extra layer of safety.

Q: What kind of adjustment options are available in the VT-MUXA2-1-10/V0/1A?

A: The drive offers several adjustable parameters, including ramp time (0.01–30 s), zero-point calibration (±10%), command value attenuator (70–110%), and step level (0–50%). These options provide fine-tuned control for various applications.

Q: How is the physical durability of the VT-MUXA2-1-10/V0/1A?

A: The drive has a free-fall endurance of 1 m when in its original packaging, ensuring it can withstand handling and transport. It also features resistance to aggressive media, making it suitable for industrial environments.


Internal Product Review

  • ‘‘The VT-MUXA2-1-10/V0/1A drive controller from Bosch Rexroth Indramat's VT-MSPA Drives series offers a wide operating voltage range, enhancing its adaptability in diverse power environments. Featuring analog input command value options for both single and dual solenoids, it provides flexible control capabilities. Adjustable parameters such as ramp time and zero-point calibration allow for precise system tuning. The inclusion of IP20 protection and short-circuit-proof solenoid output stages contributes to the unit's robustness and reliability in industrial applications.’’

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