VT 11030-12a
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The VT 11030-12a servo amplifier operates at 24 VDC, allowing for a range of 21 to 35 volts. Developed by Bosch Rexroth Indramat as part of their VT Servo Amplifiers series, it consumes approximately 30 VA and weighs only 0.14 kg. It features 12 screw terminals and a clock-pulse frequency of 175 Hz.
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Product Description:
Bosch created the VT 11030-12A Proportional amplifier module for use in controlling analog signals. For precise control in industrial automation, these modules’ output signals are ideal, and they accept analog commands.
The VT 11030-12A proportional amplifier module can accept analogue input signals with a voltage range of ±10 V and runs on a 24 VDC ±10% power source. Depending on the variation, the amplifier can output signals as either a ±10 V voltage or a 4-20 mA current. The amplifier has a reference voltage output of +10 V and can handle voltage output loads as little as 1 kΩ. The current outputs can accommodate loads of up to 500 Ω. Each terminal is allocated a specific function, such as receiving power, grounding signals, providing analog output, or receiving monitor feedback. While the amplifier is running, the front panel's status indicators, labeled I, t, and Power, display the operational status and threshold conditions.
The VT 11030- 12A amplifier module has a feedback port that is probably used for closed-loop control and an output control signal port that is used for driving proportional valves. It performs accurate control operations with a differential analog voltage as the command input. A control amplifier is built into the amplifier to guarantee that the signal is regulated proportionally. The external signal conditioning is supported by the +10 V reference voltage. Incorporating a current limiting function into the control loop ensures the stability and safety of the signal. The voltage output's output load resistance should be more than or equal to 1 kΩ. The maximum allowable output load resistance is 500 Ω. The amplifier may be easily installed on DIN rails and is compatible with a variety of valve systems.
Frequently Asked Questions about VT 11030-12a:
Q: Why does VT 11030-12A have current limiting?
A: VT 11030-12A includes a current limiting circuit that protects output devices and ensures stable signal delivery during varying load conditions.
Q: How does VT 11030-12A control proportional valves?
A: VT 11030-12A delivers a regulated ±10 V output signal that controls proportional valve movement based on the analog input signal.
Q: Why does VT 11030-12A use ±10 V input?
A: VT 11030-12A uses ±10 V input to ensure compatibility with standard analog signal sources and support symmetrical control operations.
Q: Does VT 11030-12A support loop feedback control?
A: Yes, VT 11030-12A includes a feedback output that allows integration with closed-loop systems for regulated process control.
Q: How does VT 11030-12A ensure output stability?
A: VT 11030-12A integrates a control amplifier and reference voltage source that stabilize output signals across the operating range.
