VT 11004-11
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The VT 11004-11 analog amplifier module controls proportional pressure-reducing valves with a 0 to ±10V DC input. It supports a solenoid current output of up to 1000 mA and operates at 24V DC.
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Product Description:
Bosch Rexroth Indramat made the VT 11004-11, an analog amplifier module that can be used to handle proportional pressure-reducing valves without electrical position feedback. In industrial automation, this module is used frequently, and it is a part of the 1X line.
The VT 11004-11 analog amplifier module works with a 24V DC power source that can handle voltages between 21V and 35V with a tolerance range of +40% to 10%. It can handle up to 25 VA of power and 1.2 A of current. The module has electrical short-circuit protection for solenoids. The command value input can handle differential data from 0V DC to ±10V DC and has an input impedance of 20 kΩ. The output for the solenoid can handle up to 1000 mA (1A), and it works with a solenoid with a range of +/- 15%. The module also has a signal switching output with a voltage range of 0V to +6V and an output resistance of around 10 kΩ. There are LED signs that show whether solenoids A and B are on or off. It measures 40 x 79 x 85.5 mm, weighs 0.16 kg, and is mounted on a TH 35-7.5 carrier rail, as required by EN 60715 standards.
When it comes to temperature, the VT 11004-11 analog amplifier can work in temperatures from 0°C to +50°C and be kept in temperatures from -25°C to +70°C. It is protected against reverse polarity and short-circuiting to ensure its longevity and safety. The module is made to meet the protection class IP20 requirements of EN 60529. This analog amplifier makes sure that the proportional valve uses work at their best with its strong features and accurate control options.
Frequently Asked Questions about VT 11004-11:
Q: Why does VT 11004-11 use a 0 to ±10V DC input?
A: The 0 to ±10V DC input allows precise control of proportional valves. It ensures accurate pressure regulation with a differential input reference potential of 0V.
Q: Does VT 11004-11 support reverse polarity protection?
A: Yes, the VT 11004-11 includes reverse polarity protection. This feature safeguards the module from damage due to incorrect power connections.
Q: How does VT 11004-11 handle short-circuit protection?
A: The VT 11004-11 uses electronic short-circuit monitoring for solenoids. This ensures safe operation by preventing damage from excessive current flow.
Q: Why is the solenoid current output 1000 mA in VT 11004-11?
A: The 1000 mA output is designed to drive proportional valves effectively. It supports solenoid resistances of 12Ω at 20°C for optimal performance.
Q: Does VT 11004-11 operate at 24V DC only?
A: The VT 11004-11 operates at 24V DC with a tolerance of +40% to 10%. It can handle voltages between 21V and 35V.
