Ideal solution for high-precision operation
Latest integrated drive technology for vacuum capacitors at best price-performance ratio.
Motorized capacitors are the ideal solution for high-precision operation. Besides ensuring highest accuracy, motorized capacitors simplify procurement with an easy-to-install subsystem. The core components of Universal Integrated Drive systems are a Comet variable Vacuum Capacitor, mounted with an insulating cover, coupler and stepper-motor. A durable, backlash-free Comet-coupler connects the capacitor to the drive system.
Integrated flanges ensure easy mounting in the system. Appropriate high-voltage insulation between the capacitor and the flanges is also included.
High-level commands
The module can be controlled from a PC or a control board using high-level commands (RS232, RS485 for Universal ID). The communication protocol allows the execution of the following commands.
- Precise motion control by setting full-step, micro-step or capacitance position
- Set idle and drive current, speed and slave address within allowed range
- Read out of actual full-step, micro-step and capacitance position
- Read out of characteristic capacitance curve (C-Curve)
- Read out of various parameters such as firmware version, serial number and all customer and factory limits
- Comprehensive RX responses (ACK, NAK):
– ACK for all commands
– ACK for «movement-started» resp. «movement completed»
– NAK e.g. check-sum error, index out of range - Baud rate can be set within 9.600 to 115.200 Bd
- Set user limits (Cmin and Cmax) within factory limits
- Store up to 10 user selectable positions
Capacitor tuning
Using a stepper-motor, the capacitance of the variable capacitor can be tuned precisely between user selectable limits.
Flyer
Integrated Drive Vacuum Capacitors
Universal ID
Integrated drive solution
Features
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One driver PCB for new Integrated Drives (ID-400 and ID-1200)
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Same communication Comet protocol RS232 and RS485
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Flexible baud rate between 9.600 and 115.200 Bd
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Connect up to 32 modules in RS485 mode
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Readout of full-step, micro-step and capacitance position
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Capacitance table with higher resolution on request
Benefits
- Accurate alignment of variable Vacuum Capacitor and stepper-motor and a durable, backlash-free coupling result in long, consistent lifetime
- Assembled solution for easy installation for higher system uptime and productivity
- Highly accurate repeatability of capacitance positions
- Increased capacitance resolution (position control) to 0.01 pF
- Lower total cost of ownership
Technical Specifications
Capacitance Cmax range | 100 - 2000 pF |
Upt range |
3 - 25 kV |
max. current IRMS at 13.56 MHz |
72 - 170 ARMS |
Diameter |
55 - 117 mm |
Height |
230 - 280 mm |
Cooling system |
Convection |
RoHS conform |
Yes |
Supply voltage |
+24 VDC |
Supply current | Ip < 1.1 A (ID-400) Ip < 2.8 A (ID-1200) |
Full-step angle | 1.8 ° |
Motor speed |
up to 600 rpm |
Micro-stepping | 16 micro-steps |
Operating temperature | +5 – +50 °C |
Available interfaces | RS232, RS485 |
Address range (RS485) | 0 x 21 – 0 x 40 |
Baud rate | 9.600 – 115.200 Bd |
Applications
- Semiconductor
- Flat Panel Display
- Solar
- MEMS
Two sizes of integrated drive systems are available for different capacitor series. Here our recommendations:
Questions?
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