DA 20-30-2515 Volz Servo
DA 20-30-2515 Volz Servo 20 mm, 2o-30 volt; this actuator should only be used when high actuating speeds are needed.
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- Description
- Specifications
Description
DA 20-30-2515 Volz Servo 20 mm, 20-30 volt; the DA 20-30-2515 Volz Servo / actuator should only be used when high actuating speeds are needed (as in the tail rotor of a helicopter) and never in applications associated with high continuous loads (such as in undercarriages or wing brakes in winged aircraft).
Optional: ISS gear protection system; increased actuator travel up to 330°; analog position feedback.
About DA 20 Servos/Actuators
The housings of our DA 20 series are made of CNC-machined aluminum elements with a bottom case part made of fiberglass-reinforced plastic. The aluminum parts are rugged, torsion-resistant and dissipate internal heat. As with all our actuators, the DA 20 also has a steel gear train and is fully programmable using our programming tool (available as an accessory).
About Volz Servos
A servo from Volz excels due to the simplicity of its design while simultaneously maximizing positioning force, reliability and durability. Moreover, a variety of electric interfaces makes it possible, for instance, to monitor the operating condition of the servos by reading out the current consumption, the internal temperature and humidity, etc.
Every actuator compromises a DC motor, a gear train and control electronics governed by microprocessors with integrated position feedback. These are electromechanical servo units that precisely position a radial output drive.
Depending on the type of actuator, the maximum travel in the standard configuration varies between 90° and 170°. Versions with larger travel of up to 330° or “Multiturn” versions can be provided on request.
About Volz
Founded in 1983, Volz Servos began designing, manufacturing and marketing exclusively electro mechanical actuators/servos worldwide. Volz has developed a product range that meets most customer requirements concerning maximized torque, speed, efficiency, reliability, and durability at minimized volume/weight, component and development costs. Volz has a reputation for being experts in the market of compact, highly efficient actuators/servos.
Operating Data
| Supply Voltage (rated) | 28 V DC |
| Supply Voltage Range | 20…30 V DC |
| Standby Current at rated voltage | < 0.01 A |
| Rated Current at rated voltage | 0.3 A |
| Peak Current at rated voltage | 0.6 A |
| Rated Torque at rated voltage | 50 Ncm (71 ozf-in) |
| Peak Torque at rated voltage | 120 Ncm (170 ozf-in) |
| No Load Speed at rated voltage | 520°/s |
| Rated Speed at rated torque | 400°/s |
| Default Travel Angle | ±45° = 90° total travel |
| Max. Standard Travel Angle | ±85° = 170° total travel |
| Extended Travel Angle (optional) | ±165°=330° total travel |
| Backlash (mechanical) | < 0.5° |
| Position Error under Temperature | < ±1.0° |
| Operating Temperature | -30°C … +70°C (-22°F…+158°F) |
| Storage Temperature | -35°C…+80°C (-31°F…+176°F) |
Command Signal
| Signal Voltage Levels | TTL-Level HIGH: min. 2.2V; max 5.0V |
| Signal Voltage Levels | TTL-Level LOW: min 0.0V; max 0.8V |
| Frame Rate | 7…20 ms |
| Valid Pulse Lengths | 0.8…2.2 ms |
| Pulse Length for Position Left/Center/Right | 1.0/1.5/2.0 ms |
| Resolution | <1us |
Material & Protective Features
| Case | Aluminum Plastic Base |
| Splash Water Resistance | IP 51 |
| Case Surface Treatment | not available |
| Salt Water Resistance | not available |
| EMI / RFI Shielding | not available |
| Motor | Brushed DC Motor |
| Gear Set | Hardened Steel |
| Position Sensor | Precision Potentiometer |
| ISS Gear Protection System | Optional |
| Position Feedback | Optional |
| Extended Travel Angle | Optional |
Dimensions
| Case Dimensions | 41.6 mm x 46.1 mm x 20.7 mm ±0.2 mm (1.638 in x 1.815 in x 0.815 in ±0.008in) |
| Weight | 88g (3.1 oz) ±10% |
| ELECTRICAL CONNECTION OPTIONS | DA 20.__.25__._.X._ |
| Standard Connector | Leads length 240mm |
| Manufacturer | |
| Type | Similar to FCI Mini-PV 65039-034LF |
| Mating | Standard PCB-Header 2.54mm (0.1in) Pitch |
| Pin Assignment | |
| Orange | SIG Command Signal |
| Red | +V DC Supply Voltage< |
| Brown | GND Supply Ground / Signal Ground |
| ELECTRICAL CONNECTION OPTIONS | DA 20.__.25__._.P._ |
| Standard Connector | Leads length 240mm |
| Manufacturer | |
| Type | Similar to FCI Mini-PV 65039-034LF |
| Mating | Standard PCB-Header 2.54mm (0.1in) Pitch |
| Pin Assignment | |
| Orange | SIG Command Signal |
| Red | +V DC Supply Voltage |
| Brown | GND Supply Ground / Signal Ground |
| Yellow | Pos FB Position Feedback |
