DA 30-30-5224 Volz Servo

Description

DA 30-30-5224 Volz Servo guarantees maximum safety and reliability. The DA 30 features a brushless motor and a contactless wear free position sensor. This means maximum service life with the greatest‐possible power delivery and its design prevents electromagnetic emissions (EMI) caused by brush sparking. The housing made of saltwater‐resistant aluminum is HART‐coat treated, meets the IP‐67 standard for water and dust sealing and provides an integrated Sub‐D connector (MIL spec. circular connector or cable gland on request). Brackets integrated in the housing for horizontal and vertical assembly. 8‐fold, ball‐bearing supported, steel gear train, drive shaft with ANSI multi‐tooth. To guarantee maximum safety and reliability, our

DA 30-30-5224 Volz Servo features a brushless motor and a contactless wear free position sensor. This means maximum service life with the greatest‐possible power delivery and its design prevents electromagnetic emissions (EMI) caused by brush sparking. The housing made of saltwater‐resistant aluminum is HART‐coat treated, meets the IP‐67 standard for water and dust sealing and provides an integrated Sub‐D connector (MIL spec. circular connector or cable gland on request). Brackets integrated in the housing for horizontal and vertical assembly. 8‐fold, ball‐bearing supported, steel gear train, drive shaft with ANSI multi‐tooth.

The DA 30 series can be equipped with a standard PWM input (Pulse Width Modulation) that has two different interfaces: a differential, galvanic isolated interface (Opto‐Coupler) and a single‐ended interface with CMOS levels that is also used to program the servo parameters. It includes analog position feedback to detect the drive shaft position. A differential RS‐422 PWM interface can be chosen instead of the opto‐coupled interface.

DA 30 with digital serial command interface (RS‐485) receives its commands via a CRC secured protocol. It can return not only the shaft position in digital format, but also several diagnostic data such as the level of the supply voltage, current consumption and the temperature of the motor and electronics in digital form (optionally also the humidity within the actuator case). These kind of diagnostic capabilities help to determine the health state of the actuators before, during and after deployment.

 

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 Servo 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	24…32 V DC
Standby Current at rated voltage	Rated Current at rated voltage 1.3 A
Peak Current at rated voltage	2.6 A
Rated Torque at rated speed	80Nm (70.8 lbf-in)
Peak Torque at rated voltage	16.0 Nm (141.6 lbf-in)
No Load Speed at rated voltage	230°/s
Rated Speed at rated torque	150°/s
Default Travel Angle	±45° = 90° total travel
Max. Standard Travel Angle	±50° = 100° total travel
Extended Travel Angle (optional)	±85°=170° total travel
Backlash (mechanical)	0.5°
Position Error under Temperature	≤±1.0°
Operating Temperature Range	-30°C … +70°C (-22°F…+158°F)
Storage Temperature	-55°C…+85°C (-67°F…+185°F)

 

Command Signal

Signal Voltage	TTL-Level HIGH: min. 3.5V; max 5.5V
	TTL-Level LOW: min 0.0V; max 1.5V
Frame Rate	2.6…2000 ms
Valid Pulse Lengths	0.9…2.1 ms
Pulse Length for Position Left/Center/Right	1.0/1.5/2.0 ms
Resolution	≤1.0us

 

RS 485 COMMAND SIGNAL	Valid for all versions with RS 485 Command Signal
RS 485	RS 485 Redundant
Baud-Rate	115200±1.5% bits/s
Protocol (documentation available)	6 Byte (incl. 2 byte CRC)

 

RS 485 Protocol Specifications

RS 485	RS 485 Redundant
Number of Data Bits	8
Number of Stop Bits	1 or 2
Parity	None

 

Command / Response Frame

Byte #	Description
1	Command / Response-Code
2	Actuator ID
3	Argument 1
4	Argument 2
5	CRC High Byte
6	CRC Low Byte

 

Material & Protective Features

Case Material	Saltwater resistant Aluminum Alloy
Splash Water Resistance	IP 67 waterproof to 1m depth
Case Surface Treatment	HART-Coat
Salt Water Resistance	>100hr. Salt Water Spray
	Standard – Case Material
EMI / RFI Shielding	Case Shielding
Motor Type	Brushed DC Motor
Gear Set Material	Hardened Steel
Position Sensor	Contactless
Position Feedback	Standard
RS 485 Communication Interface	Optional
Humidity Sensor	Optional
Temperature Sensor	Standard – Motor and PCB

 

Dimensions

Case Dimensions	114.6 mm x 67.5 mm x 30.0 mm ±0.2 mm (4.512 in x 2.658 in x 1.181 in ±0.008in)
Weight	640g (22.6 oz) ±10%

 

 

ELECTRICAL CONNECTION OPTIONS	DA 30.30.5224.1_
Standard Connector
Manufacturer	ITT Cannon
Type	DEMM-9PE
Mating	D-SUB DE-9f

 

PWM-OPTO Pin Assignment

1	PWM (AO)	Command Signal – Anode Optocoupler
2	PWM (CO)	Command Signal – Cathode Optocoupler
3	Diff FB A	Differential Position Feedback Signal – Output A
4	to Pin 7	Connect to pin 7 (Supply Ground)
5	Case GND	Case Ground
6	+V DC	Supply Voltage
7	GND	Supply Ground – Signal Ground
8	Pos FB	Single Ended Position Feedback Signal
9	Diff FB B	Differential Position Feedback – Output B
RS 485 Pin Assignment
1	NC	Do not connect
2	NC	Do not connect
3	Diff FB A	Differential Position Feedback Signal – Output A
4	PWM	Command Signal
5	Case GND	Case Ground
6	+V DC	Supply Voltage
7	GND	Supply Ground – Signal Ground
8	Pos FB	Signal Ended Position Feedback Signal
9	Diff FB B	Differential Position Feedback Signal – Output B

 

Integrated Connector

PWM-RS 422/TTL Pin Assignment
1	RS 422/PWM	Non-inverted RS 422-input
2	RS 422/PWM	Inverted RS 422-Input
3	Diff FB A	Position Feedback Signal – Output A
4	TTL/PWM	Command and Parameter Input
5	Case GND	Case Ground
6	+V DC	Supply Voltage
7	GND	Supply Ground – Signal Ground
8	Pos FB	Single Ended Position Feedback Signal
9	Diff FB B	Differential Position Feedback Signal – Output B

 

Rs 485 Interface (2-Wire) DA 30.30.5224.3…

RS 485 (2-Wire) Pin Assignment
1	RS 485 A	Non-Inverted Input/Output
2	RS 485 B	Inverted Input/Output
3	–	Do not connect
4	+V DC (2)	Supply Voltage – Secondary
5	Case GND	Case Ground
6	+V DC (1)	Supply Voltage – Primary
7	GND (1)	Supply Ground – Signal Ground – Primary
8	GND (2)	Supply Ground – Signal Ground – Secondary
9	–	Do not connect

 

RS 485 Redundant Pin Assignment DA 30.30.5224.4…

1	RS 485 A (1)	Interface 1 – Non-inverted Input/Output
2	RS 485 B (2)	Interface 1 – Inverted Input/Output
3	RS 485 A (2)	Interface 2 – Non-inverted Input/Output
4	+V DC (2)	Supply Voltage – Secondary
5	Case GND	Case Ground
6	+V DC (1)	Supply Voltage – Primary
7	GND (1)	Supply Ground – Signal Ground – Primary
8	GND (2)	Supply Ground – Signal Ground – Secondary
9	RS 485 B (2)	Interface 2 – Inverted Input/Output

 

RS 485 Interface (4-Wire) DA 30.30.5224.5…

1	RS 485 A (Rx)	Receiver – Non-inverted – Input
2	RS 485 B (Rx)	Receiver – Inverted – Input
3	RS 485 A (Tx)	Transmitter – Non-inverted – Output
4	+V DC (2)	Supply Voltage – Secondary
5	Case GND	Case Ground
6	+V DC (1)	Supply Voltage – Primary
7	GND (1)	Supply Ground – Signal Ground – Primary
8	GND (2)	Supply Ground – Signal Ground – Secondary
9	RS 485 B (Tx)	Transmitter – Inverted – Output