Absolute Multi-turn Encoders with Integrated Servo Motors from JVL

JVL Industri Elektronik’s integrated servo MAC400 and MAC800 can now be delivered with built-in absolute multi-turn encoders, with a multi-turn resolution of +/-2048 whole turns, and a single-turn resolution of either 8000 or 8192 (software-selectable) with option for higher resolutions.

Motors equipped with absolute encoders will remember their positions while powered off, thus typically eliminating a zero search operation on start up. The position is stored mechanically using toothed wheels, so there will not be any of the problems with batteries that run down, or memories that loose information, that many other systems have.

The full absolute encoder position is available at all times for use by a PLC over any of the serial or fieldbus interfaces and can be used freely in a program.

JVL International
www.jvlusa.com

High-speed MODBUS with Integrated Servo Motors from JVL

JVL Industri Elektronik A/S now offers yet another feature: The latest firmware for the integrated servo motors MAC400 and MAC800 now supports the MODBUS RTU protocol.

The implementation supports the Read Holding Registers and Write Multiple Registers commands, which will give R/W access to all motor registers at speeds up to 1 Mbit/s, though typically the PC standard rates of 9600..115200 and 230400 bits/s would be used.

The implementation uses the original V1.1 version of the MODBUS protocol for maximum compatibility. For systems requiring a 2-wire RS-485, the MAC00-P4 interface module is used. For 4-wire RS-422, the MAC00-FSx modules or one of the MAC00-Bx modules are used.

MODBUS is generally considered the most widely used serial communications protocol in the industry.

JVL International
www.jvlusa.com

New Option Module for MAC Servo Motors

The MAC00-B41 is a new module intended to be used for the integrated MAC servo motors type MAC400 and MAC800.

The module offers the following extended I/O functions :

- 6 digital I/O (24V tolerant)
- 2 analogue 12 bit inputs
- 2 multi function RS422 channels
- Dual supply feature for safe motor stop
- Galvanically isolated RS232 and RS485
- New simple and robust internal connector
- M12 industrial connectors for simple and safe connection

The module is primarily intended for dispenser applications where a very fast motor start and stop function is needed. The start and stop jitter is les tha 50µs and syncronization with an external encoder is possible.

In addition the module contains a galvanically isolated RS232 and RS485 interface to be used for setup and diagnosis or permanent connection in a network.

Later this year additional software features are planned, such as fully programmable PLC with high speed I/O´s.

JVL International
www.jvlusa.com

Stepper Motor Controller from JVL

JVL presents a step motor controller with RS485 and CANbus serial interface. 8 IO´s can be configured as inputs, outputs, or analogue input that can be controlled via a nanoPLC and MacTalk graphic programming. The very compact 57x57mm PCB contains everything required to solve a modern control task either as a stand-alone controller or controlled from a PLC or PC via serial commands or IO. MODBUS RTU and CANopen give the possibility for easy and fast connection to a PLC. For PC or IPC an ActiveX/OCX driver is available for simple interfacing to LABview, Excel, VB or other Windows programs. The SMC75 uses the same protocol as the MAC motors and can therefore be connected to the same RS485 bus system.

The PCB can be built into a separate instrument or mounted directly on the back of the motor thus providing a cost-effective solution. Alternatively it can be delivered by JVL in a box with cables or M12 connectors, for mounting in a bottom plate or DIN rails.

JVL International
www.jvlusa.com

QuickStep Motors from JVL

JVL has now launched its newest product: ‘QuickStep’ — the integrated step motor. QuickStep will be available in 2 models. The first to reach the market is a model with pulse and direction inputs. The second model will have a position controller with a serial interface, 8 IO´s, and an optional encoder and CANbus interface.

In the past decade, pulse/direction interfaces have become increasingly popular for the control of step and servo motors. This is due to the fact that pulse/direction signals provide a simple and reliable interface which is 100% digital, precise, and offers immediate response. When a pulse is sent, the motor instantaneously moves 1 step forward. For example, if the motor has a resolution of 200 steps/revolution, it will move 1.8 degrees. By changing the frequency of the applied pulse signal, it is possible to accelerate the motor. By counting the number of pulses, the motor’s position can be determined without any error whatsoever. The direction input is used to determine the motor’s direction of rotation.

All the required electronics are integrated in the motor itself in a single compact unit. The motor can be supplied with the connector either on the back or side of the housing. Either a M12 connector, screw terminal or DSUB connector can be supplied. The QuickStep motors, cables and planetary gears can be supplied from stock.

JVL
www.jvlusa.com

400W MAC400 Integrated AC Servo Motor

A unique feature on the market for integrated servo drivers is the JVL MAC400 motor’s provision of both 3 x nominal torque at peak torque and full peak torque at all speeds.

This means that the power of the motor can be fully utilized. Equally important is the fact that in the majority of applications a smaller motor rating can be used, since peak torque is normally only required during acceleration or braking (deceleration).And this means it is possible to achieve more compact machinery at lower prices.JVL has had these 2 characteristics as key parameters throughout the development of the entire range of MAC Integrated Servo Motors — and triple-torque with flat torque characteristics therefore also applies to the MAC050…141 and MAC800 motors.

MAC400 thus delivers 1.2kW peak, while MAC800 delivers 2.2kW peak.Given these characteristics, it is quite remarkable that JVL’s R&D department achieved this performance without the use of a cooling fan, using only cooling fins. After the extensive development work, JVL now expects to have the MAC400 UL recognized. Already now the MAC400 is UL pending.

www.jvlusa.com

Watertight Integrated AC Servo Motors

JVL’s large MAC800 motor (750W) is now available in a model that offers IP65 protection. This makes the MAC800 well-suited for applications in more demanding environments common in the food processing industries.

The IP65 protection of the motor has been achieved by replacing the ventilator built into the cooling fins with large fins. In addition, a water-tight seal of the axle bearing has been achieved using an IP67 Rulon® Teflon bush. This has very low friction and requires no lubrication. The flange and shaft are made of stainless steel. Note that the expansion module used must also fulfil IP65 requirements. The motor in the picture is furthermore equipped with a brake.

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Integrated AC Servo Motor

In recent years, integrated brushless servo motors from JVL have achieved a very high reputation throughout the world for their ingenious design. The existing range of 50 to 141W and 800W motors has now been supplemented with the introduction of a mid-range 400W model offering 1.3 Nm up to 3000rpm and shortly up to 1200W for highly dynamic applications.

All of these motors are small, compact, and easy to install and set up. The driver, controller, encoder and Hall sensor are all integrated within the motor in a robust, splash-proof housing. The basic motors offer the following standard features:

•Operating commands from PC/PLC via RS232/422/485
•Pulse/Direction or quadrature inputs for electronic gearing
•A+B encoder output
•Velocity and torque control, either controlled digitally or via ±12bit, ±10V inputs
•Positioning via digital interface
•Software-controlled end-of-travel stops
•Selection of acceleration, maximum velocity, torque, etc.
•6th-order servo filter
•Sine commutation with 2048 PPR encoder. (8196 pulses/revolution.)
•Alarm and ”in position” outputs
•3 inputs and 3 outputs for High Speed start/stop and capture applications
•Internal Power Dump

The new MAC400 provides the same features as the larger MAC800 model and in addition offers:

•Absolute multiturn encoder (Q2 2009)
•Prepared for PowerLink; EtherCAT; Ethernet/IP; ProfiNet and SERCOS
•Even lower cost due to newest technology and production techniques
•Improved 2-channel power dump circuit
•2 RS422 channels for encoder in/output and SSI encoder, etc.
•6 IO for capture of position; interrupt, counters, enable, timer and PLC functions
•High-speed serial interface
•Plugable power connectors
•Natural cooling, no fan

The new MAC400 model has been developed because of customer requests for a mid-range solution in the highly successful MAC series. The MAC400 fully lives up to the strict requirements JVL put on all the MAC motors regarding performance, versatility and reliability.

www.jvlusa.com

CANopen Module for Integrated AC Servo Motors

JVL Industri Elektronik A/S, a Danish company, now represented in Ohio, USA, announces a new expansion, CANopen, module for their MAC, Integrated AC Servo motors. The CAN module offers control and setup, logic I/O for high speed start/stop, CANbus/CANopen DS 301 and CANopen DSP 402 and DeviceNet under development.

The module can be delivered with integrated cable with watertight connections for use in harsh environments or be delivered with M12 connectors. The modular built-up of the JVL Integrated MAC motors makes them extremely versatile for very many applications.

The MAC motor is an AC servo motor and controller combined in a single unit, offering previously unseen low pricing for the OEM market. Integrating electronics in a motor has been achieved previously, but never in such a compact unit with true AC servo performance. In the MAC motor, the servo motor, hall sensors, encoder and control circuitry have been especially designed by JVL to provide a self-contained, integrated unit in which the driver and controller are mounted behind the motor in a sealed housing.

System intelligence is thereby decentralized by off-loading control functions to the device level. This makes the MAC motor well suited for distributed control architectures which are prevalent in factory automation processes today.

The MAC motor is available in 5 models: 50, 95 ,140W and 400 and 750W. Motor parameters are set-up via an RS232 port using Windows software MacTalk.

http://www.jvlusa.com

Bluetooth Module for JVL MAC Motors

JVL now introduce the first wireless integrated servo motor. Module MAC00-FB4 facilitates wireless control of the MAC motors, giving total freedom from cables.

The new module makes it possible to have a direct BlueTooth connection to the motor. Via the BlueTooth link, the motor can be set up and controlled with the same possibilities offered by a serial connection. Functionality is exactly as with the nano PLC module but instead of the serial connector, the FB4 module is equipped with an antenna. The module can be programmed via JVL’s MacTalk software. Control is typically done from a mobile phone or a PC. On a PC, MacTalk can be used directly. Commands or programs can be sent from your own program. In addition, the module offers the possibility for connection of a local zero-set sensor. Connection of supply and signals takes place through 3 robust M12 connectors.

The module has a standard antenna plug connection, to which the included antenna is connected. Other antennae can be connected if required.

Applications:
• Positioning of axes.
• Supervising motor.
• Parameter setup.

Function:
• The solution provides full access to all functions and registers in the MAC motor.
• Connection of up to 7 modules.
• Baud rates of 19200.
• Wireless control of the motor.
• 8 In- and 4 Outputs.
• Programmable via wireless control using MacTalk.

www.jvlusa.com