Tuesday, November 30, 2010

Modular control system with additional CAN interface

The robustricosTP control and I/O system from Wieland Electric now comes with an additional CAN bus coupler and thus an additional CAN interface.

The robustricosTP control and I/O system from Wieland Electric now comes with an additional CAN bus coupler and thus an additional CAN interface. This is, for example, required for connecting sub-systems to the central control system via the existing CAN bus in automation solutions for mobile applications. With only one CAN interface, it is not possible to connect additional distributed I/Os via the CAN bus, as the only CAN interface is already in use.

ThericosTP CANopen IF module now provides the user with an additional CAN interface. If it is needed, the bus coupler can simply be plugged in next to the PLC module, which then takes over the control functions. The system can be expanded with additional digital and analog inputs and outputs via the integrated CANopen For the trade press SPS/IPC/DRIVES 2010 November, 23– 25, 2010 Key word:ricosTP modular automation system with additional CAN interface module 2 Press Release: 2010-11-265 master. Connection to a higher-level system is carried out directly via the bus coupler.

This type of system is mainly used in railway technology and outdoor applications, as well as in the manufacture of large vehicles and utility vehicles. Just like thericosTP modular automation system, the interface module meets the requirements of Germanischer Lloyd (GL) Category C, and of the standard for railway applications (according to EN 50155). It is specifically designed for applications in harsh environments and a temperature range of -40 to +70°C, and provides a high interference immunity of 20 V/m (according to EN 50121).

CAN bus: The CAN bus (Controller Area Network) is an ISO-standard, realtime- capable field bus for serial data transmission in automotive, automation and production engineering applications. The CAN bus system is a 2-wire bus with open architecture for serial communication. CAN protocols are now well-established in various, mostly safety-relevant sectors, where a high degree of data integrity is essential. CANopen is a special CAN-based communication protocol which is mainly used in automation technology, in particular in embedded systems.


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Monday, November 29, 2010

Single-phase power supplies for 5, 12 and 24 V DC

Wieland Electric’s wipos PB1 single-phase power supplies are now available with output voltages of 5, 12 and 24 V DC. This means that the power supply units are now not only available in the standard version (24 V DC) but also as special versions, which are required in particular for control voltages in buildingtechnology and industrial applications.

Wieland Electric’s wipos PB1 single-phase power supplies are now available with output voltages of 5, 12 and 24 V DC. This means that the power supply units are now not only available in the standard version (24 V DC) but also as special versions, which are required in particular for control voltages in buildingtechnology and industrial applications. This power supply series is designed for confined spaces and is mainly used in small distribution boards, shunting distributors and for special industrial control cabinet applications with a low installation height.

The 24 V DC version of the switching power supply is available for 0.42, 1, 1.5, 2.5 and 4.2 A, the 12 V DC version for 0.83, 2, 2.75 and 4.5 A, and the 5 V DC version for 1.5 and 3 A. They are mounted on DIN rails. The compact AC/DC power supply units For the trade press SPS/IPC/DRIVES 2010 November, 23– 25, 2010 Key word: wipos PB1 AC/DC converters 2 Press Release: 2010-11-271 supply 100% output at ambient temperatures of up to 60°C. They can be used in a wide temperature range between -25 and 70°C and therefore also in outdoor areas. Other features are: Long holdup times of>60 ms, compensation of voltage drops through adjustable output voltage, and a wide-range voltage input for worldwide use. The LED diagnosis enables easy commissioning. The power supply series meets all important standards and has the required approvals, including those for UL and CE.


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Sunday, November 28, 2010

Soft starter for conveyor systems

Wieland Electric’spodis®MSS 3I/W1.5 motor soft starter with reversing function was developed for soft starting and stopping of asynchronous standard motors. It can be implemented remotely or near the motor with an output of 0.09 kW to 1.5 kW.

Wieland Electric’spodis®MSS 3I/W1.5 motor soft starter with reversing function was developed for soft starting and stopping of asynchronous standard motors. It can be implemented remotely or near the motor with an output of 0.09 kW to 1.5 kW. The soft starter is part of the provenpodis®power bus system, which consists of an uncut flat cable power bus and various plug-in function modules and is implemented, for example, in conveyor systems and systems that are distributed over a large area.

Soft starting and stopping of a motor is needed in order to minimize the risk of goods being transported slipping or toppling over when the motor accelerates. Soft starting also makes sense as a way of limiting the torque to which the drive shaft and other transmission elements (e.g. gearboxes) are exposed, thus protecting them from mechanical overstressing. The ramp-up time, the ramp-down time For the trade press SPS/IPC/DRIVES 2010 November, 23– 25, 2010 Key word: Motor soft starterpodis®MSS 2 Press Release: 2010-11-267 and the breakaway torque can be adjusted continuously on the motor soft starter. It is controlled and parameterized via ASInterface. The motor starter is plugged directly into thepodis®CON flat cable outgoing feeder and is thus supplied with 400 V line voltage. It is universally pluggable. The motor and up to three sensors can be connected quickly without faults using RST round plug connectors or M12 plug connectors. The soft starter is equipped with electronic motor protection, which protects the motor from overloading. Various messages, such as"Ready for operation",“Motor overload” and “Sensor input status” are displayed via LEDs. These messages are forwarded to the higher-level controls.


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Saturday, November 27, 2010

Safe interconnection of complex machines and systems

Machines and systems can be easily interconnected withsamos®PRO from Wieland Electric– currently the smallest modular safety control on the automation market – and the dedicated bus systemsamos®NET. This is in high demand for distributed systems, e.g. in intralogistics and packaging engineering, and also for robot cells.

Machines and systems can be easily interconnected withsamos®PRO from Wieland Electric– currently the smallest modular safety control on the automation market – and the dedicated bus systemsamos®NET. This is in high demand for distributed systems, e.g. in intralogistics and packaging engineering, and also for robot cells.

Complex automation solutions are often designed in a modular way and distributed over a large area. With the safety functions controlled by various distributed safety controls, consistent communication has thus far only been possible via non-safe field buses or via Industrial Ethernet. Safe signals can now be safely For the trade press SPS/IPC/DRIVES 2010 November, 23– 25, 2010 Key word: Safe interconnection of machines and systems withsamos®NET 2 Press Release: 2010-11-264 transmitted, processed and evaluated within a machine network via thesamos®NET bus system. The network can have a length of up to 100 meters. The additional time-consuming wiring of safety sensors to a central safety control is no longer necessary. Up to four completesamos®PRO systems can be safely interconnected with thesamos®NET bus system, i.e. a total of 384 safe inputs and 192 safe outputs is available. The interconnected devices exchange safety-relevant signals directly and without additional modules. For safe interconnection, the user only needs to install the new SP-SCON-NET controller in thesamos®PRO control.The safe bus system enables parallel configuration and commissioning of different system parts. This reduces processing times and operational downtimes and leads to increased productivity.

Configuration and diagnosis ofsamos®NET projects is carried out centrally via one of the interconnectedsamos®PRO systems using thesamos®PLAN programming tool (release V1.3). In addition,samos®PLAN V1.3 also offers many new safe function modules which supplement the wide variety already on offer. All known and established functions such as hardware configuration, logic editor, offline simulation, online diagnosis and forcing functions are still available. The modularsamos®PRO safety control already offers a wide range of gateways which can be used to integrate the system into the Profibus-DP, Profinet IO, Ethernet/IP, Modbus/TCP and CANopen field bus systems / Ethernet networks. Further gateways will soon follow. The gateways can transmit more then 50 Bytes of system data bi-directionally between a PLC or HMI and thesamos®PRO safety control, and thus ensure extremely fast and comprehensive diagnosis and visualization of control data. Thesamos®PRO gateways are of course configured and integrated into the corresponding networks usingsamos®PLAN, 3 Press Release: 2010-11-264 and it is possible to simultaneously use two different gateways in one system without any problems.

samos®PRO modular safety controls interconnected viasamos®NET meet the requirements for SIL 3 according to IEC 61508, SILCL 3 according to EN 62061 and PL e (Category 4) according to EN ISO 13849-1.


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Friday, November 26, 2010

Efficient installation and optimum illumination of wind power plant towers

For safety reasons, wind power plant towers must be fully and safely illuminated. In the past, fluorescent lamps with emergency light function were used for this purpose.

For safety reasons, wind power plant towers must be fully and safely illuminated. In the past, fluorescent lamps with emergency light function were used for this purpose. However, their relatively short maintenance intervals and short service life are a major disadvantage. Standard installation in the tower is also laborintensive and time-consuming. Wieland Electric’s provenpodis®®power bus system with the new high-powerpodis®LED lamps is a much more efficient solution. Installation, maintenance and operation are easier and safer, as well as being less costly and time-consuming.

Thepodis®installation solution for wind power plants consists of the uncut flat cable power bus and various function modules (e.g. For the trade press SPS/IPC/DRIVES 2010 November, 23– 25, 2010 Key word: LED lighting for the towers of wind power plants 2 Press Release: 2010-11-266 sockets and LEDs) for direct plug-in. A homogenous illumination of the tower is important. The light distribution is therefore specifically designed for the cylindrical form of the tower in order toensure optimum illumination of the tower stairwell without interfering, dazzling effects.

LEDs with a ten-times longer service life compared to fluorescent lights are used to illuminate the tower. They are not subject to maintenance intervals, and the LEDs immediately switch to full light output even at low temperatures. In the robustpodis®housings with degree of protection IP 65, the LEDs are suitable for use in harsh ambient conditions. The LEDs are designed for extreme ambient temperatures of -40°C to +70°C, and can be used in CCV (Cold Climate Version) and HCV (Hot Climate Version) temperature ranges. With their operating voltage of 24 V DC and their low power consumption of 5 W per LED, it is possible to implement a maintenance-friendly emergency lighting solution with a central supplyaccording to DIN EN60598-22 in an economically viable way. This central solution facilitates the necessary replacement of the buffer battery while saving time and costs. Even in towers with a height above 100 meters, voltage drops pose no problem thanks to the wide input voltage range of 15 to 30 VDC with full light output.

Reliable operation is ensured even in the event of an error. Thanks to the short-circuit and overload protection integrated into every single lamp, errors do not spread and are easily located. The compact LED lamps can be replaced without the use of tools and without switching off the rest of the tower lighting.


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