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ABB’s ACS850 drive module is UL listed up to 600HP.

It features onboard safe-torque-off, a removable memory block, intelligent user interface with a series of assistant wizards, a built-in energy-saving calculator and modular hardware and software.

It also includes an advanced adaptation of ABB’s motor-control platform, Direct Torque Control (DTC).

The ABB industrial drive modules are designed for industrial machinery and applications such as extruders, cranes, mixers, web handling and converting – in the power range 1.5-600HP at 480V AC.

‘The drive is targeted specifically at OEMs, panel builders and system integrators,’ said Thomas Junger, product manager for the ACS850.

‘The 10HP drive is only 4in wide.

The sheer quantity of drives you can fit into a cabinet is going to make the ACS850 a popular product.’ Safety as standard is provided by an integrated Safe Torque Off (STO) feature, which removes the torque from the motor shaft.

This safety feature conforms with the requirements of SIL 3/IEC 61508, Cat 4/EN 954-1, EN ISO 13849-1:PL e.

There also are solutions available for Safe Stop 1(SS1), Safe Limited Speed (SLS), Safe Brake Control (SBC), Safe Speed Monitor (SSM) and Safe Direction (SDI).

A removable memory block increases the flexibility of the drive and enables easy maintenance.

The memory block stores the complete firmware, plus all user settings and motor data.

If the drive is replaced, it can be recommissioned without any special knowledge by plugging the memory block into the new drive.

The memory block allows the application software and parameter configuration changes to be made at an OEM’s own assembly plant before being sent to the end-user site.

The intelligent user interface with advanced assistants decreases the need to refer to manuals, while saving time in commissioning.

The settings can easily be modified, if required.

The startup assistant guides the user through the needed parameters during the drive startup process.

Other features such as short/long parameter menus, I/O mapping and list of latest parameter changes make drive easier to use.

The ACS850 is engineered to work with the latest generation of ABB high-speed serial-interface modules.

Supported protocols include Devicenet, Modbus RTU, Profibus, Canopen, Ethernet/IP and Modbus-TCP.

ACS850 has an automatic energy optimiser that ensures optimum drive efficiency.

An onboard energy-saving calculator monitors energy usage and indicates the amount of energy saved in kW hours, dollars and tons of CO2.

This tool also illustrates the duration curve, showing the load profile of the drive.

The drive’s internal fan features an automatic on/off control, which provides additional energy savings by switching the cooling fan off when the drive is not active.

The same on/off control can control another fan, to cool the cabinet, for example.

The maintenance and diagnostics assistants help keep the process up and running and, in cases of disturbance, minimise the downtime.

The maintenance assistant gives an advance warning of maintenance needs of the drive, motor or related components.

The diagnostics assistant helps in locating the cause of a disturbance, such as overload or over current, and in restoring the process operation.

Enhanced features include: improved performance close to zero speed without an encoder; low motor noise mode; higher output frequency, 500Hz and improved motor identification at standstill.

This provides process control for induction and permanent magnet motors, yielding higher productivity and a high overall efficiency.

These compact drive modules, with protection class IP20 (G frame IP00), are optimised for installation into cabinets.

The smallest module width is only 3.7in.

The modules can be installed side by side, which saves space as more drives can be placed in the same cabinet, allowing smaller cabinets.

The power-cable terminals are located optimally for cabinet assembly, with line connection on the top and motor connection on the bottom up to 60HP.

Removable I/O terminals provide for easy cabling and help save time in installation.

The modularity of the product and a range of options, such as serial adapters, input/output extensions and various encoder interfaces, increase the level of drive customisation.

The large number of standard input/output is sufficient for most applications, but the modular hardware and software design provides OEMs, panel builders and system integrators with the ability to tailor a drive for a specific end-user application by only choosing the options and features required.

Drivestudio 1.5 has setup wizards that speed up parameter configuration during commissioning and help ensure that all the parameters related to the configuration are addressed, saving time and improving quality.

ABB Automation Tech – Drives and Motors

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