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Controller winds up under tension

A Motion Drives and Controls product story
Edited by the Engineeringtalk editorial team Nov 1, 2006

The Magpowr Spyder provides cost-effective tension control for brakes, clutches or drives in unwind, rewind and point-to-point applications.

Available exclusively in the UK from Warwick based Motion Drives and Controls, the Magpowr Spyder provides cost-effective tension control for brakes, clutches or drives in unwind, rewind and point-to-point applications.

Now available for both dancer and load cell applications, the compact 35mm DIN rail mounted unit is ideal for cabinet mounting and includes parameter based setup via a user friendly keypad and display or Ethernet connectivity for web browser or HMI installation.

Aimed at applications where tension control parameters are infrequently changed, the Spyder delivers an advanced PID algorithm that allows processing equipment designers the security to fit and forget this intrinsic part of the machine with minimal cost.

With simple tuning, adjustable taper tension and security lockout the Spyder provides consistent and precise web tension control without specialist training.

With a compact volume of less than 160 x 60 x 90mm, the IP20 rated Spyder will mount neatly in a control cabinet, Supply requirements are 24V DC at 250mA and inputs include load cell (+/-5V DC), dancer position (1 to 10kohm) with tension setpoint, manual setpoint, E-stop, run/stop, tension off and auto/manual.

Outputs available cover torque (0 to 10VC, 4 to 20mA and -10 to +10V DC) and tension meter (0 to 1mA or 0 to +10V DC analogue).

A user friendly membrane keypad and a 2-line LCD are used for parameter based set-up or an Ethernet communications interface covers TCP/IP web server and FTP client with html web browser file format.

The Spyder may be used as a stand-alone tension control solution as a retrofit to existing machinery or as part of a complete solution with Magpowr's extensive range of web tension and torque control products including magnetic particle clutch and brake units, pneumatic double disk brakes, load cells, current to pressure transducers, dancer/follower arm position sensors and specialist power supplies.

The range also includes more advanced solutions for tension and dancer/follower arm control.

Applications range from simple open-loop unwind to fully integrated closed-loop tension control systems with clutches and brakes available in a variety of mounting configurations.

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