DC drive controller

2 March 2011 Power Electronics / Power Management

In addition to WAGO’s standard DC drive controller for positioning 24 V d.c. motors with collectors, two 750-636 I/O modules are now available; one for an extended temperature range and one for use in isolated safety functions.

The ‘T’ version in the 750-636 I/O series can be used in a temperature range between -20°C and + 60°C. This allows it to be employed for applications in specialty and special-purpose vehicles and environments in which air conditioning and heating are difficult to implement. The ‘R’ non-interacting modules have no active influence on down-circuit safety functions. Using these modules, actuator assemblies can be deactivated using centralised safety switching devices. The I/O modules, even in the event of a fault in the module, reliably prevent harmful effects on the safety functions.

All versions are single-channel modules that supply a rated motor current of 5 A. An incremental sensor interface allows acquisition of the actual values using both 5 V and 24 V sensors. Three 24 V inputs detect the limit switches and a preset signal. Typical uses of the DC drive controller include setting limit stops and roller pressure, as well as for operation of transport carriages and dosing units.

For more information contact Shorrock Automation, +27 (0)12 345 4449, [email protected], www.shorrock.co.za

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