PLCs, DCSs & Controllers


Safety controller for mobile machines

December 2011 PLCs, DCSs & Controllers

Almost all mobile vehicles have functions which may endanger persons and material. In more and more application areas, clearly defined product standards have been in place for some time. Examples are vehicle lifts and refuse trucks. As a result of the revised machinery directive, machine manufacturers often have to meet new requirements. There is therefore an increasing demand for certified electronic assemblies for mobile vehicles. The R360 safety controller supplied by ifm electronic can be used in applications up to category 3/PL d to EN ISO 13849-1 and SIL 2 to EN 62061.

The R360 safety controller is capable of extended monitoring and test routines for hardware and software. It features safe inputs and outputs for analogue, digital, pulse and PWM signals. CAN interfaces with CANopen, CANsafety and SAE J1939 protocol are available and it is programmable to IEC 61131-3 with CoDeSys.

The integrated hardware and software functions allow applications to be controlled and monitored according to the new machinery directive. Permanent monitoring of CPU, memory and other hardware by the operating system, together with the extended diagnostic functions of the outputs, ensures safe operation of the control process.

The easy and clear CoDeSys programming system includes all important system information needed for the application program. Via the CAN interface, the devices can be connected to further controllers or input/output modules in the R360 device family using the CANsafety and CANopen protocol.

The safety concept monitors all internal and external functions and reliably switches off in case of an error. Special test routines for hardware and software monitoring are implemented in the devices. The certified device hardware, operating system software and programming tools make it easier for the project engineer to obtain approval for a machine as it is only necessary to concentrate on the application program.

For more information contact Chris Cronjé, ifm electronic, 086 143 6772, [email protected], www.ifm.com/za



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