Multiple Workstation SCADA System Access for CNC Machining
Controlling Machine Tools
An Italian SI, who develops and builds computerized numerical control (CNC) work centers with multiple operator consoles, wanted to build a SCADA PC system with access from 5 different operator consoles. All console workstations needed to be equipped with a touchscreen and a keyboard with touchpad and were allowed exclusive access to control machine tools on a one-at-a-time basis.
The SCADA PC, where the CCKM KVM over IP Matrix Manager software is installed, enables or restricts access from each workstation during a period of at least 10min. An automation PLC manages the ports. This all happens through machine-to-machine communication and frees up manpower for additional tasks while allowing for precise results on a repeatable basis.
Virtual Matrix Management
For process control, the automation PLC needs to be able to enable/ disable each remote console to occupy the computer for a period of at least 10 mins.
Flexibility to expand maintenance & control operations to support adding more workstations in the future to maintain the highest standards.
Secure Access Safety
The main controller needs to be able to securely enable/ disable access remotely via the PLC for safety reasons depending on the work center status.
ATEN was able to provide custom firmware to replicate RS232 over TCP/IP for a more robust setup for the machine-to-machine protocol
Supported by ATEN KVM over IP Matrix System
Multiple Access Modes
Solution provides multiple access modes – exclusive access, occupy – while operators can still view the SCADA PC in shared access or view-only mode.
Work Center Safety
Allows safe access when needed for only one operator to work safely with the extra option of isolating individual KE units from the larger network via dedicated LAN port.
In addition to touchscreen support, the solution also allows for keyboards with touchpads at the workstations for flexible monitoring and operation.
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