Membrane keyboard for 6FC5303-0AF50-0BA1 membrane keypad switch

Grounding concept of Siemens OP019 6FC5303-0AF50-0BA1 Membrane Keyboard
The SINUMERIK 840D sl system consists of a number of individual components which have been designed so that the system complies with the appropriate EMC and safety standards. The individual system components of 6FC5 303-0AF50-0BA1 Terminal Keypad are:
• Numerical Control Unit (NCU)
• Machine Control Panel(MCP), Machine Push button Panel (MPP)
• Keyboard
• Operator panels (operator panel front TCU/PCU)
• Distributor box and handheld unit
• S7-300 l/O with IM 153 interface module

Screen saver of 6FC5 303-0AF50-0BA1 Keypad Membrane
If an image with high contrast of 6FC53030AF500BA1 Operator Keyboard is displayed without change for longer than one hour, the dark-ON function must be activated for energy efficiency reasons. The time can be adapted individually.

Grounding measures of 6FC53030AF500BA1 Operator Keyboard
The individual modules are attached to a metal cabinet panel. Insulating paints on the mounting points of 6FC5303-0AF50-0BA1 Switch Membrane (e.g.tension jacks) must be removed. It is permissible to cluster the operator control components regarding connection/potential bonding. Example: The control panel on the swivel arm. It is sufficient in this instance to connect the ground connections of, for example, the PCU, TCU, and 6FC5303-0AF50-0BA1 Membrane Keypad Switch operator panel front using a cable and to route a shared grounding conductor to the central ground connection in the control cabinet.