Siemens SINUMERIK 840C - Manual (Page 21)

11.92 1 Prerequisites and Visual Inspection
1.1 Prerequisites
1 Prerequisites and Visual Inspection
1.1 Prerequisites
The following prerequisites must be fulfilled prior to initial start-up:
• Electrical and mechanical installation of the machine must have been completed and the
axes prepared for operation.
The following points must be confirmed by the customer!
• Customer PLC program operational and pretested.
• Measuring system installed and wired as far as SINUMERIK.
• Cables connected to the machine. Cable shields run to the control neutral point as per
Interface Description. Flexible earth wires installed. Earthing concept observed (inspect
carefully!).
• Customer personnel support for work on the interface unit, work on the machine, machine
operation and customer produced PLC program.
Recommendation:
Prelimit travel ranges (greater clearance distances) by displacing the end stop
(EMERGENCY STOP cam).
• The specified machine data is available.
• Data carriers are available for checking machine specific functions.
1.2 Visual inspection
General remarks:
Refer to the "EMC Guidelines", Order No. 6FC 3987-7DB
These guidelines provide the following information:
• Why are EMC guidelines necessary?
• What external interference sources affect the control?
• How can interference be prevented?
• Practical examples for an interference free installation.
• How should electronically endangered components (EEC) be handled?
• How can an EMC problem be rectified?
• What standards are relevant to EMC?
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 1–1
SINUMERIK 840C (IA)