Plc Status - Siemens SINUMERIK 840D Operator's Manual

9
03.04
9.3 NC
Start-up
key
NCK
addresses
9.4 PLC

9.4.1 PLC status

Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition
Setting a key position for the startup switch with appropriate access
rights.
View and edit the NCU/CCU address.
It is normally only necessary to edit the address for M : N operation.
You cannot undo an address change with general reset. The address
change is not saved in an NC series startup archive.
· Changes can only be made to the PLC operands with the
appropriate password.
· The procedure for handling PLC operands is described in
subsection "PLC" in Chapter 8, "Diagnosis" Operating Area.
Danger
Changes in the states of PLC memory locations have a major impact
on the machine. Incorrect parameterization may endanger human life
and cause damage to the machine.
See Chapter 8, "PLC Status".
"Startup" Operating Area
9.3 NC
9-447
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