Start-Up
SINUMERIK 802S base line
4-11
Start-Up
4.3.2 Start-up modes of the PLC
The PLC can activate its start-up modes from two places.
Table 4–4 Start-up modes
Start-Up
Switch
Operator Panel
Start Up Menu
PLC Program
Selection
Program
Status
Retentive Data
(Backed-Up)
MD for the PLC in
the User
Interface
CNC start-up *
Normal power-
up
Position 0
Normal power-up User program Run Unchanged Accept active
PLC MD
Power-up with
default values
Position 1
Power-up with
default values
User program Run Deleted Standard PLC MD
Power-up with
saved data
Position 3
Power-up with
saved data
User program Run Saved data Saved
PLC MD
PLC Stop
after POWER
ON
Position 4
Unchanged Stop Unchanged Accept active
PLC MD
PLC start up **
Restart User program Run Unchanged Accept active
PLC MD
Restart
and debug mode
User program Stop Unchanged Accept active
PLC MD
Restart with
simulation
Simulation
program
Run Unchanged Accept active
PLC MD
Overall reset User program Run Deleted Accept active
PLC MD
Overall reset and
debug mode
User program Stop Deleted Accept active
PLC MD
* Diagnosis/Start up / Start up switch / CNC softkey
** Diagnosis/Start up / Start up switch / PLC softkey
The start-up switch PLC Stop can be activated either during operation or
power-up.
The debug mode (see “Operation and Programming”, Chapter 7) causes the
PLC to remain in PLC Stop after the control system has powered up. All
power-up modes that have been set either via softkeys or via hardware start-
up switches will only come into effect after the next power-up of the control
system. The hardware start-up switch “PLC STOP” (position 4) is active
immediately. The priority of the power-up modes activated via the softkeys on
the operator panel is higher than that of the hardware start-up switches.
Example:
z
Hardware start-up switch position 3
z
Restart from operator panel
Ö
Restart is active from next power-up of the control system
The Run mode activates the cyclic mode.
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