Program Control - Siemens SINUMERIK 840D Operator's Manual

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03.04

2.3.6 Program control

Cycle Start
Cycle Stop
Single Block
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
2.3 Machine control panel keys
Cycle Start
Start execution of a selected program:
The associated LED illuminates.
Cycle Stop
Stop processing of a running parts program:
The associated LED illuminates.
Press the "Cycle Start" key to continue processing.
Single Block
Execute a part program block by block You can activate the "Single
Block" function in "Automatic" and "MDA" modes. If single block is
activated, the associated LED on the machine control panel lights up.
If single block execution is active,
•
a stop in the cycle is displayed on the screen (in the program
control display line),
•
(in interruption status) in the channel operational messages
line - the text "Stop: Block ended in SBL mode" is output,
•
the current block of the part program is only processed
once you press the "Cycle Start" key,
•
the processing is stopped after execution of one block,
•
you can execute the next block by pressing the "Cycle Start"
key again.
You can deselect the function by pressing the "Single Block" key
again.
The current status is shown in the program control display (global
machine status display, see Chapter 2 Screen Layout)
This function is dependent on the settings under "Program control" in
the Machine operating area.
Operator Components/Operating Sequences
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