09.91 2 Operation
2.1.2 SINUMERIK 810M operator interface with external machine control panel
This key enables you to run a program on a block-by-block basis in
the ”AUTOMATIC” operating mode.
When the switch is in position
”
0 ”
: Single block operation is
not active!
When the switch is in position
” I ”
: Single block operation is
active!
When single block operation is active :
• the ”SBL” (Single block) message is shown on the first line of
the CRT (2.1.1.1)
• the current part program block is
processed when you press
the ”Program start” key
• when the block has been processed, the ”HOLD SINGLE
BLOCK” message is displayed on the CRT
• when you operate the ”Program start” key again, the next
block is transferred and processed etc...
Single block switch
IO
Spindle speed override switch
• The rotary switch, with 16 latched positions, enables you to
decrease or increase the programmed spindle speed ”S”
(relative to 100%).
• The actual function of the switch depends on machine data.
• The set spindle speed value ”S” is displayed on the
CRT as an absolute value and as a percentage.
Control range: 50% ..... 120% of the programmed spindle
speed
Step increment: 5% from position to position
50
60
70
80
90
100
110
120
%
S
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For certain functions (e.g. ”coordinate rotation”, ”soft approach to
contour”), the control inserts further blocks. Depending on the number of
blocks inserted the ”program start” key must be pressed several times
.
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The step increment and control range specified apply
to standard machine data.
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© Siemens AG 1990 All Rights Reserved 6ZB5 410-0EQ02 2-27
SINUMERIK 810M, GA3 (BN)