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5 Description of the Functions
5.3 Programming the traversing blocks (only in the pos mode, P700 = 2)
PSW
(program control
word, P80:28)
Table 5-6
Structure of the program control word (PSW, P80:28)
Bit
Description
0
0
Motion type
Motion type
Positioning type
1
1
(only for posi-
(only for posi-
tioning)
2
2
Timer type
Timer type
Logic operation
between timer
between timer
3
3
with start byte
Return program
Return program
4
4
jump (M18)
5
Traversing type
5-144
The program control word defines the general properties and character-
istics of a traversing block.
Signal status, description
1
Enter position and velocity (position control)
0
Enter speed (speed control index)
1
Relative
0
Absolute
1
Traverse as soon as the timer no longer runs
0
Traverse as long as the timer is running
1
Traverse if timer or start byte condition is fulfilled
0
Traverse if timer and start byte condition is fulfilled
1
Jump to the start of the program after the end of block
0
No response
1
Path controlled operation
S
Approximate positioning to the following program block
S
The following block is immediately processed when the time
to apply the brake is reached
Pos., velocity, motion type, positioning type, traversing type
10
66
POSITIONING ABSOLUTEPath controlled operation
30
100 POSITIONING ABSOLUTEPath controlled operation
20
33
POSITIONING ABSOLUTEPrecise stop
v
100
66
33
–33
Block 1
SIMODRIVE POSMO A User Manual (POS1) – 08/2013 Edition
Example:
Program
with 3 traversing blocks
Brake application point
Block 2
Block 3
E Siemens AG 2013 All Rights Reserved
02.99
Effective
for
single
blocks
yes
yes
yes
yes
no
no
no
no
yes
yes
no
t
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