Siemens SIMATIC S5 - Example for Better Comprehension of the IP241

R 02/92
Operating Instructions
2.10 Example for Better Comprehension of the 1P 241
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B
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o
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Software synchronization
1000
1200
(ss) in point %!’5 thus definition of the coordinate
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zero point (reference or synchronization point).
Output Q1.0 (Drive ON) is turned on.
At point
‘~ the final system speed is reached.
When point
<~ is reached, change over to crawl speed (Q1.1 set).
When point ~ is reached, turn off (STOP).
After successful start-up
1) Specify setpoint in data block (IP 241)
I Set UD and oarameterize data block (IP 241) I
2) Setup start-up organization blocks
– Save scratchpad
fla s
~
– Call FB 156 arame erize)
[B
– Call FB 157 EF = any) (delete interru ts after start-up)
8
– Software synchronization with FB 157 ( EF = SS)
– Reload scratchpad flags
3) Cyclic processing in OB1
– START (drive ON)
– Read actual value
1P 241 Equipment Manual
@.SiemensA(31989,
order No.: 6ES5 gg8-l)KD21
2 – 19
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