Siemens SIMODRIVE 611 universal - Page 246

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5.6 Net data (PKW and PZD area)
5-246
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SIMODRIVE 611 universal Description of Functions (FBU) – 04.05 Edition
Assumptions for the example:
 Distance–coded reference marker
 Two reference markers (function 1/function 2)
 Closed–loop position control with encoder 1
Mode
G1_STW.7 = 0
Function 1
G1_STW.0 = 1
Command
G1_STW.4 = 1
(activate function)
G1_STW.5 = 1
(read value)
Function 1 active
G1_ZSW.0 = 1
Value 1/2 available
G1_ZSW.4 /.5 = 1
Gx_XIST2
Reference marker 1/2
Actual value transfer
1
0
1
0
1
0
1
0
1
0
1
0
Find reference marker
Reference marker 1
Activate function 1/2
Function 1 active
Value 1
available
Function 2
G1_STW.1= 1
1
0
Function 2 active
G1_ZSW.1 = 1
1
0
Function 2 active
Reference marker 2
Value 2
available
Actual position value
at reference marker 1
Actual position value
at reference marker 2
Reference marker 1
Reference marker 2
12
1)
1) Signal must be reset by user
1
0
Read
value 1
Read
value 2
1)
Fig. 5-14 Function chart for ”find reference marker”
Example 1:
Find reference
marker
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