Siemens SINUMERIK 840D sl Programming Manual page 32

Flexible NC programming
1.1 Variables
<PP stop>:
<phys_unit>:
<limit values>:
<access
rights>:
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Preprocessing stop
Preprocessing stop while reading
SYNR:
Preprocessing stop while writing
SYNW:
Preprocessing stop while reading/writing
SYNRW:
Physical unit
PHU <unit>:
See "Attribute: Physical unit (PHU) (Page 39)"
Note
Cannot be redefined for:
• System variables
• Global user data (GUD)
• Data types: BOOL, AXIS, STRING, FRAME
Lower and/or upper limit value
LLI <limit value>:
ULI <limit value>:
See "Attribute: Limit values (LLI, ULI) (Page 38)"
Note
Cannot be redefined for:
• System variables
• Global user data (GUD)
• Data types: BOOL, AXIS, STRING, FRAME
Access rights for reading/writing via part program or OPI
APX <protection
level>:
APRP <protection
level>:
APWP <protection
level>:
APRB <protection
level>:
APWB <protection
level>:
See "Attribute: Access rights (APR, APW, APRP, APWP, APRB,
APWB) (Page 41)"
Lower limit value (lower limit)
Upper limit value (upper limit)
Execute: NC language element
Read: Part program
Write: Part program
Read: OPI
Write: OPI
Protection Range of values: 0 to 7
level
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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