System
7.3 PLC diagnosis represented as a ladder diagram
7-115
SINUMERIK 802D sl Operation and Programming Nibbling (BP-N), 06/2006 Edition
6FC5 398-3CP10-0BA0
Fig. 7-46 “Program status” ON – symbolic representation
Use this softkey to switch between the absolute and symbolic representation of the oper-
ands. Depending on the selected type of representation, the operands are displayed either
with absolute or symbolic identifiers.
If no symbol exists for a variable, this is automatically displayed absolutely.
The representation in the application area can be zoomed in or zoomed out step by step.
The following zoom stages are provided:
20% (default), 60%, 100% and 300%
Can be used to search for operands in the symbolic or absolute representation
A dialog box is displayed from which various search criteria can be selected. The <Abso-
lute/symbol. address> softkey can be used to search for a certain operand matching this
criterion in both PLC windows. When searching, uppercase and lowercase letters are ig-
nored.
Selection in the upper toggle field:
S Search for absolute and symbolic operands
S Go to network number
S Find SBR command
Further search criteria:
S Search direction down (from the current cursor position)
S Whole program block (from the beginning)
S In one program block
S Over all program blocks
You can search for the operands and constants as whole words (identifiers).
Depending on the display settings, you can search for symbolic or absolute operands.
Symbol.
address
Absolute
address
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+
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–
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