LOGO! Manual
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4 LOGO! Functions
Element lists
LOGO! offers you a number of elements in programming
mode. So that you don’t lose track of things, we have di-
vided these elements into lists. These lists are:
Co: List of connectors (Connector)
(see Section 4.1)
BF: List of the basic functions AND, OR, ...
(see Section 4.2)
SF: List of special functions
(see Section 4.4)
BN: List of the completed and reusable blocks in the
circuit
Contents of the lists
All the lists display elements available in LOGO!. Normally,
these are all the connectors, all the basic functions and all
the special functions that the respective LOGO! variant
knows. These elements also include all the blocks you
have created in LOGO! before you call up the BN list.
When LOGO! no longer displays everything
LOGO! no longer displays all elements if:
No further block must be inserted.
In this case, there is either no more memory available
or the maximum number of possible blocks has been
reached (56).
A special block would use more memory than is still
available in LOGO!.
The resulting number of function blocks connected in
series would exceed 7 (see Section 3.7).
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