Detailed Description
2.12 Block descriptions
PLC Basic Program Solution Line (P3 sl)
2-132 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
State Meaning Note
WORD H WORD L
0 6 FIFO full Job must be repeated,
since queue is full
0 7 Option not set BP parameter "NCKomm" is not set
0 8 Incorrect target area (SD) RD may not be local data
0 9 Transmission occupied Job must be repeated
0 10 Error in addressing Unit contains value 0
0 11 Address of variable
invalid
Check Addr (or variable name), area,
unit
1 to 8 13 (0x0d) ANY data reference
incorrect
String/NcVar data required has not
been parameterized
Configuration steps
To be able to read a GUD variable, its name must be stored in a string variable. The data
block with this string variable must be defined in the symbol table so that the "Addr"
parameter can be assigned symbolically for FB GETGUD. A structure variable can be
defined optionally in any data area of the PLC to receive the variable pointer (see
specification in following example).
Pulse diagram
'RQH
5HT
(UURU
(1) Activation of function
(2) Positive acknowledgment: variables have been written
(3) Reset function activation after receipt of acknowledgment
(4) Signal change by means of FB
(5) Not permissible
(6) Negative acknowledgment: Error has occurred, error code in output parameter state
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