Siemens SINUMERIK 840Di Function Manual page 1029

State
WORD H
0
1 to 8
0
0
Configuration steps
To write NC variables, the same configuration steps are required as for reading NC
variables. It is useful to store the address data of all NC variables to be read or written in a
DB.
Pulse diagram
(1)
(2)
(3)
(4)
(5)
(6)
Call example
Writing of three channelspecific machine data of channel 1:
Select the three data with NC VAR selector and store in the file DB120.VAR:
Area
C[1]
C[1]
C[1]
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Meaning
WORD L
9 Transmission occupied
10 Error in variable addressing
11 Variable addr. invalid or var. is
read-only
12 NumVar = 0
Activation of function
Positive acknowledgment: variables have been written
Reset function activation after receipt of acknowledgment
Signal change by means of FB
If function activation is reset prior to receipt of acknowledgment, the output signals are not
updated without the operational sequence of the activated function being affected.
Negative acknowledgment: Error has occurred, error code in the output parameter state.
Block Name
RP rpa[5]
RP rpa[11]
RP rpa[14)
Note
Job must be repeated
Unit or column/line contains value 0
Check Addr (or variable name), area,
unit
Check parameter NumVar
Type
double
double
double
Detailed description
2.12 Block descriptions
Byte S7 Name
4 rpa_5C1RP
4 rpa_11C1RP
4 rpa_14C1RP
2-117