Subprograms - Siemens SINUMERIK 840D sl Commissioning Manual

08/2005
IF REG[5] == 1
REG[7] = VAR1
ELSE
IF REG[5] == 2
REG[7] = VAR2
ELSE
IF REG[5] == 3
ELSE
ENDIF
ENDIF
ENDIF
END_CHANGE
3.6.4

Subprograms

Repeatedly used configuring instructions or others, which define the process for a
particular operation can be configured in subprograms. Subprograms can be
loaded into the main program or other subprograms at any time and executed as
often as necessary, i.e., the instructions they contain do not need to be configured
repeatedly. The definition blocks of the screen forms/softkey menu constitute a
main program.
Subprogram: Define
Subprograms are identified by the block identifier //B and terminated with //END in
a configuration file. Several subprograms can be defined under each block
identifier. A block is structured in the following way:
//B(Block name)
SUB (identifier)
...
END_SUB
[SUB(identifier)
...
END_SUB]
...
//END
where:
Block name
Identifier
Note
Variables programmed in subprograms must be defined in the screen form in
which these subprograms are called.
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition
REG[7] = VAR3
IF REG[5] == 4
REG[7] = VAR4
ENDIF
Name of block identifier
Name of subprogram
Expanding the Operator Interface (BE1)
3 Syntax
BE1/3-85