Siemens SINUMERIK 840D sl Programming Manual

3.17 Synchronized actions
3.17.1 Definition of a synchronized action
A synchronous action is defined in a block of a part program. Any further commands that are
not part of the synchronous action, may not be programmed within this block.
A synchronous action consists of the following components:
Validity, ID
no.
(optional)
Condition part
(optional)
Action part with condition fulfilled Action part with condition unfulfil‐
led
(optional)
Frequency G com‐
mand
(option‐
al)
Condition Keyword G com‐
mand
(option‐
al)
Actions Keyword G com‐
mand
(option‐
al)
Actions
---
1)
ID=<no.>
IDS=<no.
>
---
1)
WHENEVER
FROM
WHEN
EVERY
G... Logical
Expressio
n
DO G... Action 1
...
Action n
ELSE G... Action 1
...
Action n
1)
Not programmed
Syntax
DO <action 1> ... <action n>
<frequency> [<G function>] <condition> DO <action 1> ... <action n>
ID=<No> <frequency> [<G function>] <condition> DO <action 1> ...
<action n>
IDS=<No> <frequency> [<G function>] <condition> DO <action 1> ...
<action n>
IDS=<no.> <frequency> [<G function>] <condition> DO <action 1...n>
ELSE <action 1...n>
Further information
Function Manual Synchronous Actions
Work preparation
3.17 Synchronized actions
NC programming
950 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based