Siemens SIMATIC S7-1500 System Manual page 233

Extended instructions
File handling
FileReadC
FileWriteC
Reference information
ResolveSymbols
GetSymbolForReference
LAcycCom libraries enable collision-free coordination of communication resources in the CPU
for acyclic communication. Additional information on the LAcycCom library is available on the
Internet (https://support.industry.siemens.com/cs/ww/en/view/109479553).
Basic instructions: maximum number of simultaneously running jobs
The following table shows the maximum number of simultaneously running jobs for
asynchronous basic instructions.
Table 10- 5
Basic instructions
Array DB
ReadFromArrayDBL
WriteToArrayDBL
Communication: maximum number of simultaneously running jobs
Table 10- 6
Open User Communi-
cation
TSEND
TUSEND
TRCV
TURCV
TCON
TCONSettings
TDISCON
T_RESET
T_DIAG
T_CONFIG
TSEND_C
TRCV_C
TMAIL_C
SIMATIC Drive Controller
System Manual, 11/2023, A5E46600094-AD
CPU 1504D TF
Basic instructions
CPU 1504D TF
Uses READ_DBL (see Extended instructions)
Uses READ_DBL, WRIT_DBL (see Extended instructions)
Maximum number of simultaneous jobs for asynchronous instructions and lower-level in-
structions used for Open User Communication
CPU 1504D TF
Uses TSEND, TUSEND, TRCV, TCON, TDISCON
Uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
Uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
Basics of program execution
10.3 Asynchronous instructions
CPU 1507D TF
10
10
10
10
CPU 1507D TF
CPU 1507D TF
384
384
384
384
384
384
384
1
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