Basics of program execution
8.3 Asynchronous instructions
Automation system
188
System Manual, 12/2017, A5E03461182-AE
Communication: maximum number of simultaneously running jobs
The following table shows the maximum number of simultaneously running jobs for
asynchronous instructions (Open User Communication) for the various CPUs.
Open User Communication
1505SP (F)
1505SP
T(F)
1511(F)
1511C
1511T(F)
1507S(F)
1512C
1513(F)
1515(F)
1515T(F)
1516(F)
1516T(F)
1517(F)
1517T(F)
1518(F)
1518(F)
MFP
TSEND
TUSEND
88
96
128
192
256
320
384
TRCV
TURCV
88
96
128
192
256
320
384
TCON
88
96
128
192
256
320
384
TDISCON
88
96
128
192
256
320
384
T_RESET
88
96
128
192
256
320
384
T_DIAG
88
96
128
192
256
320
384
T_CONFIG
1
TSEND_C
uses TSEND, TUSEND, TRCV, TCON, TDISCON
TRCV_C
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
TMAIL_C
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
The following table shows the maximum number of simultaneously running jobs for
asynchronous instructions (MODBUS TCP) for the various CPUs.
MODBUS TCP
1505SP (F)
1505SP
T(F)
1511(F)
1511C
1511T(F)
1507S(F)
1512C
1513(F)
1515(F)
1515T(F)
1516(F)
1516T(F)
1517(F)
1517T(F)
1518(F)
1518(F)
MFP
MB_CLIENT
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
MB_SERVER
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
The table below shows the maximum number of simultaneously running jobs for
asynchronous instructions (S7 communication) for the various CPUs. The S7 communication
instructions use a common pool of resources.
S7 communication
1505SP (F)
1505SP
T(F)
1511(F)
1511C
1511T(F)
1507S(F)
1512C
1513(F)
1515(F)
1515T(F)
1516(F)
1516T(F)
1517(F)
1517T(F)
1518(F)
1518(F)
MFP
PUT
GET
USEND
URCV
BSEND
BRCV
264
288
384
576
768
960
1152
Summary of Contents for Simatic S7-1500/ET 200MP
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