Siemens Simantic ET200SP - Page 160

Basics of program execution
7.3 Asynchronous instructions
Distributed I/O system
160 System Manual, 12/2016, A5E03576849-AG
Basic instructions: maximum number of concurrently running jobs
The table below shows the maximum number of concurrently running jobs for asynchronous
basic instructions.
Basic instructions
CPU 1510SP-1 PN
CPU 1510SP F-1 PN
CPU 1512SP-1 PN
CPU 1512SP F-1 PN
Array DB
ReadFromArrayDBL uses READ_DBL (see Extended instructions)
WriteToArrayDBL
uses READ_DBL, WRIT_DBL (see Extended instructions)
Communication: maximum number of concurrently 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
CPU 1510SP-1 PN
CPU 1510SP F-1 PN
CPU 1512SP-1 PN
CPU 1512SP F-1 PN
TSEND
TUSEND
64 88
TRCV
TURCV
64 88
TCON
64
88
TDISCON
64
88
T_RESET
64
88
T_DIAG
64
88
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
CPU 1510SP-1 PN
CPU 1510P F-1 PN
CPU 1512SP-1 PN
CPU 1512SP F-1 PN
MB_CLIENT
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
MB_SERVER
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON