Communication
11.2 PROFINET
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
921
Configuring General parameters
You specify the parameters in the Properties configuration dialog of the TSEND_C
instruction. This dialog appears near the bottom of the page whenever you have selected
any part of the TSEND_C instruction.
Configuring the TRCV_C instruction receive parameters
TRCV_C instruction
The TRCV_C instruction (Page 837) creates a communications connection to a partner
station. The connection is set up, established, and automatically monitored until it is
commanded to disconnect by the instruction. The TRCV_C instruction combines the
functions of the TCON, TDISCON, and TRCV instructions.
From the CPU configuration in STEP 7, you can configure how a TRCV_C instruction
receives data. To begin, insert the instruction into the program from the "Communications"
folder in the "Instructions" task card. The TRCV_C instruction is displayed, along with the
Call options dialog where you assign a DB for storing the parameters of the instruction.
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