Communication
11.2 PROFINET
S7-1200 Programmable controller
920 System Manual, V4.2, 09/2016, A5E02486680-AK
Configuring the TSEND_C instruction transmit (send) parameters
TSEND_C instruction
The TSEND_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 TSEND_C instruction combines the
functions of the TCON, TDISCON and TSEND instructions.
From the Device configuration in STEP 7, you can configure how a TSEND_C instruction
transmits data. To begin, you insert the instruction into the program from the
"Communications" folder in the "Instructions" task card. The TSEND_C instruction is
displayed, along with the Call options dialog where you assign a DB for storing the
parameters of the instruction.
You can assign tag memory locations to the inputs and outputs, as shown in the following
figure:
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