Siemens S7-1200 System Manual page 556

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Table of Contents

Communication

10.2 PROFINET

You can assign tag memory locations to the inputs and outputs, as shown in the following

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 520) 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.

S7-1200 Programmable controller

System Manual, 03/2014, A5E02486680-AG