Receive_Reset (Delete Receive Buffer) - Siemens SIMATIC S7-1200 System Manual

Hide thumbs Also See for SIMATIC S7-1200:

Table of Contents

Communication processor and Modbus TCP

13.3 Point-to-point (PtP) communication

Receive_Reset (Delete receive buffer)

Table 13- 29 Receive_Reset (Receiver Reset) instruction

STEP 7 automatically creates the DB when you insert the instruction.

Table 13- 30 Data types for parameters

Parameter and type

"Receive_Reset_DB"(

REQ:=_bool_in_,

PORT:=_word_in_,

DONE=>_bool_out_,

ERROR=>_bool_out_,

STATUS=>_word_out_);

Activates the receiver reset on the rising edge of this enable input (Default

value: False)

After you install and configure a CM or CB communication device, the port

identifier appears in the parameter helper drop-list available at the PORT box

connection. The assigned CM or CB port value is the device configuration

property "hardware identifier". The port symbolic name is assigned in the "Sys-

tem constants" tab of the PLC tag table. (Default value: 0)

When TRUE for one scan, indicates that the last request was completed with-

When TRUE, shows that the last request was completed with errors. Also,

when this output is TRUE, the STATUS output will contain related error codes.

Error code (Default value: 0)

Receive_Reset clears the receive

buffers in the CM or CB.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK