PLC_Start

PLC_Start 1:

The function block PLC_Start can be used to start a PLC runtime system on a TwinCAT computer. The function block can, for instance, be used to start the PLC on a remote PC.

PLC_Start 2: Inputs

VAR_INPUT
    NETID    : T_AmsNetId;
    PORT     : T_AmsPort;
    RESET    : BOOL;
    TMOUT    : TIME := DEFAULT_ADS_TIMEOUT;
END_VAR

Name

Type

Description

NETID

T_AmsNetID

The network address of the TwinCAT computer on which the PLC is to be started can be specified here. For the local computer an empty string may be specified.

PORT

T_AmsPort

The port number of the PLC runtime system to which the symbolic variable belongs.

RESET

BOOL

The function block is enabled by a positive edge at this input.

TMOUT

TIME

Time-out period that may not be exceeded when executing the ADS command.

PLC_Start 3: Outputs

VAR_OUTPUT
    BUSY         : BOOL;
    ERR          : BOOL;
    ERRID        : UDINT;
END_VAR

Name

Type

Description

BUSY

BOOL

When the function block is enabled, this output is set and remains set until a feedback is received.

ERR

BOOL

If an error should occur during the transfer of the command, then this output is set once the BUSY output was reset.

ERRID

ADS error number

Returns the error code, if the ERR output is set.

Requirements

Development environment

Target platform

PLC libraries to be integrated (category group)

TwinCAT v3.1.0

PC or CX (x86, x64, ARM)

Tc2_Utilities (System)