Configuration of the Publisher

Add a new Publisher Box beneath the RT-Ethernet device.

Insert a Publisher Box

Add a new Publisher Box beneath the RT-Ethernet device.

Configuration of the Publisher 1:

Insert a Network variable

Insert a Network Variable beneath the box. A name and a datatype for the new network variable is neccessary (i.e. nCounterPub and UINT32/UDINT).

Configuration of the Publisher 2:

New inputs and outputs will appear beneath the network variable.

Configuration of the Publisher 3:

FrameState shows the state of the send Ethernet frames.

Possible values are:

Short description

Value

Description

Not sent (frame skipped)

0x0001

Error (frame oversized)

0x0001

The limit of a Ethernet frame is exceeded. The mapped variable must have a lower number of bytes.


With FrameCtrl a Control Word can be written for Ethernet frame.

Possible values are:

Short description

Value

Description

Disable sending

0x0001

Sending frames is interrupted. When FrameCtrl is zero again sending of frames begins again.

VarState input shows the state of the network variable.

Possible values are:

Short description

Value

Description

Not sent (variable skipped)

0x0001

With VarCtrl a control word can be written for each network variable.

Possible values are:

Short description

Value

Description

Disable publishing

0x0001

Sending network variable is interrupted. When VarCtrl is zero again sending of network variable begins again.

Mapping

A network variable on the publisher side can be mapped to an output variable of the right datatype of any device. The example shows a mapping of a network variable to an output variable of a PLC.

Configuration of the Publisher 4: