Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23 1195
16 Working with the FB Editor
16.1 Basics
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16.1.1.4 What is a port block?
A port block is a signal interface to a fieldbus. Input/output ports represent the input and output
process data of the fieldbus.
• Port blocks LP_CanIn/LP_CanOut: Signal interface to the CAN bus
• Port blocks LP_MciIn/LP_MciOut: Signal interface to a plugged fieldbus module
If, for instance, the inverter is to be controlled via CAN bus or a fieldbus module, the input/output
ports are connected to the application block (device-internal signal processing) in the I/O level of the
FB Editor.
[16-4] Example: Input port "LP_CanIn1" and output port "LP_CanOut1"
16.1.1.5 What is an application block?
The application/technology function set in C00005 is shown as application block in the I/O level of
the FB Editor.
The application block comprises the signal flow processing generated via function block
interconnection for the selected application in each case (e.g. "actuating drive speed" or "switch-off
positioning"). The function block interconnection is shown in detail on the application level.
Tip!
Every application block features so-called "free inputs and outputs" which you can use to
transfer signals from the I/O level to the application level and vice versa.
• In the Lenze setting, these connectors are hidden in the function block editor.
• These connections can be shown via the Connector visibilities command in the Context
menu of the application block.
Name of the port block
Button for opening the online help for the port block
Button for opening the parameterisation dialog or the parameter list for the port block
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