Siemens SINUMERIK MC User Manual

3.6 F-conform PLC data types (UDT)
Introduction
You declare and use F-conform PLC data types (UDT)
as you would standard PLC data types
(UDT). You can use F-conform PLC data types (UDT) in the safety program as well as in the
standard user program.
Differences to standard PLC data types (UDT) are described in this chapter.
Information on using and declaring standard PLC data types (UDT) is provided in the help for
STEP 7 under "Declaring PLC data types".
Declaring F-conform PLC data types (UDT)
You declare F-conform PLC data types (UDT) as you would PLC data types (UDT).
In F-conform PLC data types F (UDT), you can use all data types (Page 63), which you can also
use in your safety program. Exception: ARRAY.
Nesting of F-conform PLC data types (UDT) within F-conform PLC data types (UDT) is not
supported.
Proceed as follows for declaration:
1. In the project navigation, in folder "PLC data types", click on "Add new data type".
2. To create F-conform PLC data types (UDT), in dialog "Add new data type", activate option
"Create F-conform PLC data types".
3. Proceed as described in the help for STEP 7 under "Programming the structure of PLC data
types".
You specify default values for F-conform PLC data types (UDT) during the declaration.
Using F-conform PLC data types (UDT)
You use F-conform PLC data types as you would standard PLC data types (UDT).
Changes to F-conform PLC data types (UDT)
You need the password for the safety program to change F-conform PLC data types (UDT).
Regardless if you are using the F-conform PLC data type (UDT) in an F-block, in a standard
block or not at all.
Safety program of the F-PLC
3.6 F-conform PLC data types (UDT)
Safety Integrated (with SINAMICS S120)
Commissioning Manual, 02/2020, A5E46305916B AB 69

Siemens SINUMERIK MC Specifications

General

Brand	Siemens
Model	SINUMERIK MC
Category	Control Systems
Language	English