Product Overview
1-5
FM 456-2 Application Function Module Installation, Hardware, and Startup
C79000-G7076-C458-01
1.2
Applications
Tasks of an FM 456-2
An FM 456-2 is used as a programmable module in an S7-400 programmable logic
controller in conjunction with an S7/M7-400 CPU. The following are a few typical
tasks or functions for an FM 456-2:
Technological functions (controlling, positioning, counting)
Process data acquisition
Mass storage functions
Data exchange with the S7/M7 CPU
Data exchange with PG/PC
Control of local peripherals
Event-driven program processing
Communications
Areas of Application of an FM 456-2
The FM 456-2 can be used in any application where special technical
requirements, high-speed control or special tasks such as communications, data
storage etc. are to be implemented.
Plastics technology
Process systems
Textile industry
Machine tools
Packaging systems
...
User-Defined Functionality
The functionality of an FM 456-2 is defined by the user. This is achieved through
the programming capability of the module. Powerful M-7 system software and
STEP 7 development and generation software that is easy for the engineer to use
are available for the implementation of the user’s application.
System software
The FM 456-2 can be used with the M7-SYS RT system from release V5.0.