Product Overview
1-3
FM 456-2 Application Function Module Installation, Hardware, and Startup
C79000-G7076-C458-01
Configuration of an S7-400 with FM 456-2
An FM 456-2 with or without expansion modules can be installed in addition to the
S7-400 components. Figures 1-1 and 1-2 illustrate sample configurations:
S
FM 456-2 fitted with IF 962-COM and IF 961-CT1 interface submodules,
without expansion modules as application function module in the S7-400
system
S
FM 456-2 fitted with IF 962-COM and IF 962-VGA interface submodules, an
EXM 478 expansion module fitted with IF 961-DIO interface submodule and an
MSM 478 mass storage module as automation computer in the S7-400 system
Central processing unit (CPU)
Signal modules (SM)
Power supply module (PS)
Application function module (FM 456-2)
Two optional interface submodules
e. g. IF 962-COM or IF 961-CT1
Figure 1-1
FM 456-2 as Application Function Module in the S7-400 System
Central processing unit (CPU )
Signal modules (SM)
Power supply module (PS)
Application function module (FM 456-2)
(with IF 962-VGA, IF 962-COM)
Expansion module (EXM 478)
(with e. g. IF 961-DIO)
Mass storage module (MSM 478)
VGA monitor
Keyboard
Figure 1-2
FM 456-2 as Automation Computer in the S7-400 System