Siemens SIMATIC S7-400 Hardware And Installation Manual page 17

Components
Expansion Modules (EXMs)
AT Adapter Modules (ATMs)
Mass Storage Modules (MSMs)
Interface Submodules (IFs)
Applicable Modules in the S7-400 Range
The following modules from the S7-400 range can be used with the M7-400:
Power supply modules (PSs)
Function modules (FMs)
Signal modules (SMs)
Interface modules (IMs)
Fan subassemblies
Suitable I/O Devices
The following I/O devices can be connected via the appropriate interface
submodules:
VGA monitor
Keyboard
Mouse
Printer
Sensors and actuators
Distributed I/Os
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
www.gkbpx.com
Function
... serve to accommodate three
interface submodules (IFs).
... provide a slot for a 16-bit AT
module (up to 164 mm long).
... serve to store programs and
data on a hard disk (2.5") or
floppy disk (3.5").
... for connecting I/O devices
such as VGA monitor, mouse,
keyboard, printer.
Product Overview
Illustration
1-5