Siemens SIMATIC FM 456-2 - Module Overview

Product Overview
1-7
FM 456-2 Application Function Module Installation, Hardware, and Startup
C79000-G7076-C458-01
1.4 Module Overview
Overview of Types of Application Function Modules
Table 1-3 Overview of M7-400 Application Function Modules
Description
Remarks
FM 456-2 application function module Pentium, 120 MHz, 16 MByte DRAM main me-
mory installed, 256 Kbyte SRAM with buffer,
with option of connecting expansion modules
Overview of Memory Cards
Table 1-4 Overview of Memory Cards for the M7-400 Application Function Modules
Description
Remarks
Flash EPROM, 4 Mbyte
M d ith i iti
Flash EPROM, 8 Mbyte
Memory cards with various memory capacities.
Flash EPROM, 16 Mbyte
Expansion modules
Table 1-5 Expansion Modules for the M7-400 Application Function Modules
Description
Remarks
EXM 478 expansion module Provides space for 3 interface submodules
ATM 478 AT adapter module Provides space for a short AT module
MSM 478 mass storage module 3.5” diskette drive, hard disk, ”LPT1” parallel
interface