Product Overview
2-4
C7-635 Control System
A5E00155581-04
C7-635
Integrated
I/O
DP
interface
RS232
interface
C7-PLC C7-TP/OP
CPU memory
C7-CPU
TP/OP memory
STEP 7
ProTool
S7-300
I/O bus
expansion
MPI
interface
C7-TP/OP
MMC
CF-
Card
Figure 2-3 Components and interfaces of the C7-635
Plug-In Modules on the S7-300 I/O Bus
Note
I/O expansions can be interconnected via the S7 300 I/O bus without IM interface
module using the following accessories:
• 2-module I/O set: Expansion with up to two S7 300 modules
• 4-module I/O set: Expansion with up to four S7 300 modules
You can add an IM-360 interface module in order to connect up to three expansion
rows for a maximum of 23 S7 300 modules.
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