02.2001 3 Hardware
© Siemens AG 2001 All Rights Reserved
SINUMERIK 840Di System Overview (SYI) - 02.2001 Edition 3
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3.8 I/Os
For connection to the SINUMERIK 840Di, the following components are offered as
I/Os:
• the distributed I/O system SIMATIC ET 200
• the I/O module PP 72/48
The distributed I/O system SIMATIC ET 200
From the range of devices of the distributed I/O system SIMATIC ET 200, all I/O
devices can be used which support a data transfer rate of 12MBaud to be set with
the SINUMERIK 840Di at PROFIBUS DP. These are currently the following I/O de-
vices:
• ET 200M
• ET 200B
• ET 200X
• ET 200S
As an example for the SIMATIC I/O devices mentioned above, the I/O device ET
200M will be introduced here in brief.
ET 200M
The ET 200M is a modular I/O device designed
acc. to the degree of protection IP 20. It consists
of:
• a PROFIBUS DP interface module IM 153
• I/O modules
• a power supply (from case to case).
The I/O device ET 200M can be extended with a maximum number of 8 I/O mod-
ules of the S7-300 automation system. No slot rules apply for the extension. The
I/O modules can be combined as desired.
The following module types are offered:
• Standard signal modules of the S7-300 design technology (with module diag-
nosis)
• Diagnosable instrumentation and control I/O modules (with channel and mod-
ule diagnosis)
• Redundant modules (with channel and module diagnosis)
• Ex input/output modules for the coupling of signals from the Ex area (with
channel and module diagnosis)
Fig. 3-12 SIMATIC ET 200M
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