Siemens Simatic S7-300 CPU 31xC Series User Manual

Index
S7-300, CPU 31xC and CPU 31x: Installation
Index-4 Operating Instructions, Edition 08/2004, A5E00105492-05
MPI address
default, 4-31
highest, 4-31
Recommendation, 4-32
Rules, 4-31
MPI and PROFIBUS subnet, 4-44
MPI subnet
Example, 4-40
maximum distances, 4-41
Segment, 4-35
Terminating resistor, 4-42
Multi Point Interface, 4-28
N
Network Management Software, 10-8
Network Management Systems, 10-8
Network Types, 4-48
O
Objective of this documentation, iii
Open components, 5-1
Operating system
Back up, 9-2
Updating, 9-3
Outdoor routing of cables, A-18
P
PC, 4-53
PG
Access to remote networks, 4-60
Connecting, 8-13, 8-14, 8-15, 8-16, 8-17
ungrounded configuration, 8-17
Potential differences, 4-22
Power on
initial, 8-9
Requirements, 8-9
Power supply module
Selecting the mains voltage, 6-4
PROFIBUS, 4-28, 4-46, 4-49, Glossary-16
PROFIBUS address
Recommendation, 4-32
PROFIBUS cable
Properties, 4-37
PROFIBUS DP
Direct data exchange, 8-33
Maximum number of nodes, 4-31
Maximum transmission rate, 4-30
PROFIBUS DP, 8-23
PROFIBUS DP address
default, 4-31
highest, 4-31
Rules, 4-31
PROFIBUS node, 4-45
PROFIBUS subnet
Cable lengths, 4-35
Example, 4-43
PROFIBUS terminator, 4-42
PROFINET, 4-29, 4-46
CBA, 4-29
Environment, 4-45
Implementation, 4-49, Glossary-16
IO, 4-29
standard, 4-50, Glossary-15
PROFINET CBA, 4-29, 4-50, Glossary-15
PROFINET IO, 4-29, 4-52
PROFIBUS DP, 8-34
PROFINET node, 4-47
PROFINET nodes, 4-45
Programming, 4-49, 16
Protect digital output modules
from inductive surge, A-28
Protective conductor
Connecting to the mounting rail, 5-4
Connecting to the rail, 6-3
Protective grounding
measures, 4-22
Protective measures
for the overall system, 4-16
Proxy functionality, 4-49
PtP, 4-29
PtP communication, 4-29
PtP interface, 4-62
R
Real-Time Communication, Glossary-18
Redundancy, A-31
Redundant and fail-safe system, A-31
Reference potential
grounded, 4-16
ungrounded, 4-17
Removing
the modules, 9-7
Replacing
Fuses, 9-12
Module, 9-6
Replacing fuses
Digital output module, 9-12
Requirement class (RC)
Attainable, A-31

Siemens Simatic S7-300 CPU 31xC Series Specifications

General

Series	S7-300 CPU 31xC
Power Supply	24 V DC
Communication Interfaces	MPI, PROFIBUS DP
Programming Languages	LAD, STL, FBD, SCL
Operating Temperature	0°C to +60°C
Memory	48 KB - 512 KB
Dimensions	40 x 125 x 130 mm (varies by model)