Siemens CPU 31 Series Technical Data Manual page 237

R
RAM, 4-2
RAM to ROM, 4-12
Required basic knowledge, iii
Response time
Calculating the longest, 5-17
Calculating the shortest, 5-15
Conditions for the longest, 5-16
Conditions for the shortest, 5-15
Definition, 5-13
DP cycle times, 5-13, 5-14
Factors, 5-13
Fluctuation width, 5-13
Reduction with direct I/O access, 5-17
Sample calculation, 5-24
Restart, 4-13
Retentive memory, 4-2
Load memory, 4-2
Retentive behavior of memory objects, 4-3
Retentive behavior of the memory objects, 5-6
System memory, 4-2
Routing
Access to stations on other subnets, 3-11
Example of an application, 3-14
Network node, 3-11
Requirements, 3-13
S
S7 basic communication, 3-8
S7 communication, 3-8
S7 connections
Distribution, 3-30
End point, 3-28
of CPUs 31xC, 3-31
Time sequence for allocation, 3-29
Transition point, 3-28
Sample calculation
of the cycle time, 5-23
Sample calculation
of interrupt response time, 5-25
of the response time, 5-24
Scope of this documentation, v
Scope of this manual, A-1
SFB 52, 3-21
SFB 53, 3-21
SFB 54, 3-21
SFB 81, 3-21
SFC 49, 3-21
SFC 58, 3-20
SFC 59, 3-20
SFC 70, 3-21
SFC 71, 3-21
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
SFC102, 3-21
SFC13, 3-20
SFC5, 3-21
Shortest response time
Calculation, 5-15
Conditions, 5-15
SIMATIC Micro Memory Card
Plug-in MMCs, 6-2, 7-2
Properties, 4-8
Slot, 2-3, 2-6, 2-8, 2-10, 2-12
SNMP, 3-27
SSL, 3-23
W#16#0696, 3-23
W#16#0A91, 3-23
W#16#0C91, 3-23
W#16#0C96, 3-23
W#16#0x94, 3-23
W#16#4C91, 3-23
W#16#xy92, 3-23
Status displays, 2-13
System and Standard Functions, 3-20
System memory, 4-2, 4-4
I/O process image, 4-5
Local data, 4-7
T
Technical data
Analog inputs, 6-49
Analog outputs, 6-51
CPU 312C, 6-3, 7-3, 7-8, 7-13, 7-26, A-2
CPU 313C, 6-8
CPU 313C-2 DP, 6-26
CPU 313C-2 PtP, 6-14
CPU 314C-2 DP, 6-21
CPU 314C-2 PtP, 6-21
Digital inputs, 6-45
Digital outputs, 6-47
Technical Data
CPU 312C, 7-33, 7-40
CPU 313C-2 DP, 6-14
U
Upload, 4-11, 4-12
Useful life of an MMC, 4-9
User program
Upload, 4-11, 4-12
W
Warm start, 4-13
Watchdog interrupt, 5-22
Index
Index-3