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S7-400 CPU Specifications Manual .pdf
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S7-400 CPU Specifications Manual .pdf
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SIMATIC S7-400 S7-400 Automation System, CPU Specifications
Introduction
1
Structure of a CPU 41x
2
Special functions of a
CPU 41x
3
Communication
4
PROFIBUS DP
5
PROFINET
6
Consistent Data
7
Memory concept
8
Cycle and Response Times
of the S7-400
9
Technical specifications
10
IF 964-DP interface module
11
SIMATIC
S7-400
S7-400 Automation System, CPU
Specifications
Manual
09/2008
A5E00850746-06
This manual is part of the documentation package
with the order number 6ES7498-8AA05-8BA0
Legal information
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.
CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the corresponding information is not taken into
account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The device/system may only be set up and used in conjunction with this documentation. Commissioning and
operation of a device/system may only be performed by qualified personnel. Within the context of the safety notes
in this documentation qualified persons are defined as persons who are authorized to commission, ground and
label devices, systems and circuits in accordance with established safety practices and standards.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be adhered to. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this
publication may be trademarks whose use by third parties for their own purposes could violate the rights of the
owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
A5E00850746-06
Ⓟ 11/2008
Copyright © Siemens AG 2008.
Technical data subject to change
S7-400 Automation System, CPU Specifications
Manual, 09/2008, A5E00850746-06
3
Table of contents
1 Introduction..............................................................................................................................................
11
2 Structure of a CPU 41x............................................................................................................................
15
2.1 Control and display elements of the CPUs..................................................................................
15
2.2 Monitoring functions of the CPU ..................................................................................................
23
2.3 Status and error displays .............................................................................................................
26
2.4 Mode selector switch ...................................................................................................................
29
2.4.1 Function of the mode selector switch ..........................................................................................
29
2.4.2 Running a memory reset..............................................................................................................
31
2.4.3 Cold start / Warm restart / Hot restart..........................................................................................
33
2.5 Structure and Functions of the Memory Cards............................................................................
34
2.6 Use of the Memory Cards ............................................................................................................
36
2.7 Multipoint Interface (MPI).............................................................................................................
39
2.8 PROFIBUS DP Interface..............................................................................................................
41
2.9 PROFINET interface ....................................................................................................................
42
2.10 Overview of the parameters for the S7-400 CPUs ......................................................................
43
3 Special functions of a CPU 41x ...............................................................................................................
45
3.1 Multicomputing.............................................................................................................................
45
3.1.1 Fundamentals ..............................................................................................................................
45
3.1.2 Special Features at Multicomputing.............................................................................................
47
3.1.3 Multicomputing interrupt...............................................................................................................
48
3.1.4 Configuring and programming multicomputing mode..................................................................
48
3.2 System modifications during operation........................................................................................
49
3.2.1 Basics...........................................................................................................................................
49
3.2.2 Hardware requirements ...............................................................................................................
50
3.2.3 Software requirements.................................................................................................................
50
3.2.4 Permitted system modifications ...................................................................................................
51
3.3 Resetting the CPU to the factory state ........................................................................................
52
3.4 Updating the firmware without a memory card ............................................................................
54
3.5 Reading out service data .............................................................................................................
55
4 Communication........................................................................................................................................
57
4.1 interfaces......................................................................................................................................
57
4.1.1 Multi-Point Interface (MPI) ...........................................................................................................
57
4.1.2 PROFIBUS DP.............................................................................................................................
58
4.1.3 PROFINET...................................................................................................................................
60
4.2 Communication services..............................................................................................................
62
4.2.1 Overview of communication services ..........................................................................................
62
4.2.2 PG communication.......................................................................................................................
63
4.2.3 OP communication.......................................................................................................................
63
Table of contents
S7-400 Automation System, CPU Specifications
4 Manual, 09/2008, A5E00850746-06
4.2.4 S7 basic communication ............................................................................................................. 64
4.2.5 S7 communication.......................................................................................................................
65
4.2.6 Global data communication.........................................................................................................
67
4.2.7 S7 routing....................................................................................................................................
68
4.2.8 Time synchronization ..................................................................................................................
72
4.2.9 Data set routing...........................................................................................................................
73
4.3 SNMP network protocol ..............................................................................................................
75
4.4 Open Communication Via Industrial Ethernet.............................................................................
76
4.5 S7 connections............................................................................................................................
80
4.5.1 Communication path of an S7 connection ..................................................................................
80
4.5.2 Assignment of S7 connections....................................................................................................
81
4.6 Communication performance......................................................................................................
83
4.7 Web server..................................................................................................................................
86
4.7.1 Properties of the web server .......................................................................................................
86
4.7.2 Settings in HW Config, "Web" tab...............................................................................................
88
4.7.3 Language settings.......................................................................................................................
91
4.7.4 Updating......................................................................................................................................
93
4.7.5 Web pages ..................................................................................................................................
94
4.7.5.1 Start page with general CPU information....................................................................................
94
4.7.5.2 Identification ................................................................................................................................
96
4.7.5.3 Diagnostics buffer .......................................................................................................................
97
4.7.5.4 Module state................................................................................................................................
98
4.7.5.5 Alarms .......................................................................................................................................
102
4.7.5.6 PROFINET ................................................................................................................................
104
4.7.5.7 Topology....................................................................................................................................
107
4.7.5.8 Variable status ..........................................................................................................................
109
4.7.5.9 Variable tables ..........................................................................................................................
111
5 PROFIBUS DP ......................................................................................................................................
113
5.1 CPU 41x as DP master / DP slave ...........................................................................................
113
5.1.1 Overview ...................................................................................................................................
113
5.1.2 DP address areas of 41x CPUs ................................................................................................
114
5.1.3 CPU 41x as PROFIBUS DP master .........................................................................................
115
5.1.4 Diagnostics of the CPU 41x as DP master ...............................................................................
119
5.1.5 CPU 41x as DP slave................................................................................................................
124
5.1.6 Diagnostics of the CPU 41x as DP slave..................................................................................
128
5.1.7 CPU 41x as DP slave: Station statuses 1 to 3..........................................................................
133
5.1.8 Direct Data Exchange ...............................................................................................................
138
5.1.8.1 Principle of direct data exchange..............................................................................................
138
5.1.8.2 Diagnostics in direct data exchange .........................................................................................
140
5.1.9 Isochrone mode ........................................................................................................................
142
6 PROFINET ............................................................................................................................................
145
6.1 Introduction ...............................................................................................................................
145
6.2 PROFINET IO and PROFINET CBA ........................................................................................
146
6.3 PROFINET IO Systems ............................................................................................................
148
6.4 Blocks in PROFINET IO............................................................................................................
150
6.5 System status lists for PROFINET IO .......................................................................................
153
Table of contents
S7-400 Automation System, CPU Specifications
Manual, 09/2008, A5E00850746-06
5
7 Consistent Data ..................................................................................................................................... 155
7.1 Basics.........................................................................................................................................
155
7.2 Consistency for communication blocks and functions ...............................................................
156
7.3 Consistent Reading and Writing of Data from and to DP Standard Slaves/IO Devices............
157
8 Memory concept ....................................................................................................................................
161
8.1 Overview of the memory concept of S7-400 CPUs ...................................................................
161
9 Cycle and Response Times of the S7-400.............................................................................................
165
9.1 Cycle time ..................................................................................................................................
165
9.2 Cycle Time Calculation ..............................................................................................................
167
9.3 Different cycle times...................................................................................................................
170
9.4 Communication Load .................................................................................................................
172
9.5 Reaction Time............................................................................................................................
175
9.6 Calculating cycle and reaction times .........................................................................................
181
9.7 Examples of Calculating the Cycle Time and Reaction Time....................................................
182
9.8 Interrupt Reaction Time .............................................................................................................
185
9.9 Example: Calculating the Interrupt Reaction Time ....................................................................
187
9.10 Reproducibility of Time-Delay and Watchdog Interrupts ...........................................................
188
9.11 CBA response times ..................................................................................................................
189
10 Technical specifications.........................................................................................................................
193
10.1 Specifications of the CPU 412-1 (6ES7412-1XJ05-0AB0) ........................................................
193
10.2 Specifications of the CPU 412-2 (6ES7412-2XJ05-0AB0) ........................................................
201
10.3 Specifications of the CPU 414-2 (6ES7414-2XK05-0AB0) .......................................................
209
10.4 Specifications of the CPU 414-3 (6ES7414-3XM05-0AB0).......................................................
217
10.5 Specifications of the CPU 414-3 PN/DP (6ES7414-3EM05-0AB0)...........................................
226
10.6 Specifications for the CPU 416-2 (6ES7416-2XN05-0AB0), CPU 416F-2 (6ES7416-
2FN05-0AB0) .............................................................................................................................
237
10.7 Specifications of the CPU 416-3 (6ES7416-3XR05-0AB0) .......................................................
245
10.8 Specifications of the CPU 416-3 PN/DP (6ES7416-3ER05-0AB0), CPU 416F-3 PN/DP
(6ES7416-3FR05-0AB0)............................................................................................................
253
10.9 Specifications of the CPU 417-4 (6ES7417-4XT05-0AB0)........................................................
265
10.10 Technical specifications of the memory cards ...........................................................................
273
11 IF 964-DP interface module...................................................................................................................
275
11.1 Using the IF 964-DP interface module.......................................................................................
275
11.2 Technical specifications .............................................................................................................
277
Index......................................................................................................................................................
279
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