Siemens SIMATIC S7-300 FM 350-1 Manual de usuario
Counter module FM 350-
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SIMATIC
S7-300
FM 350-1 Counter module
Manual
05/2011
A5E03648639-01
Preface
Product Overview
1
Installing and removing
FM 350-1
2
Wiring the FM 350-1
3
Programming FM 350-1
4
Programming the FM 350-1
5
Commissioning FM 350-1
6
Operating Modes,
parameters and commands
7
Encoder signals and their
evaluation
8
DB assignments
9
Errors and diagnostics
10
Technical data
11
Replacement parts
12
References
13
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 relevant 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 product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
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 complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of 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
A5E03648639-01
Ⓟ 07/2011
Copyright © Siemens AG 2011.
Technical data subject to change
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01 3
Preface
Purpose of this Manual
This manual gives you a complete overview of FM 350-1 function module. It helps you during
installation and commissioning. The procedures for installing and removing, wiring, assigning
parameters, and programming are explained.
This manual is intended for the programmers of STEP 7 programs and for those responsible
for configuring, commissioning, and servicing automation systems.
Basic Knowledge
To understand the manual, you require general experience in the field of automation
engineering.
In addition, you should know how to use computers or devices with similar functions (e.g
programming devices) under the Microsoft® Windows ®operating systems and have a
knowledge of STEP 7 programming.
Scope of this Manual
The present manual contains the description of function module FM 350-1 applicable at the
time the manual was published. We reserve the right to describe changes of FM 350-1
functionality in a Product Information Leaflet.
... Apply to the FM 350-1 The contents of the Manual....
Order no. [MLFB] Version
Without latch
Without measuring operating
modes
Without isochronous mode
6ES7 350-1AH00-0AE0
6ES7 350-1AH01-0AE0
1
1
Without measuring operating
modes
Without isochronous mode
6ES7 350-1AH02-0AE0 1
6ES7 350-1AH03-0AE0 1
Standards
The SIMATIC S7-300 product series is compliant with IEC 61131-2.
Recycling and Disposal
FM 350-1 is recyclable due to its non-toxic materials. For environmentally compliant
recycling and disposal of your discarded device, please contact a company certified for the
disposal of electronic waste.
Preface
FM 350-1 Counter module
4 Manual, 05/2011, A5E03648639-01
Additional support
If you have any further questions about the use of products described in this manual and do
not find the right answers here, contact your local Siemens representative
(http://www.siemens.com/automation/partner):
A guide to the technical documentation for the various products and systems is available on
the Internet:
● SIMATIC Guide manuals (http://www.siemens.com/simatic-tech-doku-portal)
The online catalog and online ordering systems are also available on the Internet:
● A&D Mall (http://www.siemens.com/automation/mall)
Training center
To help you get started with automation technology and systems, we offer a variety of
courses. Contact your regional Training Center or the central Training Center in D-90327
Nuremberg, Germany.
● Internet: SITRAIN homepage (http://www.sitrain.com)
Technical Support
You can access technical support for all A&D projects via the following:
● Online support request form: (http://www.siemens.com/automation/support-request)
Service & Support on the Internet
In addition to our documentation, we offer a comprehensive online knowledge base on the
Internet at:
Industry Automation and Drive Technologies - Homepage
(http://www.siemens.com/automation/service&support)
There you will find the following information, for example:
● The newsletter that provides up-to-date information on your products.
● The documents you need via our Search function in Service & Support.
● A forum for global information exchange by users and specialists.
● Your local partner for Automation and Drives.
● Information about on-site service, repairs, and spare parts. Much more can be found
under "Services".
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01 5
Table of contents
Preface ...................................................................................................................................................... 3
1 Product Overview ...................................................................................................................................... 9
1.1 Properties.....................................................................................................................................10
1.2 Areas of application of the FM 350-1...........................................................................................13
1.3 The FM 350-1 hardware ..............................................................................................................15
1.4 The software of the FM 350-1......................................................................................................18
2 Installing and removing FM 350-1............................................................................................................ 19
2.1 Preparing for installation ..............................................................................................................20
2.2 Installation of the FM 350-1 .........................................................................................................21
2.3 Removing FM 350-1 ....................................................................................................................23
3 Wiring the FM 350-1 ................................................................................................................................ 25
3.1 Pin assignments of the front connector .......................................................................................26
3.2 Wiring front connectors................................................................................................................31
3.3 Module status after power on.......................................................................................................34
4 Programming FM 350-1........................................................................................................................... 35
4.1 Installing Parameterization Interfaces..........................................................................................36
4.2 Starting Parameterization Interfaces ...........................................................................................37
5 Programming the FM 350-1..................................................................................................................... 39
5.1 Data exchange between the user program and FM 350-1..........................................................40
5.2 The function FC CNT_CTL1 (FC 2) .............................................................................................41
5.3 The FC CNT_CTL2 function (FC 3) .............................................................................................48
5.4 The FC DIAG_INF function (FC 1)...............................................................................................49
5.5 Application example.....................................................................................................................50
5.6 Technical specifications of the blocks..........................................................................................53
5.7 Programming FM 350-1 without FCs...........................................................................................54
5.7.1 Control interface for the count modes..........................................................................................54
5.7.2 Checkback interface for count modes .........................................................................................58
5.7.3 Control interface for measuring modes........................................................................................62
5.7.4 Checkback interface for the measuring modes ...........................................................................65
5.7.5 Operating the interface with full acknowledgement principle.......................................................68
5.7.6 Restart coordination.....................................................................................................................72
5.8 Reaction to CPU STOP and CPU STOP to RUN........................................................................73
Table of contents
FM 350-1 Counter module
6 Manual, 05/2011, A5E03648639-01
6 Commissioning FM 350-1........................................................................................................................ 75
6.1 Working steps for mechanical installation................................................................................... 76
6.2 Procedure for assigning parameters........................................................................................... 78
7 Operating Modes, parameters and commands........................................................................................ 83
7.1 Basics on calling operating modes, settings and commands ..................................................... 84
7.2 Isynchronous mode..................................................................................................................... 85
7.3 Count modes............................................................................................................................... 86
7.3.1 Overview of the count modes...................................................................................................... 86
7.3.2 Basic principles ........................................................................................................................... 87
7.3.3 Endless counting......................................................................................................................... 90
7.3.4 Single counting............................................................................................................................ 93
7.3.5 Cyclic count................................................................................................................................. 98
7.3.6 Counting range.......................................................................................................................... 103
7.3.7 Command: Open and close gate .............................................................................................. 104
7.3.8 Behavior of the Digital Outputs ................................................................................................. 109
7.3.9 Hysteresis.................................................................................................................................. 117
7.3.10 Command: Setting the counter ................................................................................................. 120
7.3.11 Command: Latch / retrigger ...................................................................................................... 127
7.3.12 Command: Latch....................................................................................................................... 130
7.3.13 Command: Measure edge intervals.......................................................................................... 133
7.4 Measuring modes...................................................................................................................... 134
7.4.1 Overview of measuring modes.................................................................................................. 134
7.4.2 Basics........................................................................................................................................ 135
7.4.3 Frequency measuring ............................................................................................................... 140
7.4.4 Speed capture........................................................................................................................... 143
7.4.5 Period measurement................................................................................................................. 146
7.4.6 Command: Open and close gate .............................................................................................. 149
7.4.7 Behavior of the Digital Outputs ................................................................................................. 153
7.5 Triggering of a Hardware Interrupt............................................................................................ 156
8 Encoder signals and their evaluation ..................................................................................................... 159
8.1 Encoders which can be connected ........................................................................................... 160
8.2 5-V differential signals............................................................................................................... 161
8.3 24-V signals .............................................................................................................................. 163
8.4 Signal evaluation....................................................................................................................... 166
9 DB assignments..................................................................................................................................... 169
10 Errors and diagnostics ........................................................................................................................... 175
10.1 Error Display via the Group Error LEDs.................................................................................... 176
10.2 Triggering diagnostics interrupts............................................................................................... 177
10.3 Data error .................................................................................................................................. 180
10.4 Operator error ........................................................................................................................... 182
Table of contents
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01 7
11 Technical data ....................................................................................................................................... 183
11.1 General technical specifications ................................................................................................183
11.2 Technical data............................................................................................................................184
12 Replacement parts................................................................................................................................. 187
13 References ............................................................................................................................................ 189
Glossary ................................................................................................................................................ 191
Index...................................................................................................................................................... 195
Table of contents
FM 350-1 Counter module
8 Manual, 05/2011, A5E03648639-01
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01 9
Product Overview 1
Chapter overview
This chapter provides an overview of the FM 350-1 function module.
● You get to know the properties of FM 350-1.
● Examples demonstrate various applications of FM 350-1.
● You will learn how the FM 350-1 is integrated into the S7-300 automation system, and
familiarize yourself with the vital components of FM 350-1.
Product Overview
1.1 Properties
FM 350-1 Counter module
10 Manual, 05/2011, A5E03648639-01
1.1 Properties
Properties
The FM 350-1 function module is a high-speed counter module for use in the S7-300
programmable controller. There is one counter on the module that can operate alternatively
in the following ranges:
● 0 to +32 bit:
0 to 4 294 967 295 (0 to 232 – 1)
● -31 to +31 Bit:
–2 147 483 648 to + 2 147 483 647 (–231 to 231 – 1)
The maximum input frequency of the counter signals is up to 500 kHz depending on the
encoder signal.
The FM 350-1 can be used for the following tasks:
● Continuous counting
● Single counting
● Periodic counting
● Frequency measurement
● Speed measurement
● Period measurement
You can start and stop each mode either via the user program (software gate) or via external
signals (hardware gate).
Comparison Values
You can store two comparison values on the module assigned to the two relevant outputs on
the module. If the counter status reaches one of the two comparison values, the relevant
output can be set to initiate control actions direct in the process.
Load value
You can specify a value on the FM 350-1 from which it should begin counting. This value is
the load value. Any value within the count limits can be set for the load value.
Hardware Interrupts
The FM 350-1 can trigger a hardware interrupt in the CPU if the comparison values are
reached, or in the case of overflow, underflow and/or a zero crossing of the counter.
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