Siemens SIMATIC NET CP 343-1 User manual

SIMATIC NET
S7-CPs for Industrial Ethernet
Manual Part B3L
CP 343-1 Lean
6GK7 343−1CX10−0XE0 as of hardware version 2, as of firmware version V2.0
for SIMATIC S7−300 / C7−300
Release 03/2007
C79000-G8976-C198-04
TP port:
2 x 8−pin RJ−45 socket
(beneath the front panel)
LED displays
X = Placeholder for hardware
version

Notes on the Product
B3L−2CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
Notes on the Product
Product Names
This description contains information on the following product
SCP 343−1 Lean
Order number 6GK7 343−1CX10−0XE0
as of hardware version 2 and firmware version V2.0
for SIMATIC S7−300 / C7−300
Note
In this document, the term CP is used instead of the full product name.
Printed Product Information Supplied with the Product
Note
All the notices in the Product Information Bulletin shipped with this device must
be adhered to.
Compatibility with the Previous Version
Note
Due to the increased functionality and restrictions, pay particular attention to
the notes in Chapter 8 of this manual.
Address label: Unique MAC address preset for the CP
The CP ships with a factory-set MAC address.
To ensure a unique address assignment, we recommend that you use this factory
set MAC address when configuring the module!
-

Contents
B3L−3
CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
Contents
Contents −Part A
Ethernet CPs −General information see general part. . . . . . . . . . . . . . . . . . .
Note
Please remember that Part A of the device manual also belongs to the description
of the CP. Among other things, it contains explanations of the safety notices and
general information that applies to all S7 CPs for Industrial Ethernet.
You will find the references in this Part B of the manual /.../ in the Appendix of the
general Part A of the manual.
The following version of the manual Part A of the manual belongs to this version of
Part B: Release 01/2007
You can download the general Part from the Internet:
http://www4.ad.siemens.de/view/cs/en/8777865
Contents −Part B3L
1 Properties / Services B3L−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Requirements for Use B3L−8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Installation and Commissioning B3L−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Procedure / Steps B3L−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Displays B3L−14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Performance Data B3L−17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Number of Possible Connections over Ethernet B3L−17. . . . . . . . . . . . . . . . . . .
5.2 Characteristic Data for S7 Communication B3L−17. . . . . . . . . . . . . . . . . . . . . . .
5.3 Characteristics of the SEND/RECEIVE Interface B3L−18. . . . . . . . . . . . . . . . .
5.4 Characteristic Data for PROFINET IO B3L−19. . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Configuring and Programming the CP as a PROFINET IO Device B3L−20. . . . . . . . . .
6.1 Overview of the Preparatory Steps B3L−20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Principle of Data Exchange over PROFINET IO B3L−21. . . . . . . . . . . . . . . . . .
6.3 Configuration B3L−22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.3.1 Installing the CP and Specifying it as PROFINET IO Device B3L−22. . . . . . . .
6.3.2 Assigning the PROFINET IO Device to a PROFINET IO Controller B3L−24. .
6.4 Programming B3L−27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.1 Interface for Programming on the PROFINET IO Device B3L−27. . . . . . . . . . .

Contents
B3L−4CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
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6.4.2 Initialization and Configuration B3L−28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.5 Example of Configuration and Programming B3L−30. . . . . . . . . . . . . . . . . . . . .
7 Web Diagnostics B3L−33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1 Requirements and Use B3L−33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 Diagnostics Pages of the CP B3L−34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.1 Start Page B3L−35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.2 Identification B3L−36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.3 Rack Configuration B3L−37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.4 Diagnostic Buffer B3L−39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.5 Industrial Ethernet B3L−40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.6 PROFINET IO B3L−42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Compatibility with Predecessor Products B3L−44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1 Extended Functionality B3L−44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Replacing Older Modules / Replacing Faulty Modules B3L−44. . . . . . . . . . . . .
9 Further Notes on Operation B3L−46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.1 Memory Reset B3L−46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2 Working with Fast Ethernet −automatic switchover B3L−47. . . . . . . . . . . . . . .
9.3 SNMP Agent B3L−49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.4 Possible Security Gaps on Standard IT Interfaces / Preventing
Illegal Access B3L−50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.5 Influence of MPI on Connections via Industrial Ethernet B3L−50. . . . . . . . . . .
9.6 Special Features of IP Configuration B3L−51. . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.7 Reserved Port Numbers B3L−51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.8 Restart after Detection of a Duplicate IP Address in the Network B3L−52. . . .
9.9 Obtaining the IP Address over DHCP −CP STOP on Expiry of
the Lease B3L−52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.10 Other information available about the CP B3L−52. . . . . . . . . . . . . . . . . . . . . . . .
10 How to Load New Firmware B3L−53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 Technical Specifications B3L−54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 Properties / Services
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1 Properties / Services
Application
The CP 343−1 Lean communications processor is designed for operation in a
SIMATIC S7-300 programmable logic controller. It allows attachment of the
S7−300 to Industrial Ethernet and supports PROFINET IO.
A 2-port switch with autocrossing, autonegotiation and autosensing was integrated
in the CP for simple integration in a line or for attaching a further Ethernet device.
Services
The CP supports the following communication services:
SPROFINET IO device
Integration of the SIMATIC S7−300 programmable controller over the CP as
intelligent PROFINET IO device.
SS7 communication and PG/OP communication
−PG functions (including routing)
−Operator control and monitoring functions (HMI)
−Server for data exchange on S7 connections configured at one end only
without communication blocks on the S7-300 / C7-300 station
SS5 compatible communication with
−SEND/RECEIVE interface over ISO-on-TCP, TCP and UDP connections
−Multicast over UDP connection
The multicast mode is made possible by selecting a suitable IP address
when configuring connections.
−FETCH/WRITE services (server; corresponding to S5 protocol) via
ISO-on-TCP connections and TCP connections;
The addressing mode can be configured for FETCH/WRITE access as the
S7 or S5 addressing mode.
−LOCK/UNLOCK with FETCH/WRITE services;

1 Properties / Services
B3L−6CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
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STime-of-day synchronization over Industrial Ethernet using the following
configurable modes:
−SIMATIC mode
The CP receives MMS time frames and synchronizes its local time and the
time of the CPU (accuracy approx. +/−1 second);
or
−NTP mode (NTP: Network Time Protocol)
The CP sends time-of-day queries at regular intervals to an NTP server and
synchronizes its local time of day and the time of the CPU (accuracy approx.
+/−1 second).
STime of day for the diagnostic buffer
If a time master exists (using the NTP or SIMATIC mode), the time for the
CP-internal diagnostic buffer is synchronized over the LAN (accuracy approx.
+/−10 ms)
SAddressing using a factory-set MAC address
The CP can be reached over the default MAC address to allow an IP address to
be assigned.
SSNMP Agent
The CP supports data queries over SNMP in version V1 (Simple Network
Management Protocol) according to the MIB II and LLDP MIB standard.
You will find more information on MIB in the manual “Commissioning PC
Stations” on the SIMATIC NET Manual Collection or at the following
SIMATIC NET Internet page:
http://support.automation.siemens.com/WW/view/en/15177711
SIP configuration
You can configure how and with which method the CP is assigned the IP
address, the subnet mask and the address of a default router.
It is also possible, as an alternative, to assign the connection configuration to
the CP using STEP 7 or using a block interface in the user program (FB55:
IP_CONFIG) (see /Part A/).
SWeb diagnostics
With the aid of Web diagnostics, you can read out the diagnostic data from a
station connected over the CP to a PG/PC with an Internet browser.

1 Properties / Services
B3L−7
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Configuration
It is possible to download the configuration data to the CP over MPI or
LAN/Industrial Ethernet. You require STEP 7 with NCM S7 for Industrial Ethernet
(NCM IE) with the following version:
Table 1-1
Version STEP 7 / NCM IE Functions of the CP
V5.2 or higher The range of functions of the CP 343−1 Lean (CX00) can be
configured.
V5.4 or higher Requirement for configuring the full functionality of the
CP 343−1 Lean (CX10 with firmware V1.0) including PROFINET
IO.
V5.4 Service Pack 2 *) Requirement for configuring the full functionality of the
CP 343−1 Lean (CX10 with firmware V2.0) including Web
diagnostics.
*) To use the CP with V5.4 Service Pack 1, you will need to install Hotfix 2, the corresponding hardware
update and a block setup. You will find more information at the following Internet page:
http://www4.ad.siemens.de/WW/news/en/24463868
Programming −Using Blocks
For some communications services, there are pre-programmed blocks (FCs/FBs)
available as the interface in your STEP 7 user program.
You will find a detailed description of these blocks in the NCM S7 for Ethernet
manuals.
Notice
We recommend that you always use the latest block versions for all module types.
You will find information on the latest block version and links to download the
current blocks in our Customer Support area on the Internet:
http://www4.ad.siemens.de/WW/news/en/8797900
If you are using older block types, this recommendation only applies if you also
have the latest firmware version.
You will find further information and Internet addresses in the Preface of the
General Part of this manual.

2 Requirements for Use
B3L−8CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
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2 Requirements for Use
General Operation
The CP can be operated in the following device families:
SS7−300 stations with the CPU types
−Standard
−Compact
−Modular
SC7 control systems in C7 packaging system
The following tables show the devices with which the CP can be operated with this
range of functions:
Notice
The tables list the CPUs and devices approved at the time of printing this manual.
S7-300 CPUs or C7 or C7 control systems approved later and not listed in the
table also support the range of functions described here.
Table 2-1 Use of the CP with S7−300
CPU Order Number
CPU 312 6ES7 312−1AD10−0AB0
6ES7 312−1AE13−0AB0
CPU 312C 6ES7 312−5BD01−0AB0
6ES7 312−5BE03−0AB0
CPU 312 IFM 6ES7 312−5AC02−0AB0
CPU 313 6ES7 313−1AD03−0AB0
CPU 313C 6ES7 313−5BE00−0AB0
6ES7 313−5BE01−0AB0
6ES7 313−5BF03−0AB0
CPU 313C−2 DP 6ES7 313−6CE00−0AB0
6ES7 313−6CE01−0AB0
6ES7 313−6CF03−0AB0
CPU 313C−2 PtP 6ES7 313−6BE00−0AB0
6ES7 313−6BE01−0AB0
6ES7 313−6BF03−0AB0
CPU 314 6ES7 314−6AE01−0AB0
6ES7 314−6AE02−0AB0
6ES7 314−6AE03−0AB0
6ES7 314−6AE04−0AB0
6ES7 314−1AF10−0AB0
6ES7 314−1AF11−0AB0
6ES7 314−1AG13−0AB0

2 Requirements for Use
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Table 2-1 Use of the CP with S7−300
CPU Order Number
CPU 314 IFM 6ES7 314−5AE03−0AB0
6ES7 314−5AE10−0AB0
CPU 314C−2 DP 6ES7 314−6CF00−0AB0
6ES7 314−6CF02−0AB0
6ES7 314−6CG03−0AB0
CPU 314C−2 PtP 6ES7 314−6BF00−0AB0
6ES7 314−6BF01−0AB0
6ES7 314−6BF02−0AB0
6ES7 314−6BG03−0AB0
CPU 315 6ES7 315−1AF03−0AB0
CPU 315−2 DP 6ES7 315−2AF03−0AB0
6ES7 315−2AG10−0AB0
CPU 315−2 PN/DP 6ES7 315−2EG10−0AB0
6ES7 315−2EH13−0AB0
CPU 315F−2 DP 6ES7 315−6FF01−0AB0
CPU 315F−2 PN/DP 6ES7 315−2FH10−0AB0
6ES7 315−2FH13−0AB0
CPU 316 6ES7 316−1AG00−0AB0
CPU 316−2 DP 6ES7 316−2AG00−0AB0
CPU 317−2 DP 6ES7 317−2AJ10−0AB0
CPU 317−2 PN/DP 6ES7 317−2EJ10−0AB0
6ES7 317−2EK13−0AB0
CPU 317F−2 DP 6ES7 317−6FF00−0AB0
6ES7 317−6FF03−0AB0
CPU 317F−2 PN/DP 6ES7 317−2FJ10−0AB0
6ES7 317−2FK13−0AB0
CPU 318−26ES7 318−2AJ00−0AB0
CPU 319−3 PN/DP 6ES7 318−3EL00−0AB0
CPU 614 6ES7 614−1AH03−0AB3

2 Requirements for Use
B3L−10 CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
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Table 2-2 Use of the CP in C7 Control Systems
C7 Order Number
C7−613 6ES7 613−1CA01−0AE03
6ES7 613−1CA02−0AE3
C7−633 DP 6ES7 633−2BF02−0AE03
C7−635 Keys 6ES7 635−2EC01−0AE3
6ES7 635−2EC02−0AE3
C7−635 Touch 6ES7 635−2EB01−0AE03
6ES7 635−2EB02−0AE3
C7−636 Keys 6ES7 636−2EC00−0AE03
6ES7 636−2EC00−0AE3
C7−636 Touch 6ES7 636−2EB00−0AE3

3 Installation and Commissioning
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3 Installation and Commissioning
3.1 Procedure / Steps
Step Explanation / Meaning
1. Install the CP on the S7 standard rail.
2. Establish the connection via the enclosed bus
connector to the backplane bus.
Slots 4 to 11 are permitted for the CP in racks 0 to 3
(connected by IM 360/361).
Proceed as in the sections dealing with setup and
wiring, described in detail in /1/.
Note
The CP cannot be used in an extension rack that is connected via the IM 365! Reason: The required
communication bus is not connected to the extension rack via the IM 365.
3. Connect the CP to the power supply. Follow the steps as described in detail in /1/ when
wiring between the power supply and the CPU.
Notes
SThe CPU, CP and IM (if one exists) must be connected to the same power supply.
SOnly wire up the S7-300 / C7-300 with the power switched off!
4. Attach the CP to Industrial Ethernet.
5. The remaining steps in commissioning involve
downloading the configuration data.
To download the configuration, you can connect
the PG as follows:
Svia MPI
Svia Industrial Ethernet
For further details, refer to the general Part A of
this manual:
−addressing the first time (IP address
assignment / node initialization);
−downloading the defined configuration
The PG/PC requires a LAN attachment, for
example via a CP 1613 or CP 1411 and must have
the necessary software (for example the S7-1613
package or SOFTNET IE). The TCP/IP protocol
must be installed. The protocol used must then be
applied to the S7ONLINE access point.
6. User diagnostics for commissioning and to
analyze problems.
The following options are available:
SThe LED displays on the CP
SHardware diagnostics and troubleshooting with
STEP 7
SCommunication diagnostics with STEP 7 / NCM
Diagnostics
SStandard information using HW Config
SWeb diagnostics
SIf applicable, evaluation of the alarm block
FB54 in the user program

3 Installation and Commissioning
B3L−12 CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
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Slider for setting
the chassis
ground contact
Attachment to Industrial
Ethernet:
2 x 8-pin RJ-45 jack
Figure 3-1 Connectors of a CP 343−1 Lean with the Front Panel Open
Ground/Chassis Ground Concept
Notice
Please note the instructions regarding the grounding and chassis ground concept
in the SIMATIC S7 installation guides; see “SIMATIC S7 Programmable Controller
S7−300 −Installation and Hardware: Installation Manual” /1/.
Behind the hinged panel on the left of the device, you will see a slider with which
you can connect or disconnect the chassis ground of the 24 V power supply with
reference ground.
SSlider pushed in: chassis and reference ground connected (note: the slider
must be felt to lock in place).
SSlider pulled out: No connection between chassis and reference ground.
When shipped: Slider pushed in
Use a screwdriver to set the slider.
Note
An Ethernet cable can also be inserted and removed with the power supply on.

3 Installation and Commissioning
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Note
The hinged front panel must be kept closed during operation.
The module must be installed so that its upper and lower ventilation slits are not
covered, allowing adequate ventilation.
!Warning
When used under hazardous conditions (zone 2), the devices must be installed in
an enclosure.
To comply with ATEX100a (EN 60079−15), this enclosure must meet the
requirements of at least IP54 in compliance with EN 60529.
WARNING −EXPLOSION HAZARD: DO NOT DISCONNECT EQUIPMENT
WHEN A FLAMMABLE OR COMBUSTIBLE ATMOSPHERE IS PRESENT.
!Warning
The device is designed for operation with safety extra-low voltage (SELV). This
means that only safety extra-low voltages (SELV) complying with
IEC950/EN60950/ VDE0805 may be connected to the power supply terminals.
The power unit for supplying the device must comply with NEC Class 2 as
described by the National Electrical Code(r) (ANSI/NFPA 70).
The power of all connected power units in total must correspond to a limited power
source (LPS).

4 Displays
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4 Displays
The display on the front panel consists of 8 LEDs that indicate the operating mode
and the communication status.
Front panel: SF
BF
RX/TX
RUN
STOP
P1
P2
DC5V
The LEDs have the following meaning:
SSF: Group error
SBF: Bus fault PROFINET IO
SDCV5: DC 5 V power supply via the backplane bus (green = OK)
SRX/TX: Acyclic data exchange, for example Send/Receive
(not relevant for PROFINET IO data)
SRUN: RUN mode
SSTOP: STOP mode
SP1 / P2: Link status of Ethernet port 1 / port 2

4 Displays
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LEDs for displaying the mode
The different combinations of the LEDs on the front panel indicate the status:
SF(red) BF (red) RUN
(green)
STOP
(yellow)
CP Operating Mode
−
SStarting up after power “ON”
or
SStopped (STOP) with errors
In this state, the CPU or intelligent
modules in the rack remain accessible
using PG functions.
Starting up (STOP->RUN)
Running (RUN)
Stopping (RUN->STOP)
Stopped (STOP)
In the STOP mode configuring and performing
diagnostics on the CP remain possible.
− − − SNo LAN cable plugged in
or
SDuplicate IP address detected
−−−The CP is configured as a PROFINET IO
device; there is no data exchange with the
PROFINET IO controller
Module fault / system error
Downloading firmware.
Firmware was successfully downloaded.
Firmware could not be downloaded.
Legend: (colored) on off (colored) flashing “−” any

4 Displays
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LEDs for displaying the CP communication status
In addition to the LEDs that signal the CP state, the following LEDs provide
information about the status of the CP interface to Industrial Ethernet.
Table 4-1
LED Display Meaning
RX/TX (green) The CP is sending/receiving over Industrial
Ethernet
Note:
Sending / receiving over PROFINET IO is
not signaled here.
P1 / P2
(green / yellow)
Port has no connection to
Industrial Ethernet.
green Existing connection over port to
Industrial Ethernet (LINK status).
green /
yellow
LED flashes yellow (constant light green):
Port sending/receiving over
Industrial Ethernet or PROFINET IO.
Note:
All received / sent frames are signaled for
each specific port including those simply
forwarded by the switch.
P1 / P2
(green / yellow)
yellow Continuous data transfer at the port over
Industrial Ethernet (for example
PROFINET IO).
Legend: (colored) on off (colored) flashing “−” any

5 Performance Data
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5 Performance Data
5.1 Number of Possible Connections over Ethernet
Table 5-1
Characteristic Explanation / Values
Permitted number of simultaneous connections in
total over Industrial Ethernet
12 maximum
Example of Maximum Load
You can operate:
4 S7 connections
4 ISO-on-TCP connections
2 TCP connections
2 UDP connections
Also:
SFurther TCP connections for Web diagnostics
S1 PROFINET connection to a PROFINET IO controller
5.2 Characteristic Data for S7 Communication
Table 5-2
Characteristic Explanation / Values
Number of connections for S7 communication on
Industrial Ethernet for
SOperator control and monitoring functions (HMI)
SS7 connections configured at one end
4 maximum
(the number depends on the CPU type being used.
Please refer to /1/ for the values for your CPU.)
LAN interface −data record length per protocol unit
Ssending
Sreceiving 240 bytes / PDU
240 bytes / PDU

5 Performance Data
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5.3 Characteristics of the SEND/RECEIVE Interface
Table 5-3
Characteristic Explanation / Values
Number of ISO-on-TCP connections +TCP
connections +UDP connections in total
8 maximum
Notes:
SAll UDP connections are also possible in the
multicast mode
SFree UDP connections are supported by the
CP.
Max. data length for blocks AG_SEND (V4.0 and
higher) and AG_RECV (V4.0 and higher)
AG_SEND and AG_RECV allow the transfer of
data fields of between 1 and 240 bytes.
S1 to 8192 bytes for ISO-on-TCP, TCP;
S1 to 2048 bytes for UDP
Restrictions for UDP
STransfer is not confirmed The transmission of UDP frames is unconfirmed, in
other words the loss of messages is not detected
or displayed by the send blocks (AG_SEND).
SData field length The maximum length of the data fields is 2048
bytes.
SNo reception of UDP broadcast To avoid communication overload resulting from a
high broadcast load, the CP does not permit
reception of UDP broadcast.
Execution Times of the FCs AG_SEND / AG_RECV
To calculate the CPU cycle times (OB1) with SEND/RECEIVE connections, the
execution time for the FCs (FC AG_SEND, FC AG_RECV) required for processing
on the S7−300 / C7−300 CPU is the decisive factor.
Table 5-4
Component Explanation / Values
Execution time on the CPU
315−2 DP
(6ES7 315−2EG10−0AB0)
per AG_SEND block call:
S<1 ms at <= 240 bytes
per AG_RECV block call:
S<1 ms at <= 240 bytes
Execution time on the CPU
317−2 PN/DP
(6ES7 317−2EJ10−0AB0)
per AG_SEND block call:
S<0.8 ms at <= 240 bytes
per AG_RECV block call:
S<0.8 ms at <= 240 bytes

5 Performance Data
B3L−19
CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
5.4 Characteristic Data for PROFINET IO
CP as PROFINET IO device
The CP supports the following maximum configuration as a PROFINET IO device:
Table 5-5
Characteristic Explanation / Values
Size of the input area of the PROFINET IO device 512 bytes max.
Size of the output area of the PROFINET IO device 512 bytes max.
Size of the IO data area per submodule in a PROFINET IO device
SInputs
SOutputs
240 bytes
240 bytes
Size of the consistency area for a submodule 240 bytes
Maximum number of submodules 32
Execution times of the FCs PNIO_SEND / PNIO_RECV
The calculation of the reaction times with PROFINET IO is determined by the
execution time of the function blocks required on the S7-300 CPU (PNIO_SEND,
PNIO_RECV).
Table 5-6
Component Explanation / Values
Execution time on the CPU
315−2DP
(6ES7 315−2EG10−0AB0)
per PNIO_SEND block call:
S< 1 ms at 240 bytes
per PNIO_RECV block call:
S< 1 ms at 240 bytes
Execution time on the CPU
317−2PN/DP
(6ES7 317−2EJ10−0AB0)
per PNIO_SEND block call:
S< 0.8 ms at 240 bytes
per PNIO_RECV block call:
S< 0.8 ms at 240 bytes

6 Configuring and Programming the CP as a PROFINET IO Device
B3L−20 CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
6 Configuring and Programming the CP as a
PROFINET IO Device
“Intelligent” PROFINET IO Device
A CP 343−1 Lean can be configured so that the SIMATIC 300 station can be
addressed as a PROFINET IO device. Due to the programmability of SIMATIC 300
stations, they are also known as “intelligent” PROFINET IO devices because:
Process data can be processed before it is forwarded to the PROFINET IO
controller or after it has been received from it and output to the process I/O.
In the following sections, the name “PROFINET IO device” also refers to the CP
located in the S7 station and configured as a PROFINET IO device.
6.1 Overview of the Preparatory Steps
The following steps are necessary to operate the SIMATIC 300 station with the
CP as a PROFINET IO device:
Write the user program for the PROFINET IO
device SIMATIC S7 and download it to the
SIMATIC S7 CPU. See Section 6.4
Configure the CP as PROFINET IO device for
data exchange over PROFINET IO. See Section
6.3
Communication diagnostics (for example
if problems occur during communication)
Commission and test the PROFINET
IO controller and PROFINET IO
device
Configuration Programming
Commissioning