Table of contents
CP 343-1 ERPC
6 Manual, 03/2010, C79000-G8976-C239-02
6.3.1 Overview of ERPC configuration ................................................................................................ 47
6.3.2 Basic configuration in STEP 7..................................................................................................... 49
6.3.3
Configuration of the symbol table and the ERPC symbols......................................................... 49
6.3.4
Configuration of FB56 ................................................................................................................. 52
6.4
Downloading ERPC configuration data....................................................................................... 52
6.5
Diagnostics of the ERPC functions ............................................................................................. 53
7
The CP as Web server ............................................................................................................................ 55
8
Further notes on operation....................................................................................................................... 57
8.1
Clear/reset and reset................................................................................................................... 57
8.2
Network settings with Fast Ethernet / gigabit Ethernet............................................................... 58
8.2.1
Fast Ethernet............................................................................................................................... 58
8.2.2
Gigabit Ethernet .......................................................................................................................... 60
8.3
Influence of MPI on connections via Industrial Ethernet............................................................. 61
8.4
IP configuration ........................................................................................................................... 61
8.4.1
Configured S7 connections cannot be operated if the IP address is assigned over DHCP....... 61
8.4.2
Detection of double IP addressing in the network ...................................................................... 62
8.4.3
Obtain IP address vie DHCP: CP STOP on expiry of the lease ................................................. 62
8.5
Setting the CPU time of day by the CP....................................................................................... 62
8.6
Time-of-day synchronization....................................................................................................... 63
8.7
SNMP agent................................................................................................................................ 64
8.8
Possible security holes: Prevent unauthorized access............................................................... 66
8.9
Interface in the user program...................................................................................................... 67
8.9.1
Programmed communication connections with FB55 IP_CONFIG ............................................ 67
8.9.2
IP access protection with programmed communication connections ......................................... 67
8.9.3
Programmed communications connections - Assigning parameters to the port ........................ 67
9
How to load new firmware........................................................................................................................ 69
9.1
Firmware overview ...................................................................................................................... 69
9.2
Downloading the ERPC firmware ............................................................................................... 69
9.3
Downloading Siemens firmware ................................................................................................. 70
10
Technical specifications........................................................................................................................... 71
11
Other information available about the CP ................................................................................................ 73
A
Approvals................................................................................................................................................. 75
B
Training, Service & Support..................................................................................................................... 77
C
References .............................................................................................................................................. 79
D
Error messages of the ERPC application................................................................................................. 83
Glossary .................................................................................................................................................. 85
Index........................................................................................................................................................ 95
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