Siemens Simatic S7-400 - Page 163

Technical specifications
10.1 Technical Specification of the CPU 414-3 PN/DP; (6ES7414-3EM05-0AB0)
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
10-7
CPU and firmware version
Communication
PG/OP communication Yes
Number of connectable OPs 31 with message processing
Alarm S/SQ, Alarm D/DQ
Number of connection resources for S7
connections via all interfaces and CPs
32, with one each of those reserved for
programming device and OP
Global data communication Yes
• Number of GD circuits
Max. 8
• Number of GD packets
– Transmitters
– Receiving stations
Max. 8
Max. 16
• Size of GD packets
– Of which consistent
Max. 64 bytes
1 variable
S7 basic communication Yes
• MPI Mode
Via SFC X_SEND, X_RCV, X_GET and X_PUT
• DP Master Mode
Via SFC I_GET and I_PUT
• User data per job
– Of which consistent
Max. 76 bytes
1 variable
S7 communication Yes
• User data per job
– Of which consistent
Max. 64 KB
1 variable (462 bytes)
S5-compatible communication Via FC AG_SEND and AG_RECV, max. via 10
CP 443-1 or 443-5)
• User data per job
– Of which consistent
Max. 8 KB
240 bytes
Standard communication (FMS) Yes (via CP and loadable FBs)
Web Server Yes
Open IE communication via TCP/IP
Number of connections / access points, total max. 30
TCP/IP Yes (via integrated PROFINET interface and
loadable FBs)
• Maximum number of
connections
30
• Data length, max.
32767 bytes
ISO on TCP Yes (via integrated PROFINET interface or CP
443-1 EX41 and loadable FBs)
• Maximum number of
connections
30
• Max. data length via integrated
PROFINET interface
32767 bytes
• Max. data length via CP 443-1
EX41
1452 bytes
UDP
• Maximum number of
connections
30