
Embedded controller
SIMATIC S7-modular embedded controller
EC31
7/6
Siemens ST 70 · 2011
■
Technical specifications (continued)
Communication
functions
PG/OP communi-
cation
Yes Yes Yes Yes Yes
Global data commu-
nication
• supported No No No No No
S7 basic communi-
cation
• supported No No No No No
S7 communication
• supported Yes Yes Yes Yes Yes
• as server Yes Yes Yes Yes Yes
• as client Yes Yes Yes Yes Yes
Open IE communi-
cation
•TCP/IP Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
-Number of
connections,
max.
32 32 32 32 32
- Data length, max. 8192byte
• ISO-on-TCP
(RFC1006)
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
No Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
-Number of
connections,
max.
32 32 32 32
• UDP Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
Yes; Via integ-
rated PROFINET
interface (X1) and
loadable FBs
-Number of
connections,
max.
32 32 32 32 32
- Data length, max.
1472byte
Number of connec-
tions
•overall 64 64 64 64 64
• usable for PG
communication
- reserved for PG
communication
1 1 1 1 1
• usable for OP
communication
- reserved for OP
communication
1 1 1 1 1
1st interface
Type of interface PROFINET PROFINET PROFINET PROFINET PROFINET
Physics
2x RJ45 2x RJ45 2x RJ45 2x RJ45 2x RJ45
automatic detection
of transmission
speed
Yes Yes Yes Yes Yes
Autonegotiation
Yes Yes Yes Yes Yes
Autocrossing Yes Yes Yes Yes Yes
Number of
connection
resources
32 32 32 32 32
6ES7 677-1DD10-
0BA0
6ES7 677-1DD10-
0BB0
6ES7 677-1FD00-
0FB0
6ES7 677-1DD10-
0BF0
6ES7 677-1DD10-
0BG0
6ES7 677-1DD10-
0BH0
© Siemens AG 2011
© Siemens AG 2011
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