Siemens Simatic S7-300 Technical Data Manual page 202

Technical data of CPU 31x
7.7 CPU 317-2 PN/DP
Technical data
•
Forcing
•
•
Block status
Single step
Breakpoints
Diagnostic buffer
•
Communication functions
Open IE communication via TCP/IP
PG/OP communication
Global data communication
•
•
•
S7 basic communication
•
S7 communication
•
•
•
S5-compatible communication
Number of connections
can be used for
•
•
•
7-36
Number of variables
Of those as status variable
–
Of those as control variable
–
Variables
Number of variables
Number of entries (not configurable)
Number of GD circuits
Number of GD packets
Sending stations
–
Receiving stations
–
Length of GD packets
Consistent data
–
User data per request
Consistent data
–
As server
as client
User data per request
Consistent data
–
PG communication
Reserved (default)
–
Configurable
–
OP communication
Reserved (default)
–
Configurable
–
S7-based communication
Reserved (default)
–
Configurable
–
30
Max. 30
Max. 14
Inputs/Outputs
Max. 10
Yes
Yes
2
Yes
Max. 100
Yes (via integrated PROFINET interface and
loadable FBs, max. 8 connections)
Yes
8
Max. 8
Max. 8
Max. 8
max. 22 bytes
22 bytes
Yes
max. 76 bytes
76 bytes
Yes
Yes
Yes (via integrated PN interface and loadable
FBs, or even via CP and loadable FBs)
See the STEP 7 Online Help,
parameters of SFBs/FBs and SFC/FC of the S7
communication)
Yes (via CP and loadable FCs)
32
Max. 31
1
1 to 31
Max. 31
1
1 to 31
Max. 30
0
0 to 30
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
Common