Siemens CPU 31 Series Technical Data Manual page 188

Technical data of CPU 31x
7.5 CPU 315-2 PN/DP
Technical data
Test and startup functions
Status/control variables
•
•
Force
•
•
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
•
•
•
S5compatible communication
Number of connections
Can be used for
•
7-22
Variables
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
Sender
–
Receiver
–
Size of GD packets
Consistent data
–
User data per job
Consistent data
–
As server
As client
User data per job
Consistent data
–
PG communication
Reserved (default)
–
Configurable
–
Yes
Inputs, outputs, memory bits, DBs, timers,
counters
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
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)
16
Max. 15
1
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CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
Common