Siemens CPU 312C - Page 210

Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
CPU 31xC and CPU 31x, Technical Data
7-44 Manual, 01/2006 Edition, A5E00105475-06
Technical data
Process diagnostics messages Yes
• Simultaneously enabled interrupt S blocks
60
Test and startup functions
Status/control variables
• Status/control variables
Yes
• Variables
Inputs, outputs, memory bits, DBs, timers,
counters
• Maximum number of variables
30
• Number of variables
status variables, Max.
30
• Number of variables
control variables, Max.
14
Force
• Force
Yes
• Force, variables
Inputs/outputs
• Force, maximum number of variables
10
Block status Yes
Single-step Yes
Number of breakpoints 2
Diagnostic buffer
• Available
Yes
• Maximum number of entries
100
Communication functions
Open IE communication
Number of connections / access points, total 8
TCP/IP Yes (via integrated PROFINET interface and
loadable FBs)
• Maximum number of connections
8
• Data length for connection type 01
H
, Max.
1460 bytes
• Data length for connection type 11
H
, Max.
8192 bytes
ISO on TCP Yes (via integrated PROFINET interface and
loadable FBs)
• Maximum number of connections
8
• Data length, Max.
8192 bytes
UDP Yes (via integrated PROFINET interface and
loadable FBs)
• Maximum number of connections
8
• Data length, Max.
1472 bytes
PG/OP communication Yes
Routing Yes
Global data communication Yes
• supported
Yes
• Number of GD circuits, Max.
8
• Number of GD packets, Max.
8