Siemens SIMATIC S7-300 Module data Technical Data Manual

Technical data of CPU 31xC
6.3 CPU 313C
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
6-11
Technical data
Test and startup functions
Status/control variables Yes
• Variables
Inputs, outputs, memories, DBs, timers, counters
• Number of variables
– of those as status variable
– of those as control variable
Max. 30
Max. 30
Max. 14
Force Yes
• Variables
Inputs, outputs
• Number of variables
Max. 10
Block status Yes
Single-step Yes
Breakpoints 2
Diagnostic buffer Yes
• Number of entries (not configurable)
Max. 100
Communication functions
PG/OP communication Yes
Global data communication Yes
• Number of GD circuits
4
• Number of GD packets
– Sender
– Receiver
Max. 4
Max. 4
Max. 4
• Size of GD packets
– Consistent data
Max. 22 bytes
22 bytes
S7 basic communication Yes
• User data per job
– Consistent data
Max. 76 bytes
76 bytes (for X_SEND or X_RCV)
64 bytes (for X_PUT or X_GET as the server)
S7 communication
• As server
Yes
• As client
Yes (via CP and loadable FBs)
• User data per job
– Consistent data
Max. 180 bytes (with PUT/GET)
64 bytes
S5compatible communication Yes (via CP and loadable FCs)
Number of connections Max. 8
Can be used for
• PG communication
– Reserved (default)
– Configurable
Max. 7
1
From 1 to 7
• OP communication
– Reserved (default)
– Configurable
Max. 7
1
From 1 to 7

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)