Siemens SIMATIC S7-300 Module data Technical Data Manual

Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-43
Technical data
Analog channels
• Inputs
4096
• Outputs
4096
• Inputs, central
256
• Outputs, central
256
Removal
Racks, Max. 4
Modules per rack, Max. 8
Number of DP masters
• Integrated
2
• Via CP
4
Operable function modules and communication
processors
• FM
8
• CP (PtP)
8
• CP (LAN)
10
Time
Clock
• Hardware clock
Yes
• Buffered
Yes
• Buffered period
Typically 6 weeks (at an ambient temperature of
104 °F)
• Behavior of the clock on expiration of the
buffered period
The clock keeps running, continuing at the time-
of-day it had when power was switched off.
• Behavior of the realtime clock after POWER
ON
The clock continues running after POWER OFF.
• Accuracy
Deviation per day: < 10 s
Operating hours counter
• Number
4
• Number
0 to 3
• Value range
0 to 2
31
hours
(using the SFC 101)
• Granularity
1 hour
• Retentive
Yes; must be manually restarted after every
restart
Time synchronization
• supported
Yes
• In the AS
Master/slave
• On MPI
Master/slave
• on Ethernet via NTP
Yes (as client)
S7 message functions
Number of stations that can be logged on for
signaling functions
32
(depends on the number of connections
configured for PG / OP and S7 basic
communication)

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)