SIEMENS
2/473
Siemens IK PI · 2015
PROFINET/Industrial Ethernet
Controllers / Modular controllers / SIMATIC S7-300
Compact CPUs
2
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Overview CPU 314C-2 PN/DP
•
The compact CPU with integral digital and analog inputs/
outputs and technological functions
•
High processing performance in binary and floating-point
arithmetic
•
For connecting distributed I/O via PROFIBUS and PROFINET
•
Combined MPI/PROFIBUS DP master/slave interface
•
PROFINET interface with 2-port switch
•
PROFINET IO Controller for operating distributed I/O on
PROFINET
•
PROFINET I-Device for connecting the CPU as intelligent
PROFINET device under a SIMATIC or third-party PROFINET
I/O controller
•
Component based Automation (CBA) on PROFINET
•
PROFINET proxy for intelligent devices on PROFIBUS DP in
Component based Automation (CBA)
•
Integrated Web server with the option of creating user-defined
web pages
•
Isochronous mode on PROFINET
SIMATIC Micro Memory Card required for operation of CPU.
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Technical specifications
CPU 314C-2 PN/DP
6ES7314-6EH04-0AB0
General information
Hardware product version
01
Firmware version
V3.3
Supply voltage
24 V DC
Yes
Power losses
Power loss, typ.
14 W
Memory
Work memory
• integrated
192 kbyte
• expandable
No
•
Size of retentive memory for retentive
data blocks
64 kbyte
Load memory
• pluggable (MMC), max.
8 Mbyte
CPU processing times
for bit operations, typ.
0.06 μs
for word operations, typ.
0.12 μs
for fixed point arithmetic, typ.
0.16 μs
for floating point arithmetic, typ.
0.59 μs
Counters, timers and their retentivity
S7 counter
• Number
256
IEC counter
• present
Yes
S7 times
• Number
256
IEC timer
• present
Yes
Data areas and their retentivity
Flag
• Number, max.
256 byte
Address area
I/O address area
• Inputs
2 048 byte
• Outputs
2 048 byte
Process image
• Inputs, adjustable
2 048 byte
• Outputs, adjustable
2 048 byte
Time of day
Clock
• Hardware clock (real-time clock)
Yes
Operating hours counter
• Number
1
Digital inputs
integrated channels (DI)
24
Digital outputs
integrated channels (DO)
16
Analog inputs
Integrated channels (AI)
5; 4 x current/voltage, 1 x resistance
Input ranges
• Voltage
Yes;
±10 V / 100 k
; 0 V to 10 V / 100 k
• Current
Yes;
±20 mA / 100
; 0 mA to 20 mA /
100
; 4 mA to 20 mA / 100
• Resistance thermometer
Yes;
Pt 100 / 10 M
• Resistance
Yes;
0
to 600
/ 10 M
Analog outputs
Integrated channels (AO)
2
Output ranges, voltage
• 0 to 10 V
Yes
• -10 to +10 V
Yes
Output ranges, current
• 0 to 20 mA
Yes
• -20 to +20 mA
Yes
• 4 to 20 mA
Yes
1st interface
Interface type
Integrated RS 485 interface
Physics
RS 485
Functionality
• MPI
Yes
• DP master
Yes
• DP slave
Yes
• Point-to-point connection
No
DP master
• Number of DP slaves, max.
124
CPU 314C-2 PN/DP
6ES7314-6EH04-0AB0
© Siemens AG 2014