SIEMENS
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Siemens IK PI · 2015
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Technical specifications
(continued)
PROFINET/Industrial Ethernet
Controllers / Modular controllers / SIMATIC S7-300
Standard CPUs
Address area
I/O address area
• Inputs
2 048 byte
8 192 byte
8 192 byte
• Outputs
2 048 byte
8 192 byte
8 192 byte
Process image
• Inputs, adjustable
2 048 byte
8 192 byte
8 192 byte
• Outputs, adjustable
2 048 byte
8 192 byte
8 192 byte
Time of day
Clock
• Hardware clock (real-time clock)
Yes
Yes
Yes
Operating hours counter
• Number
1
4
4
1st interface
Interface type
Integrated RS 485 interface
Integrated RS 485 interface
Integrated RS 485 interface
Physics
RS 485
RS 485
RS 485
Functionality
• MPI
Yes
Yes
Yes
• DP master
Yes
Yes
Yes
• DP slave
Yes
Yes
Yes; A DP slave at both interfaces
simultaneously is not possible
• Point-to-point connection
No
No
No
DP master
• Number of DP slaves, max.
124
124
124
2nd interface
Interface type
PROFINET
PROFINET
Integrated RS 485 interface
Physics
Ethernet RJ45
Ethernet RJ45
RS 485
Number of ports
2
2
Functionality
• MPI
No
No
No
• DP master
No
No
Yes
• DP slave
No
No
Yes; A DP slave at both interfaces
simultaneously is not possible
• PROFINET IO Controller
Yes; Also simultaneously
with IO-Device functionality
Yes; Also simultaneously
with IO-Device functionality
No
• PROFINET IO Device
Yes; Also simultaneously
with IO Controller functionality
Yes; Also simultaneously
with IO Controller functionality
No
• PROFINET CBA
Yes
Yes
No
DP master
• Number of DP slaves, max.
124
PROFINET IO Controller
• Max. number of connectable
IO devices for RT
128
128
• Number of IO devices with
IRT and the option "high flexibility"
128
128
• Number of IO Devices with
IRT and the option
"high performance", max.
64
64
3rd interface
Interface type
PROFINET
Physics
Ethernet RJ45
Number of ports
2
Functionality
• MPI
No
• DP master
No
• DP slave
No
• PROFINET IO Controller
Yes; Also simultaneously
with I-Device functionality
• PROFINET IO Device
Yes; Also simultaneously
with IO Controller functionality
• PROFINET CBA
Yes
6ES7315-2EH14-0AB0
6ES7317-2EK14-0AB0
6ES7318-3EL01-0AB0
CPU 315-2 PN/DP
CPU 317-2 PN/DP
CPU 319-3 PN/DP
© Siemens AG 2014