Title: Speicherentwicklung S7-300
1SIMATIC S7-300 Workshop to promote the S7-300
automation platform
2SIMATIC S7 system family
Positioning / Range Innovation
S7-300 Synchronism Roadmap
- S7-400
- High-end and mid performance range
- Large quantitative framework
- High performance in communication throughput
3S7-300 - Memory, performance and quantitative
framework
Main memory Instructions Load memory Command
runtimes - Binary commands - Word commands -
Floating-point c. Comm. res. Flags Times /
Counters Address space I/O No. of digital
chan. No. of analog channels I/O
314 48 KB 16 k 8 MB 100 ns 0,5 µs 15 µs 12 2
k 256 / 256 1024 1024 256 / 256
312 16 KB 5 k 8 MB 200 ns 1 µs 30 µs 6 1 k 128
/ 128 1024 256 64 / 64
315-2DP 128 KB 42 k 8 MB 100 ns 0,5 µs 15
µs 16 16 k 256 / 256 2048 1024 256 / 256
317- 2PN/DP512 kB 170 k 8 MB 100 ns 0,1 µs 4
µs 32 32 k 512 / 512 8192 1024 256 / 256
317-2DP 512 kB 170 k 8 MB 100 ns 0,1 µs 4
µs 32 32 k 512 / 512 8192 1024 256 / 256
Positioning / Range Innovation
S7-300 Synchronism Roadmap
Objectives
4S7-300 Innovation - Overview
Quantitative framework Doubling of memory
Flags, timers, counters Processing speed 4 x
faster binary processing 2 - 10 x faster
floating-point commands Communication
performance 100 Mbaud Ethernet up to 16
communications resources Communication paths
PROFIBUS DPV1 PROFInet / CbA Technology
platform Controlling, counting, positioning
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
5Innovations - Features and benefits (I)
- High processing speed
- 4x faster processing of binary word commands
- 10x faster floating-point arithmetic
- Increased system reaction time
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
- How does the customer benefit?
- Performance-enhanced execution of user
applications - Particularly advantageous in motion control tasks
and closed-loop control - Increased machine cycle times and throughput as a
result of shorter program execution times
6Innovations - Features and benefits (II)
- The extended quantitative framework
- Main memory doubled
- Operating hours counter
- Timers / Counters
- Flags
- Greater range of numbers
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
Makes plant innovation possible while retaining
the CPU
7Innovations Extended quantitative framework
- What are the benefits to the customer?
- Additional resources for the user program
- Greater use of engineering tools
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
Memory requirements
Productivity
- Portable from the smallest S7-300 to the largest
S7-400 - Better, modular and reusable programming
- Greater use of IEC 61131-3 high-level programming
languages - Manufacturer-independent programming
Lower engineering costs and fewer programming
errors through the use of engineering tools
8Innovations Extended quantitative framework
How does the customer benefit?
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
- Additional resources for runtime software
Solutions for technology tasks
as runtime software
9Innovations Extended quantitative framework
Programming with STEP 7 (from V5.1 SP4) The
well-known tool for all functions and applications
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Roadmap
Programming with STEP 7 Lite The new programming
package for basic functions for simple
stand-alone applications
- Features of STEP 7-Lite
- Rapid familiarization due to intuitive working
- Simpler project handling (project CPU)
- Migration i.e. data import into STEP 7 possible
10Innovations Extended quantitative framework
How does the customer benefit?
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
- Additional resources for diagnostic software
- System diagnosis
- Error diagnosis from the CPU up to the I/O
- Internal CPU services (e.g. error messages with
time stamp) - Process diagnosis
- Critical process signals are monitored by a
program - Easy planning with S7-PDIAG and ProAgent
- Automatic alarms from CPU to HMI device
Optimized fault analysis reduces downtimes and
increases productivity
11Innovations - Features and benefits (III)
- Increased communication performance /
- improved openness
- 15 OPs or active connections
- Support of PROFIBUS DPV1 standard
- How does the customer benefit?
- Greater degree of networking at the cell level
- Increased data exchange with MES/ERP systems
- Detailed error information from non-Siemens field
devices makes finding errors easier - Reduced downtimes
- Flexible optimization of field devices during
operation - Reduced product changeover times
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
12Innovations - Features and benefits (IV)
- SIMATIC Micro Memory Card
- Flexible choice of memory size 64 KB 8 MB
- Restoring and back-up of data in RUN
- STEP 7 project storage
- Data are retained without a battery
- How does the customer benefit?
- Maintenance-free
- Comments and symbols already on CPU in case
servicing is required - Time-savings
- New ways of archiving data and managing recipes
- Reduced acquisition costs
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
13Innovations - Features and benefits (V)
- Compact design
- Reduced size for new CPUs
- Higher channel density for analog output module
- How does the customer benefit?
- Saves space in the control cabinet
Positioning / Range Innovation S7-300
Performance Communication
Miscellaneous Synchronism Roadmap
14Clock synchronized and Equidistance
Timing cycles without synchronism
Positioning / Range Innovation
S7-300 Synchronism Roadmap
Many cycles uncoordinated T1 Read in input
signal T2 Backplane bus distributed I/O T3
PROFIBUS DP T4 CPU program cycle T5 PROFIBUS
DP T6 Backplane bus distributed I/O T7 Output
signal
- The reaction time is the sum of all times (T1 to
T7) - The output accuracy is the sum of the times from
the CPU to the output (T4 to T7)
15Clock synchronized and equidistance
Timing cycles with Clock synchronized
Positioning / Range Innovation
S7-300 Synchronism Roadmap
- Coordinated times in a fixed system cycle
- Reaction time ? 2 system cycle
- Using new output modules the accuracy can be
increased to approx. 50 µs - The time of output is known exactly
16Clock synchronized and equidistance
- How does the customer benefit?
- Equidistant actual value acquisition and set
value output - Precise time-based calculations (e.g. rotational
speed) - Motion control applications become more precise
- Control loops also possible via distributed I/O
- Input and output of synchronous signals
- Consistent I/O image via PROFIBUS line
- Reaction times of inputs and outputs are constant
and known - Signals coupled close in time can be distributed
Positioning / Range Innovation
S7-300 Synchronism Roadmap
Objective Max. 200 ?s jitter through the
complete system
Increased machine cycle times Reduced machine
expansions
17Planning of stages of further development of
S7-300
Positioning / Range Innovation
S7-300 Synchronism Roadmap
18SIMATIC S7-300 CPU range
S7-300 High End
Positioning / Range Innovation
S7-300 Synchronism Roadmap
317- 2 PN/DP - 512k PN (Ethernet), DP
Performance Memory Communication
S7-300 Mid Range
317- 2 DP - 512k MPI/DP, DP
Based on 314C
315- 2 DP - 128k MPI, DP
ca. 2800 - 3050
314 - 48k MPI
500 - 1250
S7-300 Compact Class
Price
S7-300 Low End
345 - 1.360
260
19The universal automation platform for discrete
manufacturing
SIMATIC S7-300 designed for Totally
Integrated Automation