西門子CPU 315-2 PN/DP,西門子CPU 315-2
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CPU 315-2 PN/DP 具有中等規(guī)模程序量.除了分布式I/O結構,它還可用于分布式自動化結構??稍赟IMATIC S7-300中用作PROFINET IO控制器以及標準PROFIBUS DP主站。CPU 315-2 PN/DP還可用作分布式智能從站(DP從站)。
CPU 315-2 PN/DP為采用軟件來實現(xiàn)一些簡單的工藝任務提供了一個理想的平臺,例如:
- Easy Motion Control 運動控制
- 使用 STEP 7 塊或運行軟件“標準/模塊化PID控制” 來實現(xiàn)閉環(huán)控制任務的解決方案
使用 SIMATIC S7-PDIAG 進行擴展過程診斷。
無需其他組件,通過CPU的集成組合就可以實現(xiàn)網絡自動化解決方案。
CPU 315-2 PN/DP 裝配有:
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微處理器;
處理器處理每條二進制指令執(zhí)行時間約為 50 ns,每條浮點數(shù)運行指令約為 450ns。 -
384 KB 主存儲器(相當于大約 128 K 條指令);
與程序組件執(zhí)行相關的大容量工作存儲器為用戶程序提供了充分的空間。作為程序裝載存儲器的微型存儲卡(大為 8 MB)也允許將可以項目(包括符號和注釋)保存在 CPU 中。裝載存儲器還可用于數(shù)據歸檔和配方管理。 -
靈活的擴展;
多達 32 個模塊,(4 層結構) -
MPI/DP 組合接口;
個集成的 MPI/DP 接口多能同時建立 16 個與 S7-300/400的連接或與編程器、PC 和 OP 的連接。 在這些連接中,始終分別為 PG 和 OP 各保留一個連接。
MPI 可以通過“全局數(shù)據通訊”與多32個CPU組建簡單的網絡。
該接口可從MPI接口重新設置為DP接口。
PROFIBUS DP 接口:
DP 接口可用作 DP 主站或 DP 從站運行。在該接口上,PROFIBUS DP從站可在等時模式下運行.全面支持 PROFIBUS DP V1 標準。這將增加 DP V1 標準從站在診斷和參數(shù)賦值能力的范圍。 -
以太網接口;
CPU 315-2 PN/DP 的第 2 個內置接口是一個基于以太網 TCP/IP 的 PROFINET 接口,帶有雙端口交換機。
它支持下列協(xié)議:- S7通訊用于在SIMATIC控制器間進行數(shù)據通訊;
- 通過 STEP 7 進行編程、啟動和診斷的 PG/OP 通訊;
- 與HMI和SCADA連接的PG/OP通訊;
- 在PROFINET上實現(xiàn)開放的TCP/IP、UDP和ISO-on-TCP (RFC1006)通訊;
- SIMATIC NET OPC-Server用于與其它控制器以及CPU自帶的I/O設備進行通訊
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● Programming package
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● 24 V DC
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● Integrated
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● Size of retentive memory for retentive data blocks
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● pluggable (MMC), max.
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● Number
-
● present
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● Number
-
● present
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● Number, max.
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● Inputs
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● Outputs
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● Inputs, adjustable
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● Outputs, adjustable
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● Hardware clock (real-time clock)
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● Number
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● MPI
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● DP master
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● DP slave
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● Point-to-point connection
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● Number of DP slaves, max.
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● MPI
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● DP master
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● DP slave
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● PROFINET IO Controller
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● PROFINET IO Device
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● PROFINET CBA
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● Max. number of connectable IO devices for RT
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● Number of IO devices with IRT and the option "high flexibility"
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● Number of IO Devices with IRT and the option "high performance", max.
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● supported
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● supported
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● supported
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● supported
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● TCP/IP
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— Number of connections, max.
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● ISO-on-TCP (RFC1006)
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— Number of connections, max.
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● UDP
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— Number of connections, max.
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● supported
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● overall
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● Min.
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● max.
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— LAD
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— FBD
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— STL
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— SCL
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— CFC
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— GRAPH
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— HiGraph?
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● User program protection/password protection
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● Block encryption
Technical Specifications
Order number
6ES7315-2EH14-0AB0
CPU315-2 PN/DP, 384 KB
Product type designation
General information
Engineering with
STEP7 V 5.5 or higher
Supply voltage
Rated value (DC)
Yes
Power losses
Power loss, typ.
4.65 W
Memory
Work memory
384 kbyte
128 kbyte
Load memory
8 Mbyte
CPU processing times
for bit operations, typ.
0.05 μs
for word operations, typ.
0.09 μs
for fixed point arithmetic, typ.
0.12 μs
for floating point arithmetic, typ.
0.45 μs
Counters, timers and their retentivity
S7 counter
256
IEC counter
Yes
S7 times
256
IEC timer
Yes
Data areas and their retentivity
Flag
2 048 byte
Address area
I/O address area
2 048 byte
2 048 byte
Process image
2 048 byte
2 048 byte
Time of day
Clock
Yes
Operating hours counter
1
1st interface
Interface type
Integrated RS 485 interface
Physics
RS 485
Functionality
Yes
Yes
Yes
No
DP master
124
2nd interface
Interface type
PROFINET
Physics
Ethernet RJ45
Number of ports
2
Functionality
No
No
No
Yes; Also simultaneously with IO-Device functionality
Yes; Also simultaneously with IO Controller functionality
Yes
PROFINET IO Controller
128
128
64
Isochronous mode
Isochronous operation (application synchronized up to terminal)
Yes; Via PROFIBUS DP or PROFINET interface
Communication functions
PG/OP communication
Yes
Data record routing
Yes
Global data communication
Yes
S7 basic communication
Yes
S7 communication
Yes
S5-compatible communication
Yes; via CP and loadable FC
Open IE communication
Yes; via integrated PROFINET interface and loadable FBs
8
Yes; via integrated PROFINET interface and loadable FBs
8
Yes; via integrated PROFINET interface and loadable FBs
8
Web server
Yes
Number of connections
16
Ambient conditions
Ambient temperature in operation
0 °C
60 °C
Configuration
programming
Programming language
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Know-how protection
Yes
Yes; With S7 block Privacy
Dimensions
Width
40 mm
Height
125 mm
Depth
130 mm
Weights
Weight, approx.
340 g