咨詢熱線

        18621916738

        當前位置:首頁  >  技術文章  >  西門子CPU315-2PN/DP介紹

        西門子CPU315-2PN/DP介紹

        更新時間:2015-06-26      點擊次數:4527

          西門子CPU315-2PN/DP介紹,西門子CPU315-2PN/DP,西門子S7-300CPU315-2PN/DP,CPU315-2PN/DP


        型號:6ES7315-2EH14-0AB0

        SIMATIC S7-300 CPU 315-2 PN/DP, 中央處理器含有 384 KB工作存儲區, 1. 接口MPI/DP 12MBIT/S, 2.接口以太網PROFINET, 帶有 2個 PORT SWITCH,必須有 MMC卡

        西門子CPU315-2PN/DP 概述

        CPU 運行需要 SIMATIC 微存儲卡(MMC)

        西門子CPU315-2PN/DP 應用領域

        CPU 315-2 PN/DP 具有中等規模程序量.除了分布式I/O結構,它還可用于分布式自動化結構。可在SIMATIC 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為采用軟件來實現一些簡單的工藝任務提供了一個理想的平臺,例如:

        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網絡自動化解決方案。

        西門子CPU315-2PN/DP 設計

        CPU 315-2 PN/DP 裝配有:

        西門子CPU315-2PN/DP  功能

        可參數化的特性

        可以使用 STEP 7 對 S7 的組態、屬性以及CPU的響應進行參數設置:

        顯示功能與信息功能

        集成的通訊功能

        系統功能

        CPU 具有廣泛的系統功能特性,諸如:診斷、參數賦值、報警、定時和測量等。

        西門子CPU315-2PN/DP 技術規格


        6ES7?315-2EH14-0AB0

        General?information


        Hardware?product?version

        01

        Firmware?version

        V3.2

        Engineering?with


        • Programming?package

        STEP7?V?5.5?or?higher

        Supply?voltage


        24?V?DC

        Yes

        permissible?range,?lower?limit?(DC)

        20.4 V

        permissible?range,?upper?limit?(DC)

        28.8 V

        External?protection?for?supply?cables?(recommendation)

        2?A?min.

        Mains?buffering


        • Mains/voltage?failure?stored?energy?time

        5 ms

        • Repeat?rate,?min.

        1 s

        Input?current


        Current?consumption?(rated?value)

        750 mA

        Current?consumption?(in?no-load?operation),?typ.

        150 mA

        Inrush?current,?typ.

        4 A

        I2t

        1 A2·s

        Power?losses


        Power?loss,?typ.

        4.65 W

        Memory


        Type?of?memory

        other

        Work?memory


        • Integrated

        384 kbyte

        • expandable

        No

        • Size?of?retentive?memory?for?retentive?data?blocks

        128 kbyte

        Load?memory


        • pluggable?(MMC)

        Yes

        • pluggable?(MMC),?max.

        8 Mbyte

        • Data?management?on?MMC?(after?last?programming),?min.

        10 a

        Backup


        • present

        Yes;?Guaranteed?by?MMC?(maintenance-free)

        • without?battery

        Yes;?Program?and?data

        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

        CPU-blocks


        Number?of?blocks?(total)

        1 024;?(DBs,?FCs,?FBs);?the?maximum?number?of?loadable?blocks?can?be?reduced?by?the?MMC?used.

        DB


        • Number,?max.

        1 024;?Number?range:?1?to?16000

        • Size,?max.

        64 kbyte

        FB


        • Number,?max.

        1 024;?Number?range:?0?to?7999

        • Size,?max.

        64 kbyte

        FC


        • Number,?max.

        1 024;?Number?range:?0?to?7999

        • Size,?max.

        64 kbyte

        OB


        • Size,?max.

        64 kbyte

        • Number?of?free?cycle?OBs

        1;?OB?1

        • Number?of?time?alarm?OBs

        1;?OB?10

        • Number?of?delay?alarm?OBs

        2;?OB?20,?21

        • Number?of?time?interrupt?OBs

        4;?OB?32,?33,?34,?35

        • Number?of?process?alarm?OBs

        1;?OB?40

        • Number?of?DPV1?alarm?OBs

        3;?OB?55,?56,?57

        • Number?isochronous?mode?OBs

        1;?OB?61

        • Number?of?startup?OBs

        1;?OB?100

        • Number?of?asynchronous?error?OBs

        6;?OB?80,?82,?83,?85,?86,?87?(OB83?only?for?PROFINET?IO)

        • Number?of?synchronous?error?OBs

        2;?OB?121,?122

        Nesting?depth


        • per?priority?class

        16

        • additional?within?an?error?OB

        4

        Counters,?timers?and?their?retentivity


        S7?counter


        • Number

        256

        • Retentivity


          • can?be?set

        Yes

          • lower?limit

        0

          • upper?limit

        255

          • preset

        Z?0?to?Z?7

        • Counting?range


          • can?be?set

        Yes

          • lower?limit

        0

          • upper?limit

        999

        IEC?counter


        • present

        Yes

        • Type

        SFB

        • Number

        Unlimited?(limited?only?by?RAM?capacity)

        S7?times


        • Number

        256

        • Retentivity


          • can?be?set

        Yes

          • lower?limit

        0

          • upper?limit

        255

          • preset

        No?retentivity

        • Time?range


          • lower?limit

        10 ms

          • upper?limit

        9 990 s

        IEC?timer


        • present

        Yes

        • Type

        SFB

        • Number

        Unlimited?(limited?only?by?RAM?capacity)

        Data?areas?and?their?retentivity


        retentive?data?area,?total

        All,?128?KB?max.

        Flag


        • Number,?max.

        2 048 byte

        • Retentivity?available

        Yes;?MB?0?to?MB?2047

        • Retentivity?preset

        MB?0?to?MB?15

        • Number?of?clock?memories

        8;?1?memory?byte

        Data?blocks


        • Number,?max.

        1 024;?Number?range:?1?to?16000

        • Size,?max.

        64 kbyte

        • Retentivity?adjustable

        Yes;?via?non-retain?property?on?DB

        • Retentivity?preset

        Yes

        Local?data


        • per?priority?class,?max.

        32 768 byte;?Max.?2048?bytes?per?block

        Address?area


        I/O?address?area


        • Inputs

        2 048 byte

        • Outputs

        2 048 byte

        • of?which,?distributed


          • Inputs

        2 048 byte

          • Outputs

        2 048 byte

        Process?image


        • Inputs

        2 048 byte

        • Outputs

        2 048 byte

        • Inputs,?adjustable

        2 048 byte

        • Outputs,?adjustable

        2 048 byte

        • Inputs,?default

        128 byte

        • Outputs,?default

        128 byte

        Subprocess?images


        • Number?of?subprocess?images,?max.

        1;?With?PROFINET?IO,?the?length?of?the?user?data?is?limited?to?1600?bytes

        Digital?channels


        • Inputs

        16 384

        • Outputs

        16 384

        • Inputs,?of?which?central

        1 024

        • Outputs,?of?which?central

        1 024

        Analog?channels


        • Inputs

        1 024

        • Outputs

        1 024

        • Inputs,?of?which?central

        256

        • Outputs,?of?which?central

        256

        Hardware?configuration


        Expansion?devices,?max.

        3

        Number?of?DP?masters


        • Integrated

        1

        • Via?CP

        4

        Number?of?operable?FMs?and?CPs?(recommended)


        • FM

        8

        • CP,?point-to-point

        8

        • CP,?LAN

        10

        Rack


        • Racks,?max.

        4

        • Modules?per?rack,?max.

        8

        Time?of?day


        Clock


        • Hardware?clock?(real-time?clock)

        Yes

        • battery-backed?and?synchronizable

        Yes

        • Deviation?per?day,?max.

        10 s;?Typ.:?2?s

        • Backup?time

        6 wk;?At?40?°C?ambient?temperature

        • Behavior?of?the?clock?following?POWER-ON

        Clock?continues?running?after?POWER?OFF

        • Behavior?of?the?clock?following?expiry?of?backup?period

        Clock?continues?to?run?with?the?time?at?which?the?power?failure?occurred

        Operating?hours?counter


        • Number

        1

        • Number/Number?range

        0

        • Range?of?values

        0?to?2^31?hours?(when?using?SFC?101)

        • Granularity

        1?hour

        • retentive

        Yes;?Must?be?restarted?at?each?restart

        Clock?synchronization


        • supported

        Yes

        • to?MPI,?master

        Yes

        • to?MPI,?slave

        Yes

        • to?DP,?master

        Yes;?With?DP?slave?only?slave?clock

        • to?DP,?slave

        Yes

        • in?AS,?master

        Yes

        • in?AS,?slave

        Yes

        • on?Ethernet?via?NTP

        Yes;?As?client

        Digital?inputs


        Number?of?digital?inputs

        0

        Digital?outputs


        Number?of?digital?outputs

        0

        Analog?inputs


        Number?of?analog?inputs

        0

        Analog?outputs


        Number?of?analog?outputs

        0

        Interfaces


        Number?of?USB?interfaces

        0

        Number?of?parallel?interfaces

        0

        Number?of?20?mA?interfaces?(TTY)

        0

        Number?of?RS?232?interfaces

        0

        Number?of?RS?422?interfaces

        0

        Number?of?other?interfaces

        1;?Ethernet,?2-port?switch,?2*RJ45

        1st?interface


        Interface?type

        Integrated?RS?485?interface

        Physics

        RS?485

        Isolated

        Yes

        Power?supply?to?interface?(15?to?30?V?DC),?max.

        200 mA

        Functionality


        • MPI

        Yes

        • DP?master

        Yes

        • DP?slave

        Yes

        • Point-to-point?connection

        No

        MPI


        • Transmission?rate,?max.

        12 Mbit/s

        • Services


          • PG/OP?communication

        Yes

          • Routing

        Yes

          • Global?data?communication

        Yes

          • S7?basic?communication

        Yes

          • S7?communication

        Yes

          • S7?communication,?as?client

        No;?but?via?CP?and?loadable?FB

          • S7?communication,?as?server

        Yes

        DP?master


        • Transmission?rate,?max.

        12 Mbit/s

        • Number?of?DP?slaves,?max.

        124

        • Services


          • PG/OP?communication

        Yes

          • Routing

        Yes

          • Global?data?communication

        No

          • S7?basic?communication

        Yes;?I?blocks?only

          • S7?communication

        Yes

          • S7?communication,?as?client

        No

          • S7?communication,?as?server

        Yes

          • Equidistance?mode?support

        Yes

          • Isochronous?mode

        Yes;?OB?61;?isochronous?mode?can?only?be?used?alternatively?on?PROFIBUS?DP?or?PROFINET?IO

          • SYNC/FREEZE

        Yes

          • Activation/deactivation?of?DP?slaves

        Yes

          • Number?of?DP?slaves?that?can?be?simultaneously?activated/deactivated,?max.

        8

          • Direct?data?exchange?(slave-to-slave?communication)

        Yes;?As?subscriber

          • DPV1

        Yes

        • Address?area


          • Inputs,?max.

        2 kbyte

          • Outputs,?max.

        2 kbyte

        • User?data?per?DP?slave


          • Inputs,?max.

        244 byte

          • Outputs,?max.

        244 byte

        DP?slave


        • Transmission?rate,?max.

        12 Mbit/s

        • Automatic?baud?rate?search

        Yes;?only?with?passive?interface

        • Address?area,?max.

        32

        • User?data?per?address?area,?max.

        32 byte

        • Services


          • PG/OP?communication

        Yes

          • Routing

        Yes;?Only?with?active?interface

          • Global?data?communication

        No

          • S7?basic?communication

        No

          • S7?communication

        Yes

          • S7?communication,?as?client

        No

          • S7?communication,?as?server

        Yes;?Connection?configured?on?one?side?only

          • Direct?data?exchange?(slave-to-slave?communication)

        Yes

          • DPV1

        No

        • Transfer?memory


          • Inputs

        244 byte

          • Outputs

        244 byte

        2nd?interface


        Interface?type

        PROFINET

        Physics

        Ethernet?RJ45

        Isolated

        Yes

        Integrated?switch

        Yes

        Number?of?ports

        2

        Automatic?detection?of?transmission?speed

        Yes;?10/100?Mbit/s

        Autonegotiation

        Yes

        Autocrossing

        Yes

        Change?of?IP?address?at?runtime,?supported

        Yes

        Media?redundancy


        • supported

        Yes

        • Switchover?time?on?line?break,?typically

        200 ms;?PROFINET?MRP

        • Number?of?stations?in?the?ring,?max.

        50

        Functionality


        • MPI

        No

        • DP?master

        No

        • DP?slave

        No

        • PROFINET?IO?Controller

        Yes;?Also?simultaneously?with?IO-Device?functionality

        • PROFINET?IO?Device

        Yes;?Also?simultaneously?with?IO?Controller?functionality

        • PROFINET?CBA

        Yes

        • Open?IE?communication

        Yes;?Via?TCP/IP,?ISO?on?TCP,?and?UDP

        • Web?server

        Yes

          • Number?of?HTTP?clients

        5

        PROFINET?IO?Controller


        • Transmission?rate,?max.

        100 Mbit/s

        • Number?of?connectable?IO?devices,?max.

        128

        • Max.?number?of?connectable?IO?devices?for?RT

        128

          • of?which?in?line,?max.

        128

        • Number?of?IO?devices?with?IRT?and?the?option?"high?flexibility"

        128

          • of?which?in?line,?max.

        61

        • Number?of?IO?Devices?with?IRT?and?the?option?"high?performance",?max.

        64

          • of?which?in?line,?max.

        64

        • IRT,?supported

        Yes

        • Shared?device,?supported

        Yes

        • Prioritized?startup?supported

        Yes

          • Number?of?IO?Devices,?max.

        32

        • Activation/deactivation?of?IO?Devices

        Yes

          • Maximum?number?of?IO?devices?that?can?be?activated/deactivated?at?the?same?time.

        8

        • IO?Devices?changing?during?operation?(partner?ports),?supported

        Yes

          • Max.?number?of?IO?devices?per?tool

        8

        • Device?replacement?without?swap?medium

        Yes

        • Send?cycles

        250?μs,?500?μs,1?ms;?2?ms,?4?ms?(not?in?the?case?of?IRT?with?"high?flexibility"?option)

        • Updating?time

        250?µs?to?512?ms?(depending?on?the?operating?mode,?see?Manual?"S7-300?CPU?31xC?and?CPU?31x,?Technical?Data"?for?more?details)

        • Services


          • PG/OP?communication

        Yes

          • Routing

        Yes

          • S7?communication

        Yes;?With?loadable?FBs,?max.?configurable?connections:?14,?max.?number?of?instances:?32

          • Isochronous?mode

        Yes;?OB?61;?isochronous?mode?can?only?be?used?alternatively?on?PROFIBUS?DP?or?PROFINET?IO

          • Open?IE?communication

        Yes;?Via?TCP/IP,?ISO?on?TCP,?and?UDP

        • Address?area


          • Inputs,?max.

        2 kbyte

          • Outputs,?max.

        2 kbyte

          • User?data?consistency,?max.

        1 024 byte

        PROFINET?IO?Device


        • Services


          • PG/OP?communication

        Yes

          • Routing

        Yes

          • S7?communication

        Yes;?With?loadable?FBs,?max.?configurable?connections:?14,?max.?number?of?instances:?32

          • Isochronous?mode

        No

          • Open?IE?communication

        Yes;?Via?TCP/IP,?ISO?on?TCP,?and?UDP

          • IRT

        Yes

          • PROFIenergy,?supported

        Yes;?With?SFB?73?/?74?prepared?for?loadable?PROFIenergy?standard?FB?for?I-Device

          • Shared?device

        Yes

          • Number?of?IO?controllers?with?shared?device,?max.

        2

        • Transfer?memory


          • Inputs,?max.

        1 440 byte;?Per?IO?Controller?with?shared?device

          • Outputs,?max.

        1 440 byte;?Per?IO?Controller?with?shared?device

        • Submodules


          • Number,?max.

        64

          • User?data?per?submodule,?max.

        1 024 byte

        PROFINET?CBA


        • acyclic?transmission

        Yes

        • Cyclic?transmission

        Yes

        Open?IE?communication


        • Open?IE?communication,?supported

        Yes

        • Number?of?connections,?max.

        8

        • Local?port?numbers?used?at?the?system?end

        0,?20,?21,?23,?25,?80,?102,?135,?161,?443,?8080,?34962,?34963,?34964,?65532,?65533,?65534,?65535

        • Keep-alive?function,?supported

        Yes

        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


        • supported

        Yes

        • Number?of?GD?loops,?max.

        8

        • Number?of?GD?packets,?max.

        8

        • Number?of?GD?packets,?transmitter,?max.

        8

        • Number?of?GD?packets,?receiver,?max.

        8

        • Size?of?GD?packets,?max.

        22 byte

        • Size?of?GD?packet?(of?which?consistent),?max.

        22 byte

        S7?basic?communication


        • supported

        Yes

        • User?data?per?job,?max.

        76 byte

        • User?data?per?job?(of?which?consistent),?max.

        76 byte;?76?bytes?(with?X_SEND?or?X_RCV);?64?bytes?(with?X_PUT?or?X_GET?as?server)

        S7?communication


        • supported

        Yes

        • as?server

        Yes

        • As?client

        Yes;?via?integrated?PROFINET?interface?and?loadable?FB?or?via?CP?and?loadable?FB

        • User?data?per?job,?max.

        See?online?help?of?STEP?7?(shared?parameters?of?the?SFBs/FBs?and?of?the?SFCs/FCs?of?S7?Communication)

        S5-compatible?communication


        • supported

        Yes;?via?CP?and?loadable?FC

        Open?IE?communication


        • TCP/IP

        Yes;?via?integrated?PROFINET?interface?and?loadable?FBs

          • Number?of?connections,?max.

        8

          • Data?length?for?connection?type?01H,?max.

        1 460 byte

          • Data?length?for?connection?type?11H,?max.

        32 768 byte

          • Several?passive?connections?per?port,?supported

        Yes

        • ISO-on-TCP?(RFC1006)

        Yes;?via?integrated?PROFINET?interface?and?loadable?FBs

          • Number?of?connections,?max.

        8

          • Data?length,?max.

        32 768 byte

        • UDP

        Yes;?via?integrated?PROFINET?interface?and?loadable?FBs

          • Number?of?connections,?max.

        8

          • Data?length,?max.

        1 472 byte

        Web?server


        • supported

        Yes

        • Number?of?HTTP?clients

        5

        • User-defined?websites

        Yes

        PROFINET?CBA?(at?set?setpoint?communication?load)


        • Setpoint?for?the?CPU?communication?load

        50 %

        • Number?of?remote?interconnection?partners

        32

        • Number?of?functions,?master/slave

        30

        • Total?of?all?Master/Slave?connections

        1 000

        • Data?length?of?all?incoming?connections?master/slave,?max.

        4 000 byte

        • Data?length?of?all?outgoing?connections?master/slave,?max.

        4 000 byte

        • Number?of?device-internal?and?PROFIBUS?interconnections

        500

        • Data?length?of?device-internal?und?PROFIBUS?interconnections,?max.

        4 000 byte

        • Data?length?per?connection,?max.

        1 400 byte

        • Remote?interconnections?with?acyclic?transmission


          • Sampling?frequency:?Sampling?time,?min.

        500 ms

          • Number?of?incoming?interconnections

        100

          • Number?of?outgoing?interconnections

        100

          • Data?length?of?all?incoming?interconnections,?max.

        2 000 byte

          • Data?length?of?all?outgoing?interconnections,?max.

        2 000 byte

          • Data?length?per?connection,?max.

        1 400 byte

        • Remote?interconnections?with?cyclic?transmission


          • Transmission?frequency:?Transmission?interval,?min.

        10 ms

          • Number?of?incoming?interconnections

        200

          • Number?of?outgoing?interconnections

        200

          • Data?length?of?all?incoming?interconnections,?max.

        2 000 byte

          • Data?length?of?all?outgoing?interconnections,?max.

        2 000 byte

          • Data?length?per?connection,?max.

        450 byte

        • HMI?variables?via?PROFINET?(acyclic)


          • Number?of?stations?that?can?log?on?for?HMI?variables?(PN?OPC/iMap)

        3;?2x?PN?OPC/1x?iMap

          • HMI?variable?updating

        500 ms

          • Number?of?HMI?variables

        200

          • Data?length?of?all?HMI?variables,?max.

        2 000 byte

        • PROFIBUS?proxy?functionality


          • supported

        Yes

          • Number?of?linked?PROFIBUS?devices

        16

          • Data?length?per?connection,?max.

        240 byte;?Slave-dependent

        Number?of?connections


        • overall

        16

        • usable?for?PG?communication

        15

          • reserved?for?PG?communication

        1

          • Adjustable?for?PG?communication,?min.

        1

          • Adjustable?for?PG?communication,?max.

        15

        • usable?for?OP?communication

        15

          • reserved?for?OP?communication

        1

          • adjustable?for?OP?communication,?min.

        1

          • adjustable?for?OP?communication,?max.

        15

        • usable?for?S7?basic?communication

        14

          • Reserved?for?S7?basic?communication

        0

          • adjustable?for?S7?basic?communication,?min.

        0

          • adjustable?for?S7?basic?communication,?max.

        14

        • usable?for?S7?communication

        14

          • reserved?for?S7?communication

        0

          • Adjustable?for?S7?communication,?min.

        0

          • Adjustable?for?S7?communication,?max.

        14

        • Max.?total?number?of?instances

        32

        • usable?for?routing

        X1?as?MPI:?max.?10;?X1?as?DP?master:?max.?24;?X1?as?DP?slave?(active):?max.?14;?X2?as?PROFINET:?24?max.

        S7?message?functions


        Number?of?login?stations?for?message?functions,?max.

        16;?Depending?on?the?configured?connections?for?PG/OP?and?S7?basic?communication

        Process?diagnostic?messages

        Yes

        simultaneously?active?Alarm-S?blocks,?max.

        300

        Test?commissioning?functions


        Status?block

        Yes;?Up?to?2?simultaneously

        Single?step

        Yes

        Number?of?breakpoints

        4

        Status/control


        • Status/control?variable

        Yes

        • Variables

        Inputs,?outputs,?memory?bits,?DB,?times,?counters

        • Number?of?variables,?max.

        30

        • of?which?status?variables,?max.

        30

        • of?which?control?variables,?max.

        14

        Forcing


        • Forcing

        Yes

        • Force,?variables

        Inputs,?outputs

        • Number?of?variables,?max.

        10

        Diagnostic?buffer


        • present

        Yes

        • Number?of?entries,?max.

        500

          • can?be?set

        No

          • Of?which?powerfail-proof

        100;?Only?the?last?100?entries?are?retained

        • Number?of?entries?readable?in?RUN,?max.

        499

          • can?be?set

        Yes;?From?10?to?499

          • preset

        10

        Service?data


        • Can?be?read?out

        Yes

        Ambient?conditions


        Operating?temperature


        • Min.

        0 °C

        • max.

        60 °C

        Configuration


        Configuration?software


        • STEP?7

        Yes;?V5.5?or?higher

        programming


        • Command?set

        see?instruction?list

        • Nesting?levels

        8

        • System?functions?(SFC)

        see?instruction?list

        • System?function?blocks?(SFB)

        see?instruction?list

        • Programming?language


          • LAD

        Yes

          • FBD

        Yes

          • STL

        Yes

          • SCL

        Yes

          • CFC

        Yes

          • GRAPH

        Yes

          • HiGraph®

        Yes

        Know-how?protection


        • User?program?protection/password?protection

        Yes

        • Block?encryption

        Yes;?With?S7?block?Privacy

        Dimensions


        Width

        40 mm

        Height

        125 mm

        Depth

        130 mm

        Weights


        Weight,?approx.

        340 g



        聯系我們

        上海翰粵自動化系統有限公司 公司地址:上海市松江區思賢路2399弄137號   技術支持:化工儀器網
        • 聯系人:黃政武
        • QQ:76868608
        • 公司傳真:021-57657276
        • 郵箱:76868608@qq.com

        掃一掃 更多精彩

        微信二維碼

        網站二維碼

        精品精品国产高清a毛片| 人妻熟妇乱又伦精品视频| 国产成人无码久久久精品一| 久久99精品久久久久久久不卡 | 永久免费精品影视网站| 国内精品伊人久久久久777| 国产精品视频一区二区三区无码 | 色老板在线影音免费观看| 精品少妇人妻av无码久久| 国产vA免费精品高清在线观看| 中文字幕精品无码一区二区| 精品人妻中文av一区二区三区| 99热亚洲精品6码| 日韩免播放器视频在线播放网站| 97久久精品午夜一区二区| 狠狠精品久久久无码中文字幕| 夜夜精品无码一区二区三区| HEYZO无码综合国产精品227| 惠民福利中文字幕人妻无码乱精品| 亚洲国产精品va在线播放| 中文字幕成人精品久久不卡| 毛片在线看免费版| 久久精品国产影库免费看 | 国产精品美脚玉足脚交欧美| 精品成人一区二区三区四区| 亚洲国产精品无码久久久不卡| 久久精品免费观看| 性色爽爱性色爽爱网站| 久久精品国产亚洲综合色| 婷婷在线视频观看| 久久久久免费精品国产| 亚洲精品无码专区在线播放| 国产福利微拍精品一区二区| 日韩精品亚洲专区在线观看| 99re6这里有精品热视频| 亚洲国产精品激情在线观看| 国产大片91精品免费观看不卡| 日韩精品一区二区午夜成人版| 国产精品视频永久免费播放| 亚洲av无码国产精品色在线看不卡| 91麻豆国产福利精品 |