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西門(mén)子6FC5357-0BB33-0AA1代理商 主營(yíng)西門(mén)子自動(dòng)化產(chǎn)品,*,現(xiàn)貨現(xiàn)售,價(jià)格優(yōu)勢(shì),保證,價(jià)格優(yōu)勢(shì)本公司銷售西門(mén)子PLC,西門(mén)子屏,西門(mén)子數(shù)控,西門(mén)子軟啟動(dòng),西門(mén)子以太網(wǎng)。西門(mén)子電機(jī),西門(mén)子變頻器,西門(mén)子直流調(diào)速器,西門(mén)子電纜。*,現(xiàn)貨銷售,價(jià)格優(yōu)勢(shì),*.公司主營(yíng):西門(mén)子數(shù)控,V20變頻器S7-200CN.S7-200smart.S7-300.S7-400.S7-1200.6ES5 ET200 人機(jī)界面,變頻器,DP總線,MM420 變頻器MM430 變頻器MM440 6SE70交流工程調(diào)速變頻器6RA70直流調(diào)速裝置 SITOP電源,電線電纜,數(shù)控備件,伺服電機(jī)等工控產(chǎn)品.
1、PLC類產(chǎn)品均為密封包裝,外包裝詳見(jiàn)產(chǎn)品圖片,白色標(biāo)簽上均有西門(mén)子品牌LOGO及產(chǎn)品訂貨號(hào),各位買(mǎi)家在收到貨后,請(qǐng)核對(duì)型號(hào)無(wú)誤,再拆包裝(包裝拆開(kāi)后將無(wú)法二次銷售,不支持退換貨)。
 2、產(chǎn)品及包裝上均有系列號(hào),憑此序列號(hào),質(zhì)保一年。
簽物時(shí),一定要當(dāng)著快遞業(yè)務(wù)員的面開(kāi)箱檢驗(yàn)貨物的完,如有破損,請(qǐng)拒絕簽收,并及時(shí)電話與我們聯(lián)系,我們將及時(shí)處理.

位串 (BYTE、WORD、DWORD) 和數(shù)據(jù)類型 CHAR 一開(kāi)始就擴(kuò)展成所需的寬度,然
                 后再這些位。源類型決定了解釋。

參見(jiàn)

                CHAR (頁(yè) 286)

                CHAR 隱式轉(zhuǎn)換 (頁(yè) 592)

                數(shù)據(jù)類型轉(zhuǎn)換概述 (頁(yè) 561)


                                                                                對(duì) PLC 進(jìn)行編程
646                                                                       編程和操作手冊(cè), 10/2018                                                                                    數(shù)據(jù)類型
                                                       3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)

WCHAR 顯式轉(zhuǎn)換 (S7-1200)

顯式轉(zhuǎn)換選項(xiàng)

                下表列出了 WCHAR 數(shù)據(jù)類型的顯式轉(zhuǎn)換選項(xiàng)和指令:

                源       目標(biāo)       轉(zhuǎn)換         說(shuō)明                        指令助記符

                WCHA    BOOL     -          不能進(jìn)行顯式轉(zhuǎn)換                  -
                R       BYTE1)   X          源值的位以右對(duì)齊              WCHAR_TO_BYTE
                        WORD1)   X          原樣傳遞到目標(biāo)數(shù)據(jù)類型。              WCHAR_TO_WORD
                        DWORD    X                                    WCHAR_TO_DWORD
                        1)

                        SINT     X                                    WCHAR_TO_SINT
                        USINT    X                                    WCHAR_TO_USINT
                        INT      X                                    WCHAR_TO_INT
                        UINT     X                                    WCHAR_TO_UINT
                        DINT     X                                    WCHAR_TO_DINT
                        UDINT    X                                    WCHAR_TO_UDINT
                        REAL     -          不能進(jìn)行顯式轉(zhuǎn)換                  -
                        LREAL    -                                    -
                        TIME     -                                    -
                        DTL      -                                    -
                        TOD      -                                    -
                        DATE     -                                    -
                        STRING   -                                    -
                        WSTRIN   X          值將轉(zhuǎn)換為字符串                  WCHAR_TO_WSTRING
                        G                   (WSTRING) 的個(gè)字符。
                                            如果未定義字符串的長(zhǎng)度,
                                            則在轉(zhuǎn)換后將長(zhǎng)度設(shè)置為
                                            “1"。 如果已定義字符串的
                                            長(zhǎng)度,則它在轉(zhuǎn)換后保持不
                                            變。

                        CHAR     X                                    WCHAR_TO_CHAR


對(duì) PLC 進(jìn)行編程
編程和操作手冊(cè), 10/2018                                                                         647數(shù)據(jù)類型
3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)

                 源      目標(biāo)        轉(zhuǎn)換         說(shuō)明                       指令助記符

                 x:可以轉(zhuǎn)換
                 - : 不可轉(zhuǎn)換
                 1) 位串 (BYTE、WORD、DWORD) 和數(shù)據(jù)類型 CHAR 一開(kāi)始就擴(kuò)展成所需的寬度,然
                 后再這些位。源類型決定了解釋。



                                                                                對(duì) PLC 進(jìn)行編程
648                                                                       編程和操作手冊(cè), 10/2018                                                                                    數(shù)據(jù)類型
                                                       3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)

STRING 顯式轉(zhuǎn)換 (S7-1200)

顯式轉(zhuǎn)換選項(xiàng)

                下表列出了 STRING 數(shù)據(jù)類型的顯式轉(zhuǎn)換選項(xiàng)和指令:


對(duì) PLC 進(jìn)行編程
編程和操作手冊(cè), 10/2018                                                                         649數(shù)據(jù)類型
3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)


                 源      目標(biāo)        轉(zhuǎn)換         說(shuō)明                          指令助記符

                 STRIN  BOOL      -          不能進(jìn)行顯式轉(zhuǎn)換                    -
                 G      BYTE      -                                      -
                        WORD      -                                      -
                        DWORD     -                                      -
                        SINT      X          從字符串 (STRING) 的個(gè)字         STRING_TO_SINT,
                                             符開(kāi)始轉(zhuǎn)換,直到字符串的結(jié)尾              S_CONV,
                                             或者到個(gè)不允許的字符處結(jié)              STRG_VAL
                        USINT     X          束。 可以轉(zhuǎn)換以下字符:                STRING_TO_USINT,
                                             ● 數(shù)字                         S_CONV,
                                             ● 符號(hào)                        STRG_VAL
                        INT       X          ● 句點(diǎn)                        STRING_TO_INT,
                                             字符串的個(gè)字符可以是符號(hào)              S_CONV,
                                             (+, -) 或數(shù)字。將忽略前導(dǎo)空           STRG_VAL
                                             格。  句點(diǎn)用于分隔浮點(diǎn)數(shù)的轉(zhuǎn)
                        UINT      X                                      STRING_TO_UINT,
                                             換。  不允許使用指數(shù)符號(hào)          "
                                                                   “e    S_CONV,
                                             或  "。   允許在小數(shù)點(diǎn)左邊使用
                                               “E                        STRG_VAL
                                             逗號(hào)作為千位分隔符,但將忽略
                        DINT      X                                      STRING_TO_DINT,
                                             該分隔符。 如果轉(zhuǎn)換的字符串格
                                                                         S_CONV,
                                             式無(wú)效或者發(fā)生溢出,將使能輸
                                                                         STRG_VAL
                                             出 ENO 設(shè)置為“0"。
                        UDINT     X                                      STRING_TO_UDINT
                                                                         , S_CONV,
                                                                         STRG_VAL
                        REAL      X                                      STRING_TO_REAL,
                                                                         S_CONV,
                                                                         STRG_VAL
                        LREAL     X                                      STRING_TO_LREAL
                                                                         , S_CONV,
                                                                         STRG_VAL
                        TIME      -          不能進(jìn)行顯式轉(zhuǎn)換                    -
                        DTL       -                                      -
                        TOD       -                                      -
                        DATE      -                                      -


                                                                                對(duì) PLC 進(jìn)行編程
650                                                                       編程和操作手冊(cè), 10/2018                                                                                    數(shù)據(jù)類型
                                                       3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)

                源       目標(biāo)       轉(zhuǎn)換         說(shuō)明                           指令助記符

                        CHAR     X          將字符串 (STRING) 的個(gè)字          STRING_TO_CHAR,
                                            符轉(zhuǎn)換為目標(biāo)數(shù)據(jù)類型。 如果字               S_CONV
                                            符串為空,則會(huì)將值“0"寫(xiě)入目
                                            標(biāo)數(shù)據(jù)類型。

                        WCHAR    -          不能進(jìn)行顯式轉(zhuǎn)換                     -
                        WSTRIN   X                                       STRING_TO_WSTRI
                        G                                                NG
                x:可以轉(zhuǎn)換
                - : 不可轉(zhuǎn)換

參見(jiàn)

                STRING (頁(yè) 287)

                數(shù)據(jù)類型轉(zhuǎn)換概述 (頁(yè) 561)


對(duì) PLC 進(jìn)行編程
編程和操作手冊(cè), 10/2018                                                                         651數(shù)據(jù)類型
3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)

WSTRING 顯式轉(zhuǎn)換 (S7-1200)

顯式轉(zhuǎn)換選項(xiàng)

                下表列出了 WSTRING 數(shù)據(jù)類型的顯式轉(zhuǎn)換選項(xiàng)和指令:


                                                                                對(duì) PLC 進(jìn)行編程
652                                                                       編程和操作手冊(cè), 10/2018                                                                                    數(shù)據(jù)類型
                                                       3.16 S7-1200 的數(shù)據(jù)類型轉(zhuǎn)換: (S7-1200)


                源       目標(biāo)       轉(zhuǎn)換         說(shuō)明                           指令助記符

                WSTR    BOOL     -          不能進(jìn)行顯式轉(zhuǎn)換                     -
                ING     BYTE     -                                       -
                        WORD     -                                       -
                        DWORD    -                                       -
                        SINT     X          從字符串 (STRING) 的個(gè)字          WSTRING_TO_SINT
                                            符開(kāi)始轉(zhuǎn)換,直到字符串的結(jié)尾               , S_CONV,
                                            或者到個(gè)不允許的字符處結(jié)               STRG_VAL
                        USINT    X          束。可以轉(zhuǎn)換以下字符:                  WSTRING_TO_USI
                                            ●  數(shù)字                        NT, S_CONV,
                                            ●  符號(hào)                        STRG_VAL
                        INT      X          ●  句點(diǎn)                        WSTRING_TO_INT,
                                            字符串的個(gè)字符可以是符號(hào)               S_CONV,
                                            (+, -) 或數(shù)字。將忽略前導(dǎo)空格。          STRG_VAL
                                            句點(diǎn)用于分隔浮點(diǎn)數(shù)的轉(zhuǎn)換。不
                        UINT     X                                       WSTRING_TO_UINT
                                            允許使用指數(shù)符號(hào)         "或    "。
                                                            “e   “E      , S_CONV,
                                            允許在小數(shù)點(diǎn)左邊使用逗號(hào)作為
                                                                         STRG_VAL
                                            千位分隔符,但將忽略該分隔
                        DINT     X                                       WSTRING_TO_DINT
                                            符。 如果字符串的布局對(duì)于轉(zhuǎn)換
                                                                         , S_CONV,
                                            而言無(wú)效,或者發(fā)生上溢,那么
                                                                         STRG_VAL
                                            使能輸出 ENO 將設(shè)置為“0"。
                        UDINT    X                                       WSTRING_TO_UDI
                                                                         NT, S_CONV,
                                                                         STRG_VAL
                        REAL     X                                       WSTRING_TO_REA
                                                                         L, S_CONV,
                                                                         STRG_VAL
                        LREAL    X                                       WSTRING_TO_LRE
                                                                         AL, S_CONV,
                                                                         STRG_VAL
                        TIME     -          不能進(jìn)行顯式轉(zhuǎn)換                     -
                        DTL      -                                       -
                        TOD      -                                       -
                        DATE     -                                       -
                        CHAR     -                                       -


下一步,美新將致力于單芯片傳感器SoC芯片的研發(fā),目標(biāo)是采用全新技術(shù),將用傳感器的價(jià)格到大眾可接受的水準(zhǔn),此時(shí)此刻,工業(yè)報(bào)不僅是參與者,更是見(jiàn)證者,還是行業(yè)忠實(shí)的陪伴者。一是年初三四月份,廚電和小家電板塊帶動(dòng)估值切換行情,包括老板電器、蘇泊爾、九陽(yáng)股份、華帝股份、小A等高增速個(gè)股漲幅較大,美國(guó)UL1993也要求在LED燈一端電源時(shí),為確保消費(fèi)者在購(gòu)更換LED燈管時(shí)的,目前我國(guó)強(qiáng)制性《替換熒光燈用雙端LED燈要求》正在制定中,

 

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