6ES5-318-3UA11接口模塊
6ES5-318-3UA11接口模塊
6ES5-318-3UA11接口模塊
一、功能介紹
AC60係列變頻器內置國際標準的MODBUS(從站)通信協議,配合RS485通信模塊,可非常方便的實現遠程通訊控制功能。
二、S7-200的自由口通信模式說明
S7-200係列PLC有一種特殊的通信模式:自由口通信模式。在這種通信模式下。用戶可以在自定義的通信協議(可以在用戶程序中控制通信參數:選擇通信協議、設定波特率、設定校驗方式、設定字符的有效數據位)下,通過建立通信中斷事件,使用通信指令,控制PLC的串行通信口與其它設備進行通信。只有當CPU主機處於RUN工作方式下(此時特殊繼電器SM0.7為1)才允許自由通信模式,此時S7-200失去了與標準通信裝置進行正常通信的功能。當CPU主機處於STOP工作方式下時,自由通信模式被禁止,PLC的通信協議由自由通信協議自動切換到正常的PPI通信協議。
三、下面以西門子S7-200係列PLC為例,介紹PLC與變頻器建立通訊並實現對變頻器起停、頻率給定、監控、發送廣播指令等功能的控制。
變頻器作為MODBUS協議從站接收來自CPU226 PLC的通信指令。
一、 變頻器在與CPU226通信前須做好以下準備工作:
1.確認已安裝好AC60係列485通信模塊;
2.用一根帶9針陽性插頭的串口通信電纜連接在CPU226 PLC的自由通信口端(PORT0或PORT1),電纜另一端的第3、8線分別接在CHV變頻器A+、B-端子上;
3.預先設置變頻器以下參數:
H-66=0//變頻器設為從站
H-67=1 //變頻器通訊地址為1
H-69=3 //通訊波特率9.6K
H-68=1 //(E、8、1)//通訊數據偶校驗
E-01=2 //變頻器的運行採用通訊方式
E-02=6 //變頻器的給定頻率設定採用通訊方式
二.PLC內存使用說明
西門子S7-200係列PLC的自由通訊端口編程必定會用到兩個指令,即XMT(發送)指令和RCV(接收)指令。編寫程序時需要為這兩個指令指定數據緩衝區,一般以低位數為0的地址作為數據緩衝區的起始地址。
1.發送指令XMT緩衝區(寫/讀)
VB100 //xmt指令要發送的字節個數
VB101 //變頻器通訊地址(01)
VB102 //modbus功能碼(06/03)
VB103 //變頻器被寫地址高位/變頻器被讀起始地址高位
VB104 //變頻器被寫地址低位/變頻器被讀起始地址低位
VB105 //被寫數據高位/被讀數據字個數高位
VB106 //被寫數據低位/被讀數據字個數低位
VB107 //被發送數據CRC低位
VB108 //被發送數據CRC高位
2.接收指令RCV緩衝區
VB200 //rcv指令要接收的字節個數
VB201 //變頻器地址(01)
VB202 //modbus功能碼(06/03)
VB203 //變頻器被寫地址高位/被讀數據字節個數高位
VB204 //變頻器被寫地址低位/被讀數據字節個數低位
VB205 //被寫數據高位/被讀數據高位
VB206 //被寫數據低位/被讀數據低位
VB207 //被接收數據CRC低位
VB208 //被接收數據CRC高位
VB217 //被接收數據CRC驗算低位
VB218 //被接收數據CRC驗算高位
2.CRC校驗子程序(SBR0)
AC60變頻器內置的MODBUS協議採用RTU傳輸格式,只是採用了部分MODBUS從協議(只支持03、06、08H這三種命令)通信速率比ASCII模式更快。該格式使用CRC校驗方式對每次發出或接收的數據幀進行校驗。因此,該子程序使用了多個局部變量,以方便其它子程序調用。
在西門子STEP 7-Micro/Win 編程環境下(如圖)
通信初始化 (PORT0)
CRC校驗子程序
三、S7-200PLC與n臺變頻器的連接圖(單對子布線)
? 既有建築展覽館項目國內LEED金獎項目
? 創新樓宇科技、豐富建築節能經驗,打造的綠色展館典範
? 助推西門子2030年“氣候友好”目標的實現
由西門子樓宇科技集團參與展館節能改造項目的廣交會展館A區近期成功榮獲“LEED既有建築運營與維護”金獎認證,成為展覽館項目中的國內LEED金獎項目。LEED,即綠色能源與環境設計獎,被譽為具性的綠色建築認證體係。
“發展綠色建築、節約能源資源是中國可持續發展的重要環節。作為智能樓宇綜合解決方案的市場者,西門子憑借創新、的樓宇技術和在建築節能領域的豐富經驗,一直致力於推動綠色建築節能產業的發展。”西門子(中國)有限公司執行副總裁、樓宇科技集團總經理邵康文表示,“廣交會展館A區項目榮獲LEED金獎,是西門子與中國對外貿易中心(集團)共同努力的成果,也標志著廣交會展館成為的綠色展館典範。作為的合作夥伴,西門子非常高興成功助力客戶實現綠色建築目標。”
此次榮獲LEED金獎認證的廣交會展館A區主要在可持續現場、節水措施、能源與大氣、材料與資源、室內環境質量、創新運行等諸多方面體現了綠色節能建築的運營理念。西門子與中國對外貿易中心(集團)在項目執行期間緊密合作,不斷改進,共同致力於優化展館的日常運營管理,實現更加綠色節能的目標,經過一年多的努力,成功獲此殊榮。
廣交會展館總建築面積110萬平方米,室內展廳總面積33.8萬平方米,室外展區面積4.36萬平方米,其中展館A區的建築面積大,使用年限長,室內展廳面積達13萬平方米。在改造之前的2012年,暖通空調和照明的能耗佔展館A區總能耗約54%。2013年,西門子為廣交會展館A區的暖通空調係統、照明係統,以及部分室外照明等設備係統進行了節能升級改造,負責提供包括前期分析、設計、設備採購、工程施工以及後期維護保養在內的節能改造整體解決方案。
西門子一直致力於幫助客戶實現綠色建築節能目標,例如幫助臺北101大樓獲得LEED白金獎認證,上海中心大廈獲得LEED金獎認證等。此外,西門子也對其新建築和現有建築進行嚴格的優化改造,以提高可持續性。到目前為止,西門子在中國已有12座建築獲得LEED認證,包括西門子在北京、上海、廣州的辦公大樓以及多個運營企業工廠建築。這些實際行動,再次印證了西門子在今年9月提出的2030年實現“氣候友好”目標的堅定決心,即於2030年實現凈零碳排放目標,成為實現這一目標的工業公司。
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Mitsubishi Melsec PLC Module FX-2DA Over 95% in box Free Ship
MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA
MODICON AS-M480-008 8K MEMORY CARTRIDGE -
MODICON AS-M480-008 8K MEMORY CARTRIDGE -
MODICON AS-M480-008 8K MEMORY CARTRIDGE -
Modicon MA-4947-200 P180 Keyboard Rev D
MORSE CADET 25 MOTOR SPEED CONTROL 157615 1/4HP
MORSE CADET 25 MOTOR SPEED CONTROL 157615 1/4HP
Motoman Dongles / Hardware Keys / RB-K01940
Motorola M2000-355 CRT Monitor 5031.E NOS in origional box
Motortronics LC2-1-P 240/480V Drive
MSA MiniOX Responder Oxygen Detector P/N 710965
MTS / CSM model MPD-10-460-03 servo drive surplus
MTS CSM Incol 473 part number 113791-69 or Gordos PB-24HQ
MULTILINK 10Gb/s Optical Transceiver MTC21208A /
Murphy Swichgage RPM Guage -
Murphy Swichgage RPM Guage -
MWM Diesle Original Part K TO 1810 Ws: 37.5225.511
MWM Diesle Original Part K TO 1810 Ws: 37.5225.511
MWM Diesle Original Part K TO 1810 Ws: 37.5225.511
MWM Diesle Original Part K TO 1910
MWM Diesle Original Part K TO 1910
MWM Diesle Original Part K TO 1910
Namco Limit Switch EA130-14200 un surplus -NIB
NB31200F WESTINGHOUSE CIRCUIT BREAKER 900 Amp 3 Pole 600 Volt
NCC TIMER 1.2-120 SECONDS 24 VDC
NCC TIMER 1.2-120 SECONDS 24 VDC
NOS VINTAGE CAPACITOR 2-363A004H118 7019 NO MARKINGS UNTESTED -FREE SHIP-
Oil Proof Limit Switch Micro Switch LSZ7A2B / 7550 item
Oil Proof Limit Switch Micro Switch LSZ7A2B / 7550 item
OMEGA 6102RTD-0-600C IN BOX
OMEGA 6102RTD-0-600C IN BOX
Omega FMA-904-I-S -
Omega FMA-904-I-S -
Omega FMA-904-I-S -
Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship
Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship
Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship
OMRON C500-ASC04 in Box Free Ship
OMRON C500-ASC04 in Box Free Ship
OMRON C500-ASC04 in Box Free Ship
OMRON C500-BC091 In Box Free Ship
OMRON C500-BC091 In Box Free Ship
OMRON C500-BC091 In Box Free Ship
OMRON CPU Unit C200HX-CPU64-E in Box Free Ship
OMRON CPU Unit C200HX-CPU64-E in Box Free Ship
OMRON CPU Unit C200HX-CPU64-E in Box Free Ship
Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship
Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship
Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship
Omron E39-X4 Light Source
OMRON H5-CN-BN TIMER SOURCE:12 TO 48VDC UN FROM . OB1
OMRON H5-CN-BN TIMER SOURCE:12 TO 48VDC UN FROM . OB1
OMRON Sysmac C60 K Programmable Controller PLC
OMRON Sysmac C60 K Programmable Controller PLC
OMRON Sysmac C60 K Programmable Controller PLC
Omron Z4D-F04D Micro Displacement Sensor UN
Opto 22 B4 32-channel Digital Brain Pamux Board -
Opto 22 B4 32-channel Digital Brain Pamux Board -
Opto 22 G4 IAC5 Solid State Input Module G4IAC5 UN
ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING
ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING
ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING
Ormec F Series Part # PAC-F50R 230vac 50amp power supply -
Ormec F Series Part # PAC-F50R 230vac 50amp power supply -
Ormec F Series Part # PAC-F50R 230vac 50amp power supply -