AB 1756-IC16 模塊 全新原裝
AB 1756-IC16 模塊 全新原裝
AB 1756-IC16 模塊 全新原裝
1．輸入/輸出單元
輸入/輸出單元通常也稱I/O單元或I/O模塊，是PLC與工業生產現場之間的連接部件。
PLC通過輸入接口可以檢測被控對象的各種數據，以這些數據作為PLC對被控制對象進行控制的依據；同時PLC又通過輸出接口將處理結果送給被控制對象，以實現控制目的。
由於外部輸入設備和輸出設備所需的信號電平是多種多樣的，而PLC內部CPU的處理的信息只能是標準電平，所以I/O接口要實現這種轉換。
I/O接口一般都具有光電隔離和濾波功能，以提高PLC的抗幹擾能力。另外，I/O接口上通常還有狀態指示，工作狀況直觀，便於維護。
PLC提供了多種操作電平和驅動能力的I/O接口，有各種各樣功能的I/O接口供用戶選用。I/O接口的主要類型有：數字量（開關量）輸入、數字量（開關量）輸出、模擬量輸入、模擬量輸出等。
常用的開關量輸入接口按其使用的電源不同有三種類型：直流輸入接口、交流輸入接口和交/直流輸入接口。
常用的開關量輸出接口按輸出開關器件不同有三種類型：是繼電器輸出、晶體管輸出和雙向晶閘管輸出。
繼電器輸出接口可驅動交流或直流負載，但其響應時間長，動作頻率低；而晶體管輸出和雙向晶閘管輸出接口的響應速度快，動作頻率高，但前者只能用於驅動直流負載，後者只能用於交流負載。
PLC的I/O接口所能接受的輸入信號個數和輸出信號個數稱為PLC輸入/輸出（I/O）點數。I/O點數是選擇PLC的重要依據之一。當係統的I/O點數不夠時，可通過PLC的I/O擴展接口對係統進行擴展。
2．通信接口
PLC配有各種通信接口，這些通信接口一般都帶有通信處理器。
PLC通過這些通信接口可與監視器、打印機、其它PLC、計算機等設備實現通信。
PLC與打印機連接，可將過程信息、係統參數等輸出打印；與監視器連接，可將控制過程圖像顯示出來；與其它PLC連接，可組成多機係統或連成網絡，實現更大規模控制。
與計算機連接，可組成多級分布式控制係統，實現控制與管理相結合。遠程I/O係統也配備相應的通信接口模塊。
3．智能接口模塊
智能接口模塊是一獨立的計算機係統，它有自己的CPU、係統程序、存儲器以及與PLC係統總線相連的接口。
它作為PLC係統的一個模塊，通過總線與PLC相連，進行數據交換，並在PLC的協調管理下獨立地進行工作。
PLC的智能接口模塊種類很多，如：高速計數模塊、閉環控制模塊、運動控制模塊、中斷控制模塊等。
SAMSUNG ROCKWELL DEVICE NET NX I/O-DNA,STATUS NXIO-XP16B[13],NXIO-YN16G[9]
SAMSUNG SERVO DRIVER CSD3-04BX1(SAMPLE) MOTOR CSMT-04BQ1ABT3 400W TESTED WORKING
SAMSUNG SERVO DRIVER MOTOR CSDP-30BX1,CSMD-30BA1ATM3 3KW CNC ROUTER WORKING
SAMSUNG SRC-BBC4S HVLP-100-1AC BOARD
SAMSUNG SRC-BN486 CPU BOARD N.C.C. N486 B'D
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SAMSUNG TECHWIN BOARD 45 ADDA B/D VER:2.0
SAMSUNG TECHWIN BOARD 45 ADDA B/D VER:D,J9060150A FREE SHIP
SAMSUNG TECHWIN BOARD 45 MEMORY B/D VER:1.1 FREE SHIP
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SAMSUNG TECHWIN MEMORY BOARD VER:1.2
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SAMSUNG TECHWIN SM1 ENCODER MONITORING BOARD J9060341A
SAMSUNG TECHWIN SM431 CAN IO BOARD J91741190A
SAMSUNG TECHWIN VME ILL BOARD SM321-VME-ILL REV:1.0
SAMSUNG TECHWIN X7043 STEP CONTROL BOARD J91741015A
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SANYO DENKI MOTOR 63BM007FXE00 #1 FREE SHIP
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SANYO ROBOT CONTROLLER SC3300 ASSEMBLY PARTS AC POWER WRCQ43BS-OC
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SATO BOARD K43-02-CONT REV1.0A, M-4800 RV-KB REV1.1, 16265SS3 R2 POWER ON TESTED
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SATO BOARD PCB-REV1.3 HG300851D,EHM-CONT-REV2.0A,HG300811C,H00473000,H0047400 #2
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SB10-0031 EL CONT1 BOARD 10I-0451A
SBC P/N 171-0541 BOARD,H16CPUM 986-2001,171-0548B
SBC,PC,ADVANTECH PCI-6771 CPU BOARD TESTED WORKING
SBC,PC,IPC,KLA TENCOR 270733 B,PCA 0486,TEXAS FAB 796-F 17425B COMPUTER BOARD
豫公安備 41010502000017號