1756-IH16I/ABPLC模塊

在眾多生產領域中，經常需要對貯槽、貯罐、水池等容器中的液位進行監控，以往常采用傳統的繼電器接觸控制，使用硬連接電器多，可靠性差，自動化程度不高，目前已有許多企業采用*控制器對傳統接觸控制進行改造，大大提高了控制系統的可靠性和自控程度，為企業提供了更可靠的生產保障。本文在此介紹一種采用可編程控制器（PLC）對液位進行監控的一種方法，其電路結構簡單，投資少（可利用原有設施改造），監控系統不僅自動化程度高，還具有在線修改功能，靈活性強，適用于多段液位監控場合。

 1756-IH16I/ABPLC模塊

 1756-IB32 VDC INPUT 32PTS
 1756-IC16 VDC INPUT 16PTS
 1756-IF16 ANALOG INPUT-CURRENT/VOLTAGE 16PTS
 1756-IF6I ISOLATED ANALOG INPUT-CURRENT/VOLTAGE 6PTS
 1756-IF8 ANALOG INPUT-CURRENT/VOLTAGE 8PTS
 1756-IH16I VDC ISOLOTED INPUT 16PTS
 1756-IM16I VAC ISOLATED INPUT 16PTS
 1756-IN16 VAC INPUT 16 PTS
 1756-IR6I ISOLATED RTD INPUT 6PTS
 1756-IT6I ISOLATED THERMOCOUPLE/MV INPUT 6PTS
 1756-IV16 VDC SOURCING INPUT 16PTS
 1756-L1 LOGIX5550 PROCESSOR, 64KBYTE USER MEMORY
 1756-L1K CONFORMALLY COATED LOGIX 5550 PROCESSOR W/160KBYTE BASE MEMORY
 1756-L1M1 LOGIX5550 PROCESSOR, 512KBYTE USER MEMORY
 1756-L1M1K CONFORMALLY COATED LOGIX 5550 PROCESSOR W/512KBYTE BASE MEMORY
 1756-L1M2 LOGIX5550 PROCESSOR W/ 1M BYTE EXPANSION MEMORY
 1756-L1M2K CONFORMALLY COATED LOGIX5550 PROCESSPR W/1MBYTE EXPANSION MEMORY
 1756-L1M3 LOGIX5550 PROCESSOR WITH 2MBYTE EXPANSION MEMORY
 1756-L1M3K CONFORMALLY COATED LOGIX5550 PROCESSPR W/2MBYTE EXPANSION MEMORY
 1756-M02AE 2-AXIS MOTION MODULE
 1756-M08SE 1756 8 AXIS SERCOS SERVO MODULE
 1756-M1 LOGIX5550 512KBYTE EXPANSION MEMORY
 1756-M1K CONFORMALLY COATED LOGIX5550 EXPANSION MEMORY
 1756-M2 LOGIX5550 1MBYTE EXPANSION MEMORY
 1756-M2K CONFORMALLY COATED LOGIX5550 EXPANSION MEMORY
 1756-M3 LOGIX5550 2MBYTE EXPANSION MEMORY
 1756-M3K CONFORMALLY COATED LOGIX5550 EXPANSION MEMORY
 1756-MVI CLX MULTI VEND INTF
 1756-MVID MULTI-VENDR INTF DEV KIT
 1756-N2 EMPTY SLOT FILLER CARD
 1756-OA16 74-265 VAC OUTPUT 16PTS
 1756-OA16I 74-265 VAC ISOLATED OUTPUT 16PTS
 1756-OA8 74-265 VAC 2 AMP OUTPUT 8PTS
 1756-OA8D 74-132 VAC DIAGNOSTIC OUTPUT 8PTS