1747-SN/ABPLC模塊
功能模塊實現將地址1傳感器水位值送入%mw1，交換管理表置于%mw400：4，%mw401==0，說明通信成功，非零值記錄故障代碼。通信過程需占用一定時間，保證通信可靠，防止通信阻塞，4個傳感器通信分時進行，用上升沿觸發。讀取交換管理表確認通信是否成功，通信失敗應將故障代碼上送上位機并報警，將水位值保持為上一次正確通信時讀取的值。
上位機系統與plc之間通過以太網連接，水東電廠的計算機監控系統采用南瑞集團公司的nc2000系統。nari nc2000計算機監控系統是南瑞集團面向水利水電領域的新一代計算機監控系統軟件
1747-SN/ABPLC模塊
1747-OCSDCK FLASHDRIVE CABLE KIT FOR 1747 OPEN CONTROLLER
1747-OCTS OPEN CONTROLLER FAMILY SUPPORT CONTRACT
1747-OCUS OPEN CONTROLLER FAMILY UPDATE SERVICE
1747-OCVGA1 VGA OPTION MODULE FOR 1747 OPEN CONTROLLER PCI BUS
1747-OCVGAE COMBO OPTION MODULE
1747-PCIAA 1747 PCI BUS INTERFACE KIT
1747-PCIAB 1747 PCI BUS INTERFACE KIT
1747-PCIBA 1747 PCI BUS INTERFACE KIT
1747-PCIBB 1747 PCI BUS INTERFACE KIT
1747-PCIC INTERCONNECT CABLE 9.84 FT
1747-PCIC2 INTERCONNECT CABLE 32.81 FT
1747-PCIL 1746 CHASSIS INTERFACE MODULE
1747-PCINT API SOFTWARE FOR WINDOWS NT
1747-PCIS PCI CARD WITH 256K STATIC RAM
1747-PCIS2 PCI CARD WITH 1 MEG STATIC RAM
1747-PIC CONVERTER RS 232/DH 485
1747-PLXCLNTCBS RENEWAL CONTRACT
1747-PSD PROGRAM STORAGE DEVICE
1747-PT1 HANDHELD TERMINAL, 6' CABLE, NO BATTERY/MEM PAK
1747-PT1CC HANDHELD TERMINAL CARRYING CASE
1747-PTA1E MEMORY PAK-ENGLISH
1747-PTA1F MEMORY PAK- FRENCH
1747-PTA1G MEMORY PAK- GERMAN
1747-PTA1I MEMORY PAK- ITALIAN
1747-R21 ENGLISH MEMORY PAK
1747-R21F FRENCH MEMORY PAK
1747-R5 REPLACEMENT PARTS
1747-R7 REPLACEMENT PARTS
1747-RL302 UPGRADE KIT
1747-RL401 UPGRADE KIT
1747-SCNR CONTROLNET SCANNER FOR SLC PLATFORM
1747-SDN DEVICENET SCANNER MODULE
1747-SN REMOTE I/O SCANNER MODULE
