AB 1785-BCM4500

分類:
選擇深圳長欣,選擇放心,售后無憂
大量現(xiàn)貨,當天順豐發(fā)貨!
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描述

AB 1785-BCM4500

要提高現(xiàn)場輸入給PLC信號的可靠性,首先要選擇可靠性較高的變送器和各種開關(guān),防止各種原因引起傳送信號線短路、斷路或接觸不良。其次在程序設(shè)計時增加數(shù)字濾波程序,增加輸入信號的可信性。
在現(xiàn)場輸入觸點后加一定時器,定時時間根據(jù)觸點抖動情況和系統(tǒng)要的響應(yīng)速度確定,一般在幾十ms,這樣可保證觸點確實穩(wěn)定閉合后,才有其它響應(yīng)。模擬信號濾波可采用圖2b程序設(shè)計方法,對現(xiàn)場模擬信號連續(xù)采樣3次,采樣間隔由A/D轉(zhuǎn)換速度和該模擬信號變化速率決定。3次采樣數(shù)據(jù)分別存放在數(shù)據(jù)寄存器DT10、DT11、DT12中,當最后1次采樣結(jié)束后利用數(shù)據(jù)比較、數(shù)據(jù)交換指令、數(shù)據(jù)段比較指令去掉最大和最小值,保留中間值作為本次采樣結(jié)果存放在數(shù)據(jù)寄存器DT0中。
提高讀入PLC現(xiàn)場信號的可靠性還可利用控制系統(tǒng)自身特點,利用信號之間關(guān)系來判斷信號的可信程度。如進行液位控制,由于儲罐的尺寸是已知的,進液或出液的閥門開度和壓力是已知的,在一定時間里罐內(nèi)液體變化高度大約在什么范圍是知道的,如果這時液位計送給PLC的數(shù)據(jù)和估算液位高度相差較大,判斷可能是液位計故障,通過故障報警系統(tǒng)通知操作人員檢查該液位計。又如各儲罐有上下液位極限保護,當開關(guān)動作時發(fā)出信號給PLC,這個信號是否真實可靠,在程序設(shè)計時我們將這信號和該罐液位計信號對比,如果液位計讀數(shù)也在極限位置,說明該信號是真實的;如果液位計讀數(shù)不在極限位置,判斷可能是液位極限開關(guān)故障或傳送信號線路故障,同樣通過報警系統(tǒng)通知操作人員處理該故障。由于在程序設(shè)計時采用了上述方法,大大提高了輸入信號的可靠。

產(chǎn)品承諾:

保?證?全新原裝進口,
保?證?安全準時發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢價格,大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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Agilestar – FTRJ1521P1BCL-A?S – For Finisar – New in Box

Agilestar – AA1419033-E5-AS – For Nortel – New in Box

Agilestar – AA1419034-E5-AS – For Nortel – New in Box

Agilestar – AA1419035-E5-AS – For Nortel – New in Box

Agilestar – AA1419036-E5-AS – For Nortel – New in Box

Agilestar – AA1419037-E5-AS – For Nortel – New in Box

Agilestar – AA1419038-E5-AS – For Nortel – New in Box

Agilestar – AA1419039-E5-AS – For Nortel – New in Box

Agilestar – AA1419040-E5-AS – For Nortel – New in Box

Agilestar – ONS-SI-2G-L1 – For Cisco – New In Box

Agilestar – 3HE00564AA – For Alcatel-Lucent – NIB

Agilestar – FTLF1619P1BCL-A?S – For Finisar – New in Box

Agilestar – LCP-1250B4MDRT-?AS – For Delta – New in Box

Agilestar – FTLF1721P2BTL-A?S – For Finisar – New in Box

Agilestar – FTLF1328P2BNV-A?S – For Finisar – New in Box

Agilestar – ONS-SI-2G-L2 – For Cisco – New In Box

Agilestar – 10GBASE-LR – For Enterasys Networks – NIB

Agilestar – FTLX1412M3BCL – For Finisar – New In Box

Agilestar – 0231A363-AS – For Huawei – New in Box

Agilestar – 10G-XNPK-SR – For Foundry Networks – NIB

Agilestar – ONS-SC-GE-LX – For Cisco – New in Box

Agilestar – FTLX1412D3BCL – For Finisar – New In Box

Agilestar – SU69CA-AS – For Marconi – XFP 10GBASE-LR SM

Agilestar – 455883-B21-AS – For HP – New in Box

Agilestar – AS-SFP10G-SR – For Agilestar – New in Box

Agilestar – 10302 – For Extreme Networks – New in Box

Agilestar – FTLF1521P1BCL-A?S – For Finisar – New in Box

Agilestar – FTLF1721P2BCL-A?S – For Finisar – New in Box

Agilestar – GP-SFP-OC48-LR2 – Force 10 Networks – NIB

Agilestar – GP-XFP-1L – For Force 10 Networks – NIB

Agilestar – 1184543P5 – For use in Adtran – New in Box

Agilestar – 10G-SFPP-SR – For use in Brocade – NIB

Agilestar – EX-XFP-10GE-LR – Juniper – New in Box

Agilestar – EX-SFP-10GE-LR – Juniper – New in Box

Agilestar – SMC10GXFP-LR – For SMC – New in Box

Agilestar – AT-SPLX40/1550-?AS – For Allied Telesyn – Ne

Agilestar – FTRJ1619P1BCL-A?S – For Finisar – New in Box

Agilestar – AFCT-711XPDZ-AS – For Agilent-Avago – New i

Agilestar – AFCT-721XPDZ-AS – For Agilent-Avago – New i

Agilestar – SMC10GXFP-SR – For SMC – New in Box

Agilestar – DS-SFP-FC8G-LW – For Cisco – New in Box

Agilestar – 10GBSRXFP – For use in Brocade – NIB

Agilestar – JD106B – For HP – New in Box

Agilestar – FTLX1411M3 – For Finisar – New In Box

Agilestar – AT-G8ZX70/1310-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1330-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1350-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1370-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1390-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1410-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1430-?AS – For Allied Telesyn – Ne

Agilestar – AT-G8ZX70/1450-?AS – For Allied Telesyn – Ne

Agilestar – FTLX8541E2-AS – For Finisar – New in Box

NEW Agilestar EX-XFP-10GE-LR Trnscvr Module 3XAvlble

Agilestar – XFP-10GE-LR – For Alcatel-Lucent – NIB

Agilestar – XENPAK-10GB-LR+ – For Cisco – New in Box

Agilestar – 10301 – For Extreme Networks – New in Box

Agilestar – ONS-XC-10G-S1 – For Cisco – NIB

Agilestar – TN-SFP-FC2XS15 – For Transition Networks

Agilestar – AFBR-703ASDZ-AS – For Agilent-Avago – New i

Agilestar – FTLX1471D3BCL – For Finisar – New In Box

Agilestar – ONS-SC-155-EL – For Cisco – New in Box

Agilestar – FTLF1721P1BCL-A?S – For Finisar – New in Box

Agilestar – 0231A0A6 – For use in 3Com – New in Box

Agilestar – AFBR-700SDZ-AS – For Agilent-Avago – New in

Agilestar – AFBR-703SDDZ-AS – For Agilent-Avago – New i

Agilestar – AFBR-703SDZ-AS – For Agilent-Avago – New in

Agilestar – FTLF1424P2BTD-A?S – For Finisar – New in Box

Agilestar – LCP-10G3A4EDR-A?S – For Delta – New in Box

Agilestar – TSP-10G3B1QER-A?S – For Delta – New in Box

Agilestar – 200E-XBR-000250 – For use in Brocade – NIB

Agilestar – BTI-10GLR-XFP-A?S – For Telco – New in Box

Agilestar – 10G-XFP-LR – For Foundry Networks – NIB

Agilestar – 10GBASE-LR-XFP – Enterasys Networks – NIB

Agilestar – 3HE00034AA – For Alcatel-Lucent – NIB

Agilestar – 3HE00035AA – For Alcatel-Lucent – NIB

Agilestar – SFP-10G-LR – For Cisco – New in Box

Agilestar – FG-TRAN-SFPP-SR – For use in Fortinet – NIB

Agilestar – AA1419004-E5 – For Nortel – New in Box

Agilestar – J8436A – For HP – New in Box

Agilestar – J8175A – For HP – New in Box

Agilestar – ONS-SI-GE-LX – For Cisco – New in Box

Agilestar – ONS-GX-2FC-SML – For Cisco – New in Box

Agilestar – XFP-10G-MM-SR – For Cisco – NIB

Agilestar – AA1419040 – For Nortel – New in Box

Agilestar – AA1419039 – For Nortel – New in Box

Agilestar – AA1419038 – For Nortel – New in Box

Agilestar – AA1419037 – For Nortel – New in Box

Agilestar – AA1419036 – For Nortel – New in Box

Agilestar – AA1419035 – For Nortel – New in Box

Agilestar – AA1419034 – For Nortel – New in Box

Agilestar – AA1419033 – For Nortel – New in Box

Agilestar – X2-10GB-LR – For Cisco – New in Box

Agilestar – SFP-10G-LRM – For Cisco – SFP+ LRM 1310nm

Agilestar – 10056 – For Extreme Networks – New in Box

Agilestar – 10057 – For Extreme Networks – New in Box

Agilestar – XBR-000144 – For use in Brocade – NIB

Agilestar – EX-SFP-10GE-SR – Juniper – New in Box

Agilestar – XENPAK-10GB-LR – For Cisco – New in Box

Agilestar – 10GBSR XFP-AS – For Brocade – New in Box

Agilestar – AA1403001-AS – For Nortel – New in Box

Agilestar – AA1419029-AS – For Nortel – New in Box

Agilestar – FTR-1519-V2-AS – For Finisar – New in Box

Agilestar – SFPP-SR-AS – For Fujitsu – New in Box

Agilestar – AS-SFP10G-LRM – For Agilestar – New in Box

Agilestar – AS-XFP-10G-SR – For Agilestar – New in Box

Agilestar – FG-TRAN-SFP SR-AS – For Fortinet – New in B

Agilestar – FG-TRAN-XFPSR – For use in Fortinet – NIB

Agilestar – 3CXENPAK92 – For use in 3Com – 10GBASE-LR

Agilestar – 3CXFP92 – For use in 3Com – 10GBASE-LR

Agilestar – LC-GBIC-ZX-AS – For Aruba – New in Box

Agilestar – 10122 – For Extreme Networks – New in Box

Agilestar – AS-X2-10G-SR – For Agilestar – New in Box

Agilestar – AS-XEN-10G-SR – For Agilestar – New in Box

Agilestar – FTR-1621T-47-AS – For Finisar – New in Box

Agilestar – FTR-1621T-49-AS – For Finisar – New in Box

Agilestar – FTR-1621T-51-AS – For Finisar – New in Box

Agilestar – FTR-1621T-53-AS – For Finisar – New in Box

Agilestar – FTR-1621T-55-AS – For Finisar – New in Box

Agilestar – FTR-1621T-57-AS – For Finisar – New in Box

Agilestar – FTR-1621T-59-AS – For Finisar – New in Box

Agilestar – FTR-1621T-61-AS – For Finisar – New in Box

Agilestar – ONS-SE-100-BX10?U – For Cisco – New in Box

Agilestar – ONS-SE-100-BX10?D – For Cisco – New in Box

Agilestar – PAN-XFP-LR – For Palo Alto – New in Box

Agilestar – FTRJ1721P1BCL-A?S – For Finisar – New in Box

Agilestar – FTL-1519-3D-AS – For Finisar – New in Box

Agilestar – FTRJ1519P1BCL-A?S – For Finisar – New in Box

Agilestar – LCP-8500A4EDR-A?S – For Delta – New in Box

Agilestar – 10110 – For Extreme Networks – New in Box

Agilestar – AFCT-701ASDZ-AS – For Agilent-Avago – New i

Agilestar – AFCT-701SDDZ-AS – For Agilent-Avago – New i

Agilestar – AFCT-701SDZ-AS – For Agilent-Avago – New in

Agilestar – HFCT-711XPD-AS – For Agilent-Avago – New in

Agilestar – AA1419069-E6 – For Nortel – New in Box

Agilestar – AA1419070-E6 – For Nortel – New in Box

Agilestar – AA1419003-E5 – For Nortel – New in Box

Agilestar – 1184560P6 – For use in Adtran – New in Box

Agilestar – DS-X2-E10G-SR – For Cisco – NIB

Agilestar – JD108B – For HP – New in Box

Agilestar – SFP-1OC48-LR – Juniper – New in Box

Agilestar – 808-38601-AS – For IMC Networks – New in Bo

Agilestar – 3CXENPAK94 – For use in 3Com – 10GBASE-SR

Agilestar – FTLF8528P2BCV-A?S – For Finisar – New in Box

Agilestar – FTLF1424P2BCV-A?S – For Finisar – New in Box

Agilestar – TSP-10G3A1EER-A?S – For Delta – New in Box

Agilestar – AS-OC48-LR2 – For Agilestar – New in Box

Agilestar – I-MGBIC-GLX – For Enterasys Networks – NIB

Agilestar – 808-38141-AS – For IMC Networks – New in Bo

Agilestar – 808-38142-AS – For IMC Networks – New in Bo

Agilestar – 808-38143-AS – For IMC Networks – New in Bo

Agilestar – 808-38144-AS – For IMC Networks – New in Bo

Agilestar – 808-38145-AS – For IMC Networks – New in Bo

Agilestar – 808-38146-AS – For IMC Networks – New in Bo

Agilestar – 808-38147-AS – For IMC Networks – New in Bo

Agilestar – 808-38148-AS – For IMC Networks – New in Bo

Agilestar – 808-38149-AS – For IMC Networks – New in Bo

Agilestar – 808-38150-AS – For IMC Networks – New in Bo

Agilestar – 808-38151-AS – For IMC Networks – New in Bo

Agilestar – 808-38152-AS – For IMC Networks – New in Bo

Agilestar – 808-38153-AS – For IMC Networks – New in Bo

Agilestar – 808-38154-AS – For IMC Networks – New in Bo

Agilestar – 808-38155-AS – For IMC Networks – New in Bo

Agilestar – 808-38156-AS – For IMC Networks – New in Bo

Agilestar – 808-38157-AS – For IMC Networks – New in Bo

Agilestar – 808-38158-AS – For IMC Networks – New in Bo

Agilestar – LCP-2488D4RDRT-?AS – For Delta – New in Box

Agilestar – FTLF1424P2BCL-A?S – For Finisar – New in Box

Agilestar – 808-38611-AS – For IMC Networks – New in Bo

Agilestar – FTLX1471D3BCV-A?S – For Finisar – New in Box

Agilestar – FTRJ1519P1BNL-A?S – For Finisar – New in Box

Agilestar – ONS-SI-2G-I1 – For Cisco – New In Box

Agilestar – E1MG-LHA-OM – For Foundry Networks – NIB

Agilestar – E1MG-CWDM80-147?0 – Foundry Networks – NIB

Agilestar – E1MG-CWDM80-153?0 – Foundry Networks – NIB

Agilestar – E1MG-CWDM80-159?0 – Foundry Networks NIB

Agilestar – GIC-CWDM-1490 – Riverstone Networks -NIB

Agilestar – GIC-CWDM-1530 – Riverstone Networks – NIB

Agilestar – GIC-CWDM-1550 – Riverstone Networks – NIB

Agilestar – GIC-CWDM-1570 – Riverstone Networks – NIB

Agilestar – GIC-CWDM-1590 – Riverstone Networks – NIB

Agilestar – GIC-CWDM-1610 – Riverstone Networks – NIB

Agilestar – AA1419049-E6 – For Nortel – New in Box

Agilestar – E1MG-CWDM80-149?0 – Foundry Networks -NIB

Agilestar – E1MG-CWDM80-151?0 – Foundry Networks – NIB

Agilestar – E1MG-CWDM80-155?0 – Foundry Networks – NIB

Agilestar – E1MG-CWDM80-161?0 – Foundry Networks – NIB

Agilestar – GIC-CWDM-1470 – Riverstone Networks – NIB

Agilestar – GIC-CWDM-1510 – Riverstone Networks – NIB

Agilestar – GP-SFP-OC48-1IR?1 – Force 10 Networks – NIB

Agilestar – TN-SFP-ESX6 – For Transition Networks – NIB

Agilestar – XFP-10G-S – Juniper – New in Box

Agilestar – EX-XFP-10GE-SR – Juniper – New in Box

Agilestar – ASM-SE8-GBIC-LX?70 For Redback – New in Box

Agilestar – PL-XXL-SC-S45-2?1 – For Q-Logic – New in Box

Agilestar – XENPAK-10GB-SR – For Cisco – New in Box

Agilestar – XFP-10G-S – For Juniper Networks – NIB

Agilestar – XFP-10GLR-OC192?SR – For Cisco – New in Box

Agilestar – AT-SP2670IR-AS – For Allied Telesyn – New i

Agilestar – CWDM100-1470-AS – For Foundry – New in Box

Agilestar – CWDM100-1490-AS – For Foundry – New in Box

Agilestar – CWDM100-1510-AS – For Foundry – New in Box

Agilestar – CWDM100-1530-AS – For Foundry – New in Box

Agilestar – CWDM100-1550-AS – For Foundry – New in Box

Agilestar – CWDM100-1570-AS – For Foundry – New in Box

Agilestar – CWDM100-1590-AS – For Foundry – New in Box

Agilestar – CWDM100-1610-AS – For Foundry – New in Box

Agilestar – E1MG-CWDM80-157?0-AS – For Foundry – New in

Agilestar – FTLF1428P2BNV-A?S – For Finisar – New in Box

Agilestar – FTLF1519P1BCL-A?S – For Finisar – New in Box


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點經(jīng)驗。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個大概,以便學習編程時查找);
2、由位控邏輯入手,逐漸增加定時、計數(shù)等條件,把或、與、非關(guān)系理順;
3、進而練習整數(shù)運算、實數(shù)運算、類型轉(zhuǎn)換;
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個物理回路驗證,比如變頻器+電機+測速傳感器);
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制(盡量避免跳轉(zhuǎn),非跳不可時也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅(qū)動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學會一種至于其它的學習起來也就簡單了。