描述
其次,合理地设置电磁流量计阻尼时间和功能,也可以解决出现气泡噪声测量的误报警。阻尼时间的选择是根据流量信号中发生气泡噪声的脉冲宽度来选取。一般应取阻尼时间为气泡噪声脉冲宽度的3~5倍。如气泡噪声脉冲宽度是10s,阻尼时间应取30~50s。具体选择应根据要求的控制精度,3倍脉冲宽度控制误差在5%,5倍脉冲宽度控制精度高于1%。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
ALLEN BRADLEY 1785-05B BROADBAND MODEM CH. B
Allen Bradley PLC 5/20 CPU 1785-L20B Ser C.
Allen Bradley AB 1785 L60B / C PLC-5 Processor Module.
Allen Bradley AB 1785 L60B / C PLC-5 Processor Module *
Allen Bradley 1785-O5G 4 Map OSI Coprocessor 1785-05G *
Allen Bradley AB 1785-LT3A Processor
Allen Bradley 1785-LT PLC-5/15 Processor Module
1785-LT3 SERIES A – REV L – ALLEN BRADLEY 1YR WARNTY
Allen Bradley AB 1785-KE Communication Module PLC
1785-L60B/E ALLEN BRADLEY PLC-5 CONTROLLER
ALLEN BRADLEY CAT# 1785-L30B/E ENHANCED PLC-5 CONTROLER
1771-CT 1771CT PLC Parellel Power Cable 1772 1785
LOT OF 2 ALLEN BRADLEY PLC-5/11 PROCESSORS C# 1785-L11B
Allen Bradley AB 1785-MJ 8K EEPROM Memory Module *
ALLEN BRADLEY 1785-LT2 PLC-5/25 PROCESSOR MODULE
ALLEN BRADLEY 1785-L60B PROCESSOR REMANED 1785L60B
1785-L40B/C Allen Bradley PLC 5 1785L40B N750
ALLEN BRADLEY PLC-5/15 PROCESSOR CAT. NO 1785-LT B
Allen Bradley 1785-L11B 1785L11B Series C PLC 5/11
Allen Bradley AB 1785-L20B PLC5/20 Processor 1785L20B *
ALLEN BRADLEY PROCESSOR MODULE 1785-LT3
Allen Bradley 1785-L40B Ser C Processor
Allen Bradley 1785-KA5 DH+/DH485 Gateway Comm Adapter
Allen Bradley AB 1785 LT4 / A Processor Module PLC-5 *
1785-LT B PLC-5/15 Allen Bradley 1785LT N751
ALLEN BRADLEY 1785-LT4 PLC-5/10 PROCESSOR MODULE
1771-HS3CR 1771HS3CR 3 Axis Servo Controller AB 1785
Allen Bradley 1785-L20B C Processor PLC
1785-L20B ALLEN BRADLEY
1785-LTB ALLEN BRADLEY
1785-L30B/E ALLEN BRADLEY
1785-L11B/E Allen Bradley PLC 5 1785L:11B N908
Allen Bradley Processor Module 1785-LT3 #15099
Allen Bradley AB 1785 BCM Backup Communication Module
Allen Bradley 1785-L20B PLC-5/30 Processor Module S53
Allen Bradley 1785-L30B PLC-5/30 Processor Module S53
1785-LT B Allen Bradley PLC-5/15 Processor Module
ALLEN BRADLEY 1785-LT/B 5/15 PROCESSOR
1785-MR Allen Bradley PLC 4K Memory 1785MR A33
ALLEN BRADLEY 1785-KA5P /B GATEWAY STANDALONE MODULE
Allen Bradley 1785-MK 16K EEPROM Memory Module
1771-OBD 1771OBD SERIES B 10 TO 60 VOC OUTPUT 1772 1785
ALLEN BRADLEY 60-1785 SERIES B MOUNTING KIT
Allen Bradley 1785-O5E 1785O5E OSI Interface NIB FS
ALLEN BRADLEY 1785-L20B/A PLC 5/30 1785L20B ser A
ALLEN BRADLEY 1785-L60B/E ENHANCED PLC-5 CONTROLLER
Allen Bradley 1785-LT4/1785LT?4 5/10Processor
1771-PS7 1771PS7 SERIES C POWER SUPPLY 1772 1785
Allen Bradley 1785-KA 1785KA DH DH+ Comm Module NIB
Allen Bradley 1785-MJ 1785MJ PLC 2 8K EEPROM
Allen Bradley 1785-O5B 1785O5B Broadband Modem LNC
Allen-Bradley 1785-KA3 DH+ PLC-2 INTFC GOOD! 1785KA3
1771-P7 1771P7 Power Supply PLC5 PLC 1785 1772
Allen Bradley 1785-LT3 Module PLC-5/12 _ Firmware Rev G
ALLEN BRADLEY 1785-L40B/E REV D01 PROCESSOR MODULE
ALLEN BRADLEY 1785-L20B SER E PROCESSOR MODULE
Allen Bradley PLC-5/12 Processor Module 1785-LT3 C A
Allen Bradley PLC5/20 Processor Module 1785-L20B C
ALLEN BRADLEY 1785-L40B/E PROCESSOR 1785L40B
Allen Bradley 1785-LT/1785LT Series A
1771-P7 1771P7 Power Supply PLC5 PLC 1785 1772
Allen Bradley 1785-ME16 A 1785ME16 Memory Cartridge
1785-L30B/D Allen Bradley PLC 5 1785L30B N918
Allen Bradley 1785-LT2 1785LT2 PLC-5/25 Processor
ALLEN BRADLEY 1785-L40B/E PROCESSOR 1785L40B
ALLEN BRADLEY 1785-L40B/E PROCESSOR 1785L40B
ALLEN BRADLEY 1785-ENET/B PROCESSOR 1785ENET
Allen-Bradley 1785-L80E
Allen Bradley PLC 1785-LT4 A Processor Module Used