主要是各 PLC 所控制设备按 PLC 内的控制程序进行顺序控 制。全轧线的顺序控制是按过程计算机所给出的跟踪信号 进行控制的。跟踪分为宏跟踪和微跟踪，其中微跟踪又分 为初轧区和连轧区微跟踪，分别由1台 90-70PLC实现。是跟踪、HMI、数据管理、顺序控制与传动装置之间的桥 梁和纽带，它是软件与硬件之间的接口程序，速度控制的 好坏直接影响着产品的质量。 控制系统程序接受来自 PLC、HMI的指令，接收来自数据 管理器的数据以及现场的I/O 信号，为马达提供自动或手 动的速度设定值。速度控制主要实现速度设定点的计算、 辊道的自动/手动的控制等主要功能。
Extreme Networks 41511 BlackDiamond 8800 48Port 10/100/1000BaseT G48T
Extreme Networks G16X 51051 Black Diamond 6800 WARRANTY
Extreme Networks Summit X250e48t switch 48 ports managed 15103
Extreme Networks 15749 Wireless Access Point
Extreme Networks 10911 EPS500 External AC PSU,500Watt
Extreme Networks 13240 8001050005 Summit 20024
Extreme Networks,Altitude 4611 Indoor Ap
EXTREME NETWORKS 41511 G48T GIGABIT MODULE
Extreme Networks 8800/8810 Series 41211 MSMG8X Aspen Management
Extreme Networks 20048 48 Port 10/100 Ethernet Switch
Extreme Networks 45080 ALPINE 3808 9 SLOT CHASSIS
Extreme Networks 45080 ALPINE 3808 9 SLOT CHASSIS
10016 1000BASELX/LH GBIC for Extreme Networks
Extreme Networks BlackDiamond 8800/8810 41211 MSMG8X Aspen Mgmt Module w 8 GBIC
Extreme Networks Summit X250e24t Managed PoE Switch XOS WARNTY QwikSHIP
Extreme 15761 Extreme Networks Altitude 4511 IEEE 8
5 15700 Extreme Networks Altitude 3002i Dual Radio
EXTREME NETWORKS 15761 Altitude AP4511 AGBN SINGLE RADIO
EXTREME NETWORKS 10925 Summit 550W AC PSU FB 550W AC Power Supply module
Agilestar 10121 For Extreme Networks
Extreme Networks Summit X250e24t Managed PoE Switch XOS noEARS WARNTY QwikSHIP
Extreme 15761 Extreme Networks Altitude 4511 IEEE 8
5 15700 Extreme Networks Altitude 3002i Dual Radio
EXTREME NETWORKS 15761 Altitude AP4511 AGBN SINGLE RADIO
EXTREME NETWORKS 10925 Summit 550W AC PSU FB 550W AC Power Supply module
Agilestar 10121 For Extreme Networks
Extreme Networks Summit X250e24t Managed PoE Switch XOS noEARS WARNTY QwikSHIP
Extreme Networks 10BASELR Xenpak Module 4050100014 1310nm
Extreme Networks,TBar Wlan Ap Bracket 10 Pcs
Extreme Networks,Stacking Cable,5.0M Summitstack Stacking Cable 5.0
Extreme Networks Summit X460 AC PSU Power supply hotplug/redundant 10930
Extreme Networks SFP(miniGBIC)transceiver module
