Description
PLC已经具备了模拟量的控制功能，有的PLC系统模拟量处理能力甚至还相当强大，比如西门子的S7 400、AB的Control Logix和施耐德的Quantum系统。而DCS也具备相当强劲的逻辑处理能力，比如我们在AC800F上实现了一切我们可能使用的工艺联锁和设备的联动启停。
Juniper ERX-GEFE256M-MOD 1-port GE or 8-port 10/100 FE
90 Day Hardware Warranty – Free Shipping!
Juniper T640-FPC2-E Enhanced FPC Type2 PICS T640 Router
90 Day Warranty – Free Worldwide Shipping
NEW Cisco CTS-CODEC-SEC Telepresence Sec Codec TS3000
90 Day Warranty – Free US Shipping
Cisco BPX-BXM-T3-8E 8Port T3 Enhanced BAA3HGGBAA
90 Day Warranty – Free Worldwide Shipping!
Cisco MGX-2GE 2Port Gigabit Ethernet for MGX 8880 VXSM
90 Day Warranty – Free Worldwide Shipping!
Cisco MGX-2OC12POS 2port OC12 8800/8900 single height
90 Day Warranty – Free Overnight Shipping!
Juniper PB-48FE-TX-MDIX 48-port TX PIC M40e M120 M320
90 Day Hardware Warranty – Free Shipping Make Offer!
New Juniper NS-5000-8G2 Netsreen 8 GigE Secure Port Mod
90 Day Hardware Warranty – Free Shipping!
