描述
控制规模主要指控制开关量的入、出点数及控制模拟量的模入、模出,或两者兼而有之(闭路系统)的路数。但主要以开关量计。模拟量的路数可折算成开关量的点,大致一路相当于8~16点。依这个点数,PLC大致可分为微型机、小型机、中型机及大型机、超大型机。
Juniper SRX650 Services Gateway Interface Module
Juniper DS3 PIC Cards w/ DS3 Cables M20, M40, M5, M10
Juniper PB-2GE-LX Genuine 2 GE LX SM
JUNIPER EX4500-PWR1-AC-FB EX4500 1200W AC POWER SUPPLY
Juniper / Netscreen 5GT NS-5GT-201 Firewall / VPN Appli
One-day shipping available
Juniper M20Base-AC Chassis Router M20 w/ SSB-M20 + AC
1 Year Warranty – No Reasonable Offers Ever Refused!
NEW JUNIPER EX2200-24T-4G Juniper EX2200-24T-4G Layer 3
Juniper IB-OC192-SON-SR2-B Sonet STM-64 Interface Card
SHIPS TODAY! *Make an Offer* 1 YR WRNTY!
One-day shipping available
Juniper EX-SFP-1GE-LX40K Sfp 1000base-lx Lc Connector 1
One-day shipping available
NEW JUNIPER EX4500-PWR1-AC-BF Juniper EX4500-PWR1-AC-BF
Juniper M160 Router M160BASE-DC MINT Can Customize! GF