描述
模块FX0N-3A；或两路输出的FX2N-2DA；或四路输出的FX2N-4DA模块等。
优点：PLC程序编制简单方便，调速曲线平滑连续、工作稳定。
缺点：在大规模生产线中，控制电缆较长，尤其是DA模块采用电压信号输出时，线路有较大的电压降，影响了系统的稳定性和可靠性。另外，从经济角度考虑，如控制8台变频器，需要2块FX2N-4DA模块，其造价是采用扩展存储器通讯控制的5～7倍
90 Day Hardware Warranty – Free Shipping!
Juniper SRX-GP-16GE Module 16 x 10/100/1000Base-T LAN
2 year warranty – we buy and sell networking equipment
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Juniper PB-4FE-TX for T640/T320/M160/M40e/M320 Warranty
Juniper PB-2GE-SX 2-PORT GIGABIT ETHERNET PIC SX OPTICS
90 Day Warranty – Free Overnight Shipping!
Juniper P-1GE-SFP 1-Port Gigabit Ethernet PIC M20 M40
90 Day Warranty – Free Overnight Shipping!
Juniper PE-1GE-SFP PIC w/ SFP-1GE-SX GBIC for M7i M10i
90 Day Warranty – Free Overnight Shipping!
Juniper Networks SSG-520 SSG 520 Services Gateway WRTY
T640-FPC2-E T640-FPC2-E-C Juniper Enhanced FPC T640
