4）当被驱动负载是电磁开关、电磁离合器、电磁阀线圈等交流负载，或虽是直流负载，但工作电压或工作电流超过输出信号的工作范围时，应先用输出信号驱动小型中间继电器（一般工作电压＋24v），然后用它们的触点接通强电线路的功率继电器或直接去激励这些负载（见图1）。当然，如果所用plc装置本身具有交流输入、输出信号接口，或有用于直流大负载驱动的专用接口时，输出信号就不必经中间继电器过渡，即可以直接驱动负载器件。
foxboro 2ax+p range module for 1 input bypass plug 62161
foxboro 2ax+r uspp 2axr
foxboro 2ax+sgc circuit board style a control card
foxboro 2ax+slw uspp 2axslw
foxboro 2ax+sqe square root extractor with plug-in adapter module
foxboro 2ax+tim nsfp 2axtim
foxboro 2ax+tim nspp 2axtim
foxboro 2ax+vd uspp 2axvd
foxboro 2ax+ve nspp 2axve
foxboro 2ax-a2 nsfp 2axa2
foxboro 2ax-a2x auto-maunual proportional control card nice
foxboro 2ax-a4 nsfp 2axa4
foxboro 2ax-a4 nspp 2axa4
foxboro 2ax-a4 uspp 2axa4
foxboro 2ax-a4-r nsfp 2axa4r
foxboro 2ax-a4-r uspp 2axa4r
foxboro 2ax-a4-s 2axa4s control card auto-manual
foxboro 2ax-a4-s uspp 2axa4s
foxboro 2ax-a5 nspp 2axa5
foxboro 2ax-a5 uspp 2axa5
foxboro 2ax-alm-ar nsfp 2axalmar
foxboro 2ax-alm-ar nspp 2axalmar
foxboro 2ax-alm-ar stb 2axalmar
ABS alarm
foxboro 2ax-alm-ar uspp 2axalmar
foxboro 2ax-alm-as module dual abs alarm input 0-10vdc w/ 2ap card holder
foxboro 2ax-alm-as nsfp 2axalmas
foxboro 2ax-alm-as nspp 2axalmas
foxboro 2ax-alm-as uspp 2axalmas
foxboro 2ax-almb-r nsfp 2axalmbr
foxboro 2ax-am-c nspp 2axamc
foxboro 2ax-avs nsfp 2axavs
foxboro 2ax-avs uspp 2axavs
foxboro 2ax-dio module signal distribution terminal control b201168
foxboro 2ax-dio nsfp 2axdio
foxboro 2ax-dio uspp 2axdio
foxboro 2ax-dls nsfp 2axdls
foxboro 2ax-dp10 nsfp 2axdp10
foxboro 2ax-dp10 nspp 2axdp10
foxboro 2ax-dp10 power distribution module
foxboro 2ax-dp10 uspp 2axdp10
foxboro 2ax-dp10-e power distribution module card
foxboro 2ax-dp10-e signal power distribution module
foxboro 2ax-dp10-fgb uspp 2axdp10fgb
foxboro 2ax-dp-11 nsfp 2axdp11
foxboro 2ax-dp-11 uspp 2axdp11
foxboro 2ax-dpb1 nsfp 2axdpb1
foxboro 2ax-dpb1 uspp 2axdpb1
foxboro 2ax-dpb2 nsfp 2axdpb2
foxboro 2ax-dpb2 uspp 2axdpb2
foxboro 2ax-dpb3 nsfp 2axdpb3
foxboro 2ax-dpb3 nspp 2axdpb3
foxboro 2ax-dpb3 uspp 2axdpb3
foxboro 2ax-ds1 module distribution 1-10 measurement signal
foxboro 2ax-dsp nsfp 2axdsp
foxboro 2ax-dsp power distribution module
foxboro 2ax-dsp uspp 2axdsp
foxboro 2ax-dsr nsfp 2axdsr
foxboro 2ax-dsr uspp 2axdsr
foxboro 2ax-dss uspp 2axdss
foxboro 2ax-dyc-l nspp 2axdycl
foxboro 2axea4 uspp 2axea4
foxboro 2ax-fj spc/sl module control board for spec200 rack 52108
foxboro 2ax-fj-t nsfp 2axfjt
foxboro 2ax-fj-t nspp 2axfjt
foxboro 2ax-fj-t uspp 2axfjt
foxboro 2ax-int-l 2axintl no301al rev.u
foxboro 2ax-int-l integrator sqd root card nice
foxboro 2ax-int-l nsfp 2axintl
foxboro 2ax-int-s integrator sqd root module nice
foxboro 2ax-int-s intergrater sqd root module card w/ 2ac control spec holder
foxboro 2ax-int-s uspp 2axints
foxboro 2ax-k uspp 2axk
foxboro 2ax-mi nspp 2axmi
foxboro 2ax-msl uspp 2axmsl
foxboro 2ax-mul 2axmul c0153fb rev. c
foxboro 2ax-mul multiplier / divider module spec 200 with plug-in adapter module
foxboro 2ax-mul nsfp 2axmul
foxboro 2ax-mul uspp 2axmul
foxboro 2ax-p uspp 2axp
foxboro 2ax-p-fgb uspp 2axpfgb
foxboro 2ax-rbf uspp 2axrbf
foxboro 2ax-sbf uspp 2axsbf
foxboro 2ax-sgc nsfp 2axsgc
foxboro 2ax-sgc nspp 2axsgc
foxboro 2ax-sgc uspp 2axsgc
foxboro 2ax-sqe nsfp 2axsqe
foxboro 2ax-sqe nspp 2axsqe
foxboro 2ax-sqe uspp 2axsqe
foxboro 2ax-ssl 2axssl n0301kn j
foxboro 2ax-ssl nsfp 2axssl
foxboro 2ax-ssl nspp 2axssl
foxboro 2ax-sum nsfp 2axsum
foxboro 2ax-sum nspp 2axsum
foxboro 2ax-sum uspp 2axsum
foxboro 2ax-t2 nsfp 2axt2
foxboro 2ax-vf uspp 2axvf
foxboro 2b7741 uspp 2b7741
foxboro 2b7801 uspp 2b7801
foxboro 2b7831 uspp 2b7831
foxboro 2b7845 uspp 2b7845
foxboro 2b7852 uspp 2b7852
foxboro 2b7920 uspp 2b7920
foxboro 2b7947 uspp 2b7947
foxboro 2b8012 uspp 2b8012
foxboro 2b8052 uspp 2b8052
foxboro 2b8105 uspp 2b8105
foxboro 2b8109 uspp 2b8109
foxboro 2b8203 uspp 2b8203
foxboro 2b8213 uspp 2b8213
foxboro 2b8214 uspp 2b8214
foxboro 2b8220 uspp 2b8220
foxboro 2b8223 uspp 2b8223
foxboro 2b8246 uspp 2b8246
foxboro 2b8302 uspp 2b8302
foxboro 2b8318 uspp 2b8318
foxboro 2b8540 uspp 2b8540
foxboro 2b8542 uspp 2b8542
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