2.2 电源接线
PLC供电电源为50Hz、220V±10%的交流电。
FX系列可编程控制器有直流24V输出接线端。该接线端可为输入传感（如光电开关或接近开关）提供直流24V电源。
如果电源发生故障，中断时间少于10ms，PLC工作不受影响。若电源中断超过10ms或电源下降超过允许值，则PLC停止工作，所有的输出点均同时断开。当电源恢复时，若RUN输入接通，则操作自动进行。
对于电源线来的干扰，PLC本身具有足够的抵制能力。如果电源干扰特别严重，可以安装一个变比为1:1的隔离变压器，以减少设备与地之间的干扰。
WESTWOOD EQUIPMENT P976 PNEUMATIC FILTER 7-1/8 ID X 9-3/4 OD X 6IN THICK D590384
ULTRAFILTER ST0010 1/2 IN NPT FILTER D564963
PARKER 07F41AB 150PSI 3/4 IN NPT PNEUMATIC FILTER D550596
NORGREN F73G-2AN-QD1 250PSI 1/4 IN NPT PNEUMATIC FILTER D567310
DonALDSON P181050 PNEUMATIC FILTER D581556
GARDNER DENVER 2118503 PNEUMATIC INTAKE FILTER 5/7.5/10HP D578561
WESTWOOD EQUIPMENT P976 PNEUMATIC FILTER 7-1/8 ID X 9-3/4 OD X 6IN THICK D590386
NORGREN F72G-2AN-QL1 150PSI 1/4 IN NPT PNEUMATIC FILTER D554683
CATERPILLAR CAT 7T-1890 CAB PNEUMATIC FILTER D541581
WATTS F504-02DH 300PSI 1/4 IN NPT MINIATURE PNEUMATIC FILTER 300PSI D541771
ARO 125221 121 1/4 IN NPT PNEUMATIC FILTER D550740
ARO F25231-100 150PSI 3/8 IN NPT PNEUMATIC FILTER D567775
DUPONT WFPF13003B UNIVERSAL WHOLE HOUSE FILTRATION SYSTEM 3/4IN D583784
CUNO 1AG1 44110-01 125PSI 3/8 IN NPT PNEUMATIC FILTER D556873
SMC NAF2000-N02-6C PNEUMATIC FILTER 1/4IN NPT 1MPA D586434
DIXON F03-02A 150PSI 1/4 IN NPT PNEUMATIC FILTER D557586
INGERSOLL RAND F25111-301 ARO 150PSI 1/8 IN NPT PNEUMATIC FILTER D548410
PARKER 14F01BB 150PSI 1/8 IN NPT PNEUMATIC FILTER D567716
ARROW PNEUMATICS F353 150PSI 3/8 IN NPT PNEUMATIC FILTER D528211
CATERPILLAR CAT 7T-1890 PNEUMATIC FILTER D584638
CUNO 1B1G 150PSI 3/4 IN NPT PNEUMATIC FILTER HOUSING D565542
ConSERVAIR BCP5 200PSI 1/4 IN NPT ALUMINUM PNEUMATIC FILTER D558958
PEACOCK 1AG1 44110-01 125PSI 3/8 IN NPT PNEUMATIC FILTER D569234
CATERPILLAR CAT 7T-1890 CAB PNEUMATIC FILTER D541583