描述
抗干扰措施。来自电源线的杂波,能造成系统电压畸变,导致系统内电气设备的过电压、过负荷、过热甚至烧毁元器件,造成PLC等控制设备误动作。所以,在电源入口处最好应设置屏蔽变压器或电源滤波等防干扰设施。其中,电源滤波器的地要以最短线路接到中央保护地。对于直流电源,则可加装微分电容加以干扰抑制。
NORDYNE FG6TE080C-IQB 80,000 BTU 95% AFUE GAS FURNACE
NORDYNE FG6TC120C-VCB 120,000 BTU 92% AFUE GAS FURNACE
DURAMETALLIC ADPJA000WD3 DURCHROME FACE INSERT 60975
BLACK BOX MX9071 8 CHANNEL STATISTICAL MULTIPLEXER
CARRIER 19DR501444 POPPET VALVE 152594
DUPONT 191301929E CHEMICAL PROTECTIVE GARMENTS 157318
ICP HC4H318AKA 1.5 TON HEAT PUMP SPLIT-SYSTEM R-410A
CARRIER 17M4211213 LABYRINTH 150339
CARYLE 06CY125G-103 10T SEMI-HERMETIC COMPRESSOR 55556
DUAL PORT T1 CARD FOR WAN RACK 16 MT511C 153398
THERMO SCIENCE NESLAB CIRC REFG HTG STAND 28L 115V
DAYTON 1-1/2 HP EXHAUST VENTILATOR 1090 RPM 164962
NORDYNE FG6TE060C-IQB 60,000 BTU 95% AFUE GAS FURNACE
PAYNE PG9YAB036080 80,000 BTU 95% GAS FURNACE 163074