描述
PLC系统接地要求比较严格,最好有独立的专用接地系统,还要注意与PLC有关的其他设备也要可靠接地。多个电路接地点连接在一起时,会产生意想不到的电流,导致逻辑错误或损坏电路。
MELLES GRIOT 17MDU002 NANOSTEP MOTOR CONTROLLER
HP 70004A DISPLAY FRAME&HP70311A CLOCK SOURCE OPT H08
HP / Agilent 70004A Spectrum Analyzer w/ 70311A Module
NEW!!! JETTER (CE) AC-SERVOMOTOR F1004F-0S101-7003-0
LEICA POLYWAR SC MICROSCOPE HEAD, 6 POSITION TURRET.
BMI 8800 POWERSCOPE BASIC MEASURING INSTRUMENTS W/WIRES
HP 70311A CLOCK SOURCE RANGE 16.1MHz – 3.3 GHz OPT 8ZE
KIKUSUI REGULATED DC POWER SUPPLY PAD 500-0.6A