描述
变频器:每台变频器频率反馈计算AI输入点数1点,频率给定信号计算AO输出1个点,运行/停止给定指令计算DO输出1个点,变频器故障报警计算DI输入1个点,故障复位计算1个DO输出1个点,变频器运行状态计算DI输入1个点。
HIGH VACUUM DEPOSITION CRUCIBLE HEATER DC POWER SUPPLY
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PORTABLE 0-150V DC POWER SUPPLY CIRCUIT BREAKER TESTER
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SONY BVM-1910 NTSC COLOR VIDEO MONITOR CALIBRATED GUAR!
9KW 120V 400HZ AC POWER LINE VOLTAGE REGULATOR AVIATION
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