¥ 1260.00
¥ 1180.00
¥ 1180.00
¥ 1180.00
¥ 1180.00
易卖工控网(www.ymgk.com)提供”PILZ皮尔兹 PSS SB CPU3”,产品详情:品牌/厂家:PLC-DCS 系列、型号:PILZ PSS SB CPU3、成色:全新、货期:现货 1天内发货、保修:180天,更多产品详情就上易卖工控网。
输入的灵敏度。各生产厂家对PLC的输入电压和电流都有规定,当输入元件的输入电流大于PLC的ZUI大输入电流或有漏电流时,就会有误动作,降低灵敏度。所以应用弱电流输入并对漏电流采取防护措施,并且选用输入为供漏型输入的PLC。
5.外部互锁与接地。(1)联锁。利用PLC控制电机正反转等正、反动作时,为避免PC的异常动作引起事故及机械损坏,应在外部组成一个联锁回路。
(2)接地:为了保证PLC控制系统的安全,在实际应用中PLC需可靠接地。接地线不得与其它设备共用或与建筑物的金属结构连接,否则会适得其反,受到恶劣影响。
6.PLC外部驱动电路。对于PLC输出不能直接带动负载的情况下,必须在外部采用驱动电路,可以用固态继电器或晶闸管电路驱动,同时应采用保护电路和浪涌吸收电路。另外PLC的输入输出布线也有一定要求,请参照各公司的使用说明书。
NOS! PARKER REMOTE PRESSURE VALVE CC1225B
LOT PARKER VERIFLO PRESSURE TRANSDUCER SWITCH DWYER
Parker Oil Pressure Regulator Control Valve A4AL; *A7
Parker high pressure clamp flange elbow 41775-16-16
Parker 41575 16-16 Clamp SAE flange high pressure 1 in
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PARKER REMOTE PRESSURE VALVE CC1225B 150 PSI DO 1/4"
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Expedited shipping available
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3 NEW PARKER MANAPAK PRESSURE CONTROL VALVES PRM2PP07KN