HONEYWELL CC-PDOB01 接口模块控制器

HONEYWELL CC-PDOB01  接口模块控制器

HONEYWELL CC-PDOB01  接口模块控制器

HONEYWELL CC-PDOB01这些术语只有从常规电流的角度来看才有意义，其中DC电源的正极端子被视为电流的“源”，电流“向下”到达地(DC电源的负极端子)。在由驱动分立控制器件的PLC输出通道构成的每个电路中，或者由驱动PLC输入通道的分立检测器件构成的每个电路中，电路中的一个元件必须提供电流，而另一个元件必须吸收电流。 我的一位工程同事用一种迷人的方式来描述寻源和下沉:吹和尚未断奶的。向另一个设备提供电流的设备向另一个设备“吹”电流。一个吸收电流的器件从另一个器件“吸收”电流。许多学生似乎发现这些术语有助于首先掌握源和汇之间的区别，尽管(或者可能是因为！)他们不拘小节的天性。 HONEYWELL CC-PDOB01如果连接到PLC的分立设备对极性不敏感，任何一种类型的PLC I/O模块都可以满足要求。例如，下图显示了一个机械限位开关连接到一个接收PLC输入和一个源PLC输入

HONEYWELL CC-PDOB01  接口模块控制器

The terms HONEYWELL CC-PDOB01 are meaningful only from the perspective of conventional current, in which the positive terminal of DC power supply is regarded as the "source" of current, and the current reaches the ground (the negative terminal of DC power supply) "downward". In each circuit composed of a PLC output channel that drives a discrete control device or a discrete detection device that drives a PLC input channel, one element in the circuit must provide current, while the other element must absorb current. One of my engineering colleagues described the source-seeking and sinking in a fascinating way: blowing and not weaned. A device that supplies current to another device "blows" current to another device. A device that absorbs current "absorbs" current from another device. Many students seem to find these terms helpful to grasp the difference between source and sink first, although (or maybe because! ) Their informal nature. HONEYWELL CC-PDOB01 If the discrete devices connected to PLC are insensitive to polarity, any type of PLC I/O module can meet the requirements. For example, the following figure shows a mechanical limit switch connected to a receiving PLC input and a source PLC input:

HONEYWELL CC-PDOB01  接口模块控制器

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HONEYWELL CC-PAIX02 
HONEYWELL CC-PAON01 
HONEYWELL CC-PCF901 
HONEYWELL CC-PCNT01 
HONEYWELL CC-PCNT02
HONEYWELL CC-PDIL01 
HONEYWELL CC-PDOB01 
HONEYWELL CC-TAID01 
HONEYWELL CC-TAIM01 
HONEYWELL CC-TAON01 
HONEYWELL CC-TCF901 
HONEYWELL CC-TCNT01 
HONEYWELL CC-TDIL01 
HONEYWELL CC-TDOB01 
Honeywell FC-PSU-UNI2450U V1 
Honeywell FC-PSU-UNI2450U V1.0
Honeywell SC-UCMX01 51307195-175
Honeywell SC-UCMX01 51307198-175