MOTOROLA VME172PA-652SE 数字量输出模块

MOTOROLA VME172PA-652SE  数字量输出模块

数字量输入模块带有广电耦合电路，其目的是把 PLC 与外部电路隔离起来，以提高 PLC 的抗干扰能力。. 数字两输出有继电器输出、晶体管输出和可控硅输出三种方式。. 模拟量输入 / 输出模块主要用来实现模拟量与数字量之间的转换，即 A/D 或 D/A 转换。. 由于工业控制系统中有传感器或执行机构有一些信号是连续变化的模拟量，因此这些模拟量必须通过模拟量输入 / 输出模块与 PLC 的中央处理器连接。. 模拟量输入模块 A/D 转换后的二进制数字量，经光电耦合器和输出锁存器宇 PLC 的 1/0 总线挂接。. 现在标准量程的模拟电压主要是 0—5 伏和 0—10 伏两种。.

The digital input module is equipped with a radio-television coupling circuit, which aims to isolate the PLC from the external circuit and improve the anti-interference ability of the PLC. Digital two outputs are relay output, transistor output and thyristor output. The analog input/output module is mainly used to realize the conversion between analog and digital, namely A/D or D/A conversion. As there are sensors or actuators in the industrial control system, and some signals are continuously changing analog quantities, these analog quantities must be connected with the central processor of PLC through analog input/output modules. The binary digital quantity converted by analog input module A/D is connected to the 1/0 bus of PLC via photoelectric coupler and output latch. At present, the analog voltage of standard range is mainly 0-5 volts and 0-10 volts. .

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