ABB PP820-3BSE042243R1
PP820
一般信息
全球商业别名：PP820
产品编号：3BSE042243R1
ABB 型号名称：PP820 – Panel 800
目录描述：PP820 功能键面板
附加信息
技术信息：PP820 功能键面板
Panel 800 – PP820
功能键面板
图形单色 240×64 像素，
图形 <(>&<)> 文本，键，黑/白
交换部件号：EXC3BSE042243R1。
产品类别：备件
方面
产品净重：1.4公斤
分类
WEEE 类别：2. 屏幕、显示器和包含屏幕大于 100 厘米的设备
The interface between PP820 and electrical circuit is completed through bbbbb / output part (I / O). The I / O module integrates the I / O circuit of PLC, its bbbbb register reflects the bbbbb signal state, and the output point reflects the output latch state. The bbbbb module converts the electrical signal into digital signal and enters the PLC system, and the output module is opposite. I / O is divided into switching bbbbb (DI), switching output (do), analog bbbbb (AI), analog output (AO) and other modules.
Common I / O classifications are as follows:
Switching value: according to the voltage level, there are 220VAC, 110VAC and 24VDC. According to the isolation mode, there are relay isolation and transistor isolation.
Analog quantity: according to signal type, there are current type (4-20mA, 0-20mA), voltage type (0-10V, 0-5V, - 10-10v), etc. according to accuracy, there are 12bit, 14bit, 16bit, etc.
In addition to the above general IO, there are special IO modules, such as thermal resistance, thermocouple, pulse and other modules.
The specification and quantity of modules are determined according to the number of I / O points. I / O modules can be more or less, but their maximum number is limited by the ability of the basic configuration that the CPU can manage, that is, by the maximum number of backplane or rack slots.
本店提供：PLC模块，DCS卡件，ITCC卡件，AI DI AO DO模块
网络模块 计数模块 适配器模块 CPU模块 扫描模块
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