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3100-MCM   Modbus通信接口   漳州风云

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3100-MCM Modbus通信接口 漳州风云

3100-MCM模块既可以作为Modbus主机,也可以作为Modbus从机。每个模块支持2个串行接口。这些模块支持多达4000个寄存器的传输和存储、包括二进制、整数和浮点数据在内的多种数据类型的移动、用于SCADA的RS-232C握手、具有多达32个从单元(每个端口)的RS-422/RS-485多点、分组无线电以及卫星支持和软件配置。3100-MCM模块的底板电流在5伏DC下为0.65安培。工作温度为0至60摄氏度,储存温度为-40至85摄氏度。模块周围区域的相对湿度应在5%到95%之间。模块上可用的物理端口是2个DB25母连接器。3100-MCM模块的电池是不可充电的,可以更换。这些电池是3.6伏锂亚硫酰氯1/2AA型电池。在68华氏度下,电池的保质期为10年。模块的操作冲击等级为30克,而非操作冲击等级为50克。

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产品详细说明

产品细节说明:3100-MCM Modbus通信接口

3100-MCM Modbus通信接口模块是PROSOFT TECHNOLOGY公司推出的一种用于在AB PLC(Allen-Bradley可编程逻辑控制器)通用框架上安装的通信接口模块。该模块主要用于实现AB PLC与Modbus现场设备之间的通信,从而增强AB PLC的通信能力,实现AB PLC与Modbus网络的互连,以满足复杂的控制要求。

  1. 传输模式
    • 无论是主机模式还是从机模式,3100-MCM通信模块都支持ASCII和RTU两种传输模式。
  2. 硬件连接
    • MCM模块使用的是与RS232C兼容的标准通讯接口,但在实际应用中,由于要实现多点通信,所以常采用RS485方式。
  3. 通信过程
    • 在AB PLC配置了3100-MCM通信模块作为主机模式时,PLC采用周期扫描方式,按请求指令的顺序与从机交换数据。
    • 每次扫描期间,处理器使用逻辑写指令将主机内存中要输出到各从机的数据传送到3100-MCM通信模块中的发送缓冲区,模块根据存储的功能指令,发送到指定的从机。
    • 各从机响应后返回的数据,3100-MCM通信模块将其先存放在接收缓冲区,然后PLC使用逻辑读指令把数据移入相应的输入数据存储区,实现数据的周期性刷新。

3100-MCM

产品详情参数 :3100-MCM Modbus通信接口

  1. 通信协议支持
    • 支持Modbus协议,Modbus是美国MODICON公司制订的一种串行传输协议,可实现主从命令响应型通信。
    • 作为工业通信和分布式控制系统协议,Modbus已经得到多家公司的PLC和智能仪表支持。
  2. 模块功能
    • 主机模式:当MCM模块设定为主机时,它可以对连接到总线上的从机进行控制,支持Modbus协议中的多种功能编码(如01、02、03、04、05、06、15、16等),并可以发送多达一百条定制的请求指令,支持以“广播”方式发出请求。
    • 从机模式:当MCM模块指定为从机时,它响应主机的请求,此时能够支持Modbus协议中的部分功能编码(如01、02、03、04、05、06、08、15、16等)。

3100-MCM Modbus 应用领域:

3100-MCM Modbus通信接口模块广泛应用于需要AB PLC与Modbus设备通信的工业自动化控制系统中,如水处理、电力、化工等行业。通过该模块,可以方便地将AB PLC与各种Modbus设备进行连接,实现数据的采集、监控和控制,提高系统的自动化水平和运行效率。

Product details: 3100-MCM Modbus communication interface

The 3100-MCM Modbus communication interface module is a communication interface module developed by PROSOFT TECHNOLOGY for installation on the AB PLC (Allen Bradley Programmable Logic Controller) universal framework. This module is mainly used to achieve communication between AB PLC and Modbus field devices, thereby enhancing the communication capability of AB PLC and realizing the interconnection between AB PLC and Modbus network to meet complex control requirements.

Transmission mode:
Whether in master mode or slave mode, the 3100-MCM communication module supports both ASCII and RTU transmission modes.
Hardware connection:
The MCM module uses a standard communication interface compatible with RS232C, but in practical applications, RS485 is often used to achieve multi-point communication.
Communication process:
When configuring the 3100-MCM communication module as the host mode in AB PLC, the PLC adopts a periodic scanning method to exchange data with the slave in the order of request instructions.
During each scan, the processor uses logical write instructions to transfer the data to be output from the host memory to each slave to the send buffer in the 3100-MCM communication module. The module sends the data to the designated slave based on the stored functional instructions.
The data returned by each slave after response is first stored in the receiving buffer by the 3100-MCM communication module, and then the PLC uses logical read instructions to move the data into the corresponding input data storage area, achieving periodic data refresh.
Product details and parameters: 3100-MCM Modbus communication interface
Communication protocol support:
Supports Modbus protocol, which is a serial transmission protocol developed by MODICON in the United States and can achieve master-slave command responsive communication.
As an industrial communication and distributed control system protocol, Modbus has been supported by PLCs and smart meters from multiple companies.
Module function:
Host mode: When the MCM module is set as the host, it can control the slaves connected to the bus, support multiple function codes in the Modbus protocol (such as 01, 02, 03, 04, 05, 06, 15, 16, etc.), and can send up to one hundred customized request instructions, supporting requests to be sent in a “broadcast” manner.
Slave mode: When the MCM module is designated as a slave, it responds to the host’s request and can support some functional encoding in the Modbus protocol (such as 01, 02, 03, 04, 05, 06, 08, 15, 16, etc.).
3100-MCM Modbus Application Fields:

The 3100-MCM Modbus communication interface module is widely used in industrial automation control systems that require communication between AB PLC and Modbus devices, such as water treatment, power, chemical and other industries. Through this module, AB PLC can be easily connected to various Modbus devices to achieve data acquisition, monitoring, and control, improving the automation level and operational efficiency of the system.

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