CI867K01 3BSE043660R1  Communication protocol MODBUS TCP

The communication protocol of CI867K01 3BSE043660R1 is MODBUS TCP. This is an open industry

standard that is widely used in the field of industrial automation. MODBUS TCP combines MODBUS RTU

with standard Ethernet and common networking standard TCP to provide an efficient and reliable communication method for industrial automation.

Specifically, the MODBUS TCP protocol defines a master-slave structure in which one device acts as the

master and sends request messages, while the other devices respond to those requests as the slave.

By using the MODBUS TCP protocol, the master device can send a read or write register request to the

slave device to obtain or modify the state and data of the device.

3BSE092689R1 CI867AK01

In the CI867K01 3BSE043660R1 module, MODBUS TCP interface modules (such as CI867/TP867) are

used to connect the AC 800M controller to external Ethernet devices using the MODBUS TCP protocol.

This module contains not only the CEX-Bus logic and communication unit, but also a DC/DC converter

to provide the appropriate voltage from the +24 V power supply.

In addition, the module has a variety of environmental data and electrical safety features, such as

operating temperature range, protection class, electromagnetic compatibility and CE marking, which

ensure its stability and reliability in various industrial environments.

In general, the CI867K01 3BSE043660R1 provides an efficient and reliable communication solution

for industrial automation systems by adopting the MODBUS TCP communication protocol.