How does Kingview use the wireless host link communication module to remotely collect PLC data?

In the upper computer software and PLC In the distributed control system composed of , Most are made up of one PC Computers and several computers PLC Between the formation of 1-N Communication mode of . In this mode system PLC Responsible for high-speed data acquisition on site 、 Implementation logic 、 timing 、 Count 、PID Control tasks such as adjustment are transmitted to the upper computer through the serial communication port PLC The data of the working state machine can realize the management of the control system by the computer , Improved PLC The control range of the control ability .

This article will discuss the Kingview and 2 Taiomron PLC The general mode and software of data communication between wireless networks 、 The hardware implementation scheme is discussed .

One 、 Program Overview

This scheme is based on Kingview and OMRON PLCCP1E Of Host-Link agreement , The realization method of wireless communication is given . Kingview as the main station , Omron CP1E As a slave station , And adopt Japanese system PLC Wireless communication terminal DTD435MC-V96, As a hardware device to realize wireless communication .

1. wireless Host-Link Network composition

2. Test equipment and parameters

● master device ： Kingview
● Slave devices ： Omron CP1E series PLC×2 platform
● Japanese PLC Wireless communication terminal ：DTD435M-V96×3 block
● Communication protocol ：Host-Link agreement
● Master-slave relationship ：1 Lord 2 from
● communication interface ：Rs485/Rs232 Interface
● Power supply ：9-24VDC
● transmission distance ：100 rice ,500 rice ,1KM,3KM,20KM

Two 、 Wiring way

1. Omron CP1E With Datai wireless terminal DTD435M connection

First step ：DTD435MC Of Rs485-A The port is connected to Omron CP1E PLC Self contained A+ port ;
The second step ：DTD435MC Of Rs485-B The port is connected to Omron CP1E PLC Self contained B- port .

2.PC Terminal and the wiring of Datai wireless equipment

PC The end is used directly DTD435M Of RS232 Mouth and PC A serial port connection .

3、 ... and 、 Kingview realizes Host-Link master station

You can follow the steps below ： System settings —— Select serial port number —— Address parameter settings —— Data dictionary configuration —— Configuration interface making —— Related parameters are associated

Four 、 Omron PLC Realization Host-Link From station

You can follow the steps below ：PLC Parameter setting —— One set shall be set at the station number PLC The address is set to 00, Another one PLC The address is set to 01—— Download the program to PLC Inside

5、 ... and 、 Test examples and conclusions

1. Kingview and OMRON CP1E Respectively 1 block DTD435MC-V96
2. Give... Through the outside 0 Station and 1 Input point signal of station No , See if the corresponding point of the Kingview is bright , If lit , Indicates that the communication is normal .
3. Use the button on the top of the KingView to 0 Station and 1 Station No. 1 output point signal , Look at OMRON CP1E Corresponding Y Whether the point is bright , If lit , Indicates that the communication is normal .