DTD433H | Multi point cluster networking wireless switch measurement and control terminal

Product Details

Compliant with MODBUS RTU protocol, supports wireless networking with configuration software, and wireless measurement and control distance up to 5 kilometers!

Product Overview:
Technical service hotline:

The DTD433H wireless MODBUS measurement and control terminal product is a modular product designed for industrial users, using MODBUS RTU protocol and wireless serial communication instead of wired RS485 network. It can be directly connected to configuration software and connected to PLC, DCS, industrial instruments, sensors and other equipment to form an industrial automation measurement and control system.

The DTD433H wireless switch terminal is equivalent to a wireless PLC slave with 4 switch inputs and 4 switch outputs. It provides 4DI and 4DO, complies with the MODBUS RTU protocol, and has a reliable wireless transmission distance within a range of 3 kilometers.

The DTD433H product is suitable for point-to-point and dispersed applications that are not convenient for trench digging and wiring. The DTD433H can not only form wireless measurement and control systems with PLC, DCS, intelligent instruments and other devices, but also achieve configuration of Datai wireless protocol and MODBUS protocol with industrial control products such as configuration software, human-machine interface, touch screen, etc., providing a low-cost solution for medium to short distance wireless communication in the industrial measurement and control field.

Key features:

Support configuration software such as Kingview, Power Control, and MCGS to form a distributed wireless 485 network, which complies with the standard MODBUS RTU protocol and enables wireless measurement and control of switch values;
◆ Switching input: 1-16 channel DI input, TTL level or passive contact can be used;
Switching output: 1-16 channel DO output, OC gate output, can be connected to an external DC relay cable package.
◆ Anti interference capability: Internally integrated industrial grade high anti-interference EMI unit.

Product Description:

Wireless IO, Wireless Switching Modbus RTU, Wireless Digital Quantity Collector, Wireless Switching Quantity Transmitter, Wireless Control Relay

Standard product selection:

On site switch quantity from equipment

◆ Control room main control equipment

Main features:

◆ Switching input: 1-16 channel DI input, TTL level or passive contact can be used;

Switching output: 1-16 channel DO output, OC gate output, can be connected to an external DC relay cable package;

◆ It can directly replace wired RS485 network without the need for PLC, comply with standard MODBUS RTU protocol, and achieve wireless measurement and control of switch values;

There are three options for effective wireless transmission distance: around 200 meters, 1000 meters, and 3000 meters;

◆ Transmission method: fully digital wireless encrypted transmission;

◆ DC wide voltage 9~24VDC power supply, with an average operating current of less than 50mA;

PVC plastic shell: 115 × 74 × 60mm, installed with E-type guide rail slot;

◆ Supports standard serial port protocols: Datai Free Serial Port Protocol, Modbus RTU Protocol;

The product is stable and reliable, and has been continuously used on industrial sites for more than ten years.

Customized solution:

Technical service hotline:

◆ 1 master station and 12 slave stations

The main station provides a 485 interface, and each slave station collects 8 switch signals.

◆ Three water level signals are collected from the top of the mountain, and the PLC Rs485 port at the bottom of the mountain outputs a 220V power supply

The main station has one DTD433MEY, and three slave stations each provide one analog signal input to DTD433FEY-T1AI.

◆ The slave station is a bidirectional mixed signal

The DTD433FHC-4022 substation provides 4 analog inputs, 2 switch inputs, and 2 switch output signals.

◆ 1 master station and 5 slave stations, which have both analog and switch signals

3 slave stations DTD433FC - collect analog signals, 2 slave stations DTD433HC - collect switch signals.

Application example:

Technical service hotline:

The DTD433H industrial grade wireless switch terminal can directly replace PLC wired solutions and supports Datai serial port protocol and Modbus RTU protocol; Thoroughly solve the problems of complicated construction and high maintenance costs of wired solutions. Can be directly configured with configuration software PLC、 Touch screen and smart instrument connection, no need for trench wiring, successful applications include:

Using an industrial computer as the host, distributed wireless remote control and telemetry are achieved through mainstream configuration software such as Kingview, Force Control, and MCGS;

Implement distributed wireless networking communication through MODBUS protocol of various brands of PLCs;

Factory renovation project, adding wireless switch monitoring points and wireless remote switch control at any time; Wireless alarm for industrial equipment malfunction.

Typical application users:

Technical service hotline: (same as WeChat)

Jinan Helishi Automation Engineering Co., Ltd

◆ School of Engineering, Air Force Engineering University

Beijing Tongfang Clean Technology Co., Ltd., one main and two secondary

Taiyuan Donglu Aluminum Industry Co., Ltd., one main and two secondary

Hubei Jinpai Liquor Industry Co., Ltd

Guilin Yanjing Beer

Jiangsu Fuyuda Grain Products Co., Ltd

Jiangsu Zhongre Machinery Equipment Co., Ltd

Jinan Great Wall Instrument Technology Co., Ltd

Suzhou Shuidu Environmental Company, PLC online control of liquid level, pressure and other signals

Jiangsu Tianyi Xinde Environmental Protection Technology Co., Ltd., one owner and multiple followers

Hebei Luanping Huadu Food Co., Ltd

Shaanxi Xianyang Yanchang Xinghua Chemical Plant, 1 main and 3 auxiliary mixed signal monitoring system, 2 kilometers [Click to enter the plan]

◆ Hunan Meijing Environmental Protection Technology, Hydroelectric Power Station Reservoir Liquid Level Transmission Computer

◆ Fupaibock Polymer Materials (Changzhou) Co., Ltd., 8 PT100 instrument signals to PC

◆ Houma Sanxin Electrical Cable Co., Ltd., sensors to DCS

Anhui Enoma Intelligent Technology Co., Ltd., 200m between PC and PLC

◆ Australian power plant, renovation of air preheater leakage gap control system, 3km [Click to enter plan]

◆ Hunan Boyun Dongfang Powder Metallurgy Co., Ltd., 5 workstations with signal calling and PLC wireless communication, 200m

China Automotive Industry Engineering Co., Ltd., PLC wireless wake-up AGV car, 50m

◆ Suzhou Maobeite Automation Technology Co., Ltd., on-site equipment alarm signal collection to PLC, 1KM

Shenzhen Merchants Construction Technology Co., Ltd., wireless collection of scattered switch values on construction sites to PLC, 500m

Related products:

■ DTD433F | Multi point cluster networking wireless analog signal measurement and control terminal

■ Master station equipment DTD433M - Industrial grade wireless communication data terminal

Point to point wireless switch signal transmitter

Product information: Please add QQ (1582866104) or add WeChat: Request:

1. User Manual for DTD433H Series Wireless Switching MODBUS Measurement and Control Terminal

2 "DTD433H Series Wireless Switching MODBUS Measurement and Control Terminal Communication Protocol"

3 "Siemens S7-200 and MODBUS Wireless Switch Measurement and Control Terminal Routine"

4. Communication Routine between Configuration King, Power Control, MCGS, and Jiekong Configuration Software and DTD433H

Wireless measurement and control scheme for switch signal of 5 DTD433H

Solution 1: Application Plan for Connecting Wireless Data Terminals with Wireless Measurement and Control Terminals

The host of this system uses a DTD433M wireless data terminal, which adopts RS485 or RS232 interfaces to connect with computers DCS、PLC、 Touch screen and other controllers can be connected, and MODBUS communication can be achieved through configuration software. The slave uses the DTD433H series switch wireless measurement and control terminal or the DTD433F series analog wireless measurement and control terminal to transmit MODBUS protocol data through wireless communication.

Scheme 2: Wireless MODBUS Communication Scheme between Touch Screen, Configuration Software and DTD433H

In practical systems, touch screens, human-machine interfaces, and monitoring objects are not located together. The central computer is usually placed in the control room, while the fault point or controlled equipment is installed in the on-site workshop, and the distance between the two often ranges from tens of meters to thousands of meters. If wiring is required, trench excavation construction is needed, which is quite troublesome. In this case, wireless communication is more suitable. Because the use of wireless MODBUS protocol does not require complex programming, only simple configuration is needed. To achieve wireless MODBUS communication, specialized wireless data terminals are required, and the matching of setting parameters should also be considered during configuration. The principle of MODBUS wireless communication in Kingview and force control configuration software is shown in the figure.