INTELLIGENT CONTROL ZHC4931 Manuale utente

ZHC4931

User Manual

V1.0

ZH Intelligent Control—4G.RTU

ZHC4931

User Manual

CHENGDU ZONGHENG INTELLIGENT CONTROL CO., LTD.

ZHC4931Manual Public

Chengdu Zongheng Intelligent Control Co., Ltd www.iotrouter.com

Functions

◆Support 1 relay outputs

◆Support 2 DI (dry / wet node) inputs

◆Support analog (current) inputs

◆Support 8 conditional control instructions for more convenient control

◆Support 1 RS485 / RS232（Only choose one）

◆Support serial heartbeat package

◆Support multiple function codes：01、02、03、04、05、06、0F、10

◆Support setting direction of data report

◆Support TCP_Client、HTTP_Client

◆Support 2 working modes：master mode, slave mode，master mode supports

RS485 cascading multiple Modbus devices

◆Compatible with Modbus RTU/TCP

◆Support cloud forwarding and cloud networking

◆Support local and remote upgrade

◆Support hardware watchdog

◆Multiple indicators show working status

◆Support domain name address resolution

◆Support setting APN

◆Support signal quality inquiry

◆Support SIM card number query

◆Support heartbeat package

◆Support registration package in any format to ensure the legality and

uniqueness of the device identity

◆Provide one switch output

◆Relay adopts photoelectric isolation

◆Relay keeps long open and close status

◆Support timing flip status

◆Support setting relay start status

◆ZHC4931G supports GPS

Note: * indicates under development

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CONTENT

Before the declaration, the company has the right to change the contents of this manual according

to the needs of technological development..........................................................................................I

The copyright of this manual belongs to Chengdu Zongheng Intelligent Control Technology Co.,

Ltd. Anyone who reproduces it without our written consent will bear the corresponding legal

responsibility........................................................................................................................................I

1.Product Description..........................................................................................................................1

2.Quick start........................................................................................................................................ 2

3.Product Features...............................................................................................................................6

Upgrade steps.................................................................................................................................... 16

Inquire：55 03 00 12 00 01 29 DB...................................................................................................20

Setting example................................................................................................................................. 26

Effect:................................................................................................................................................ 27

4.Applications....................................................................................................................................43

Steps.................................................................................................................................................. 49

Step 2:................................................................................................................................................50

5.Modbus Instruction frame.............................................................................................................. 52

6.Update History............................................................................................................................... 53

7.CONTACT US...............................................................................................................................53

ZHC4931Manual Public

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Foreword

Thank you for using the ZHC4931 RTU product provided by Chengdu Zongheng

Intelligent Control Technology Co., Ltd.

Please read this user manual carefully before using to understand the powerful functions

of the product and detailed description of various parameters.

If you encounter problems during use, you can submit to our customer support center.

Whatsapp/TEL:+8618982006591

Web: www.iotrouter.com

This product is mainly used for GSM / GPRS / CDMA / WCDMA / LTE wireless data

communication. For specific technical specifications and performance parameters, please

refer to the "ZHC4931 Specification".

This manual aims to explain some software parameters and equipment function

mechanism of ZHC4931. It is recommended that users read this manual carefully before

using this product, in order to quickly understand the product usage method and work flow.

Before the declaration, the company has the right to change the contents of this manual

according to the needs of technological development.

The copyright of this manual belongs to Chengdu Zongheng Intelligent Control

Technology Co., Ltd. Anyone who reproduces it without our written consent will bear the

corresponding legal responsibility.

Version Information

Document name: ZHC4931 User Manual

Version: v1.0

ZHC4931Manual Public

Chengdu Zongheng Intelligent Control Co., Ltd II www.iotrouter.com

Modification date: June 14, 2019

Relevant information

“ZHC4931 Specification”

“ZHC4931 Wiring Instructions”

More details:

https://www.iotrouter.com/product21.html

ZHC4931Manual Public

Chengdu Zongheng Intelligent Control Co., Ltd III www.iotrouter.com

ZHC4931Manual Public

Chengdu Zongheng Intelligent Control Co., Ltd 1www.iotrouter.com

1.Product Description

1.1 Product Introduction

ZHC4921 is a network IO product that supports 2 dry (wet) node detection, 1 relay

(COM, NO, NC) output, 1 analog (current 4 ~ 20mA) detection, and 1 serial port transparent

transmission. Compatible with Modbus RTU / TCP protocol. With "remote control" as the

core function and high ease of use, users can easily and quickly integrate into their own

systems to achieve remote control based on LTE networks.

1.2 Appearance

P 1

Antenna：GPS antenna (ZHC4931 supports GPS), MAIN (LTE network antenna).

SIM：Press the yellow dot next to the SIM card slot to eject the card tray and insert the SIM card.

DC5~30V（terminal block）：DC5~30V input.

RESET：Factory reset button

DC5~30V（DC Power Socket）：DC5~30V input.

WORK：Device running status indicator

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NET：Network status indicator/Network data receiving indicator

DATA：data transmission indicator

POW：Power indicator

RS485：RS485 interface.

RS232：RS232 interface.

DO：NC is normally closed, COM is common.

DI：DI1 ~ 2 are 2-way dry (wet) node detection, Shares one COM port.

AI: AI is 1 analog signal input.

2.Quick start

This chapter is a quick introduction to the ZHC4931 series products. It is recommended that

users read this chapter and follow the instructions once, and you will have a systematic

understanding of the equipment.

2.1 Hardware environment

Test data flow topological graph：

P 2 Test Data Flow Topological Graph

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Wiring: PC is connected to ZHC4931 via USB to RS485 tool.

Networking: Insert the SIM card before the device is powered on.

Power supply: DC5 ~ 30V.

After powering on, open the corresponding serial port, and then you can control the ZHC4931

through Modbus protocol.

2.2 USE

Chart 1 Test Initial Parameters

ITEM

Parameter

Network work

mode

TCP_Client(Network data transparent transmission)

Server Address

115.28.86.143

Server port

55000

Serial working

mode

Host mode

Serial parameters

Baud rate: 115200 Stop bits: 1 Data bits: 8 Parity bits: None

2.2.1 Serial control

Step 1：Open the setting software, select the correct serial port number, configure the correct

serial port parameters, and open the serial port.

P3 Set software serial port configuration

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