Modbus RTU Communication RS485 Acquisition 6AD4DI4DQ Analog Input Digital and Output Module | Бытовая техника

Modbus RTU Communication RS485 Acquisition 6AD4DI4DQ Analog Input Digital and Output Module | Бытовая техника

Chapter Product introduction

One、Product overview

MBSL6AD4DI4DOModule is6road0～20mAAnalog input、4Road Digital Quantity Isolated Input、4Digital Quantity Isolated Output(NPNOpen-circuit output of transistor collector)Modular，By isolationRS485Interface output。Modules adopt standardModbus RTUcommunication，It can be directly adapted to various upper computer configuration software.、PLC、DCSetc.。Module power supply、RS485Communication electrical signals are isolated from each other，Effectively suppress all kinds of serial mode and common mode interference，At the same time, it ensures the stability of the module.、Reliable work。

1、UseRS485 MODBUS RTUStandard communication，Configurable Software with Upper Computer、PLC、Industrial touch screen networking、With Communication Status Indicator。

2、Industrial standard：signal control、Power Supply、RS485Electrical signals such as communication are isolated from each other。

3、Lightning Protection for Communication Circuit、Anti-interference design、Polarity Protection of Power Supply。

4、RS485Overvoltage and Overcurrent Double Protection for Communication Signal Output Interface。

5、It can be widely used in signal acquisition and control of industrial field equipment.。

6、Module adoptionSoftware and Hardware Dual Watchdog TimerAutomobile Class Standard，Guarantee that the module never crashes and works steadily and reliably，

7、Output disconnection protection：When appear485Network interruption，When the host does not receive the data sent by the host station within the set time，Modules automatically disconnect the output，Consequently, the safety of field equipment can be automatically protected.。

8、Station address、Communication format can be set by software。

Two、Main Technical Indicators

term order

Technical index

Analog input signal

1、Analog inputpassageway：6Channel isolation acquisition

Digital signal input/output

1、Input channel：4Road Digital Quantity Input

2、Output channel：4Road digital output

3、Load capacity：Resistive load200mA/passageway

Communication output

1．Communication protocol：MODBUS-RTU

Module size and installation method

1、 Installation mode：standardDINGuide rail installation or screw installation

work environment

temperature：-10～+60℃ humidity：35～85%（No condensation）

Working power supply

1．Power supply voltage：10V～30VWide range power supply，Polarity Protection with Power Supply

2．Power consumption：less than3W

Three、Interface definition

Terminal name

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Terminal name

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PW+

External power input front end

485A

RS485signalA+

PW-

Negative input end of external power supply

485B

RS485signalB-

DI1

Digital Input Channel1

AI1

Analog Input Channel1

DI2

Digital Input Channel2

AI2

Analog Input Channel2

DI3

Digital Input Channel3

AI3

Analog Input Channel3

DI4

Digital Input Channel4

AI4

Analog Input Channel4

D01

Digital Output Channel1

AI5

Analog Input Channel5

D02

Digital Output Channel2

AI6

Analog Input Channel6

D03

Digital Output Channel3

AGND

Analog signal negative pole

D04

Digital Output Channel4

AGND

Analog signal negative pole

Four、Schematic diagram of module wiring

Five、Communication instructions

1、Communication parameter description(Factory value)： 9600，N，8，1

ginseng number

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9600

baud rate

N(No check)

Parity bit

8

Data bits

1

Stop bit

2、Software debugging screenshot

The second chapter ModbusRegister and Communication Protocol Description

One． Modular supportedMODBUSFunction code and address range

1．Modular supportedMODBUSFunction code

Register type

Address range

Function code

Function Code Description

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Output Coil Register

00001-00004

0x01H

Read multiple coil registers

Read the value of one or more coil registers

0x05H

Write a coil register

Write the value of a coil register

0x0FH

Write one or more coil registers

Write the value of one or more coil registers

Keep Register

40001-40016

0x03H

Read multiple hold registers

Read the value of one or more holding registers

0x 06H

Write a single hold register

Write a data to the hold register

0x 10H

Write multiple hold registers

Write one or more data to the hold register

Input Digital Quantity

10001-10004

0x02H

Read input discrete quantity

Discrete Input Register