Ebyte M02-xacx0420 User manual

【4AI+2DO】

MA02-XACX0420

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Catalogue

1. Introduction ........................................................................................................................................1

1.1Brief Introduction ..................................................................................................................... 1

1.2 Fratures .................................................................................................................................... 1

2.Quick Star ........................................................................................................................................... 2

2.1 preparation for use ................................................................................................................... 2

2.2 Equipment wiring .................................................................................................................... 2

2.2.1 Power Supply Wiring ....................................................................................................2

2.2.2 Communication cable RS232 ....................................................................................... 3

2.2.3 Overall wiring diagram .................................................................................................4

2.3 software setting ........................................................................................................................ 5

2.3.1 Device Connection ........................................................................................................5

2.3.2 Testing Of Equipment ................................................................................................... 6

3.Product Overview ............................................................................................................................... 7

3.1 Product Standard ......................................................................................................................7

3.2 technical specification ..............................................................................................................8

3.3 Port Instructions .......................................................................................................................9

3.4 Size chart ................................................................................................................................10

3.5 Installation ............................................................................................................................. 10

4.Product features ................................................................................................................................ 11

4.1 The analog input AI ............................................................................................................... 11

4.1.1 Analog input AI description ........................................................................................11

4.1.3 Analog input AI sampling range ................................................................................. 12

4.1.4 Simulation input AI original value, engineering quantity value .................................12

4.1.5 Analog input AI calibration .........................................................................................13

4.2 Switch output DO .................................................................................................................. 13

4.2.1 Switch output DO description .....................................................................................13

4.2.2 Switch output DO mode setting ..................................................................................14

4.3 Device address ....................................................................................................................... 14

4.3.1 Device address ............................................................................................................ 14

4.3.2 Hardware Address (DIP switch) ................................................................................. 15

4.3.3 Software address (offset address) ............................................................................... 17

5. Port connection ................................................................................................................................ 17

5.1 Cable connections to the analog input AI port .......................................................................17

5.1.1 Wire connection for two-wire sensor ..........................................................................17

5.1.2 Three wire sensor connection ..................................................................................... 18

5.1.3 Four wire sensor connection ....................................................................................... 18

5.2 Switch output DO port cable ................................................................................................. 19

5.2.1 Output direct control load (1kW internal small power equipment) ............................19

5.2.2 Output control contactor (contactor controls high-power 220V equipment) ..............19

5.2.3 Output control contactor (contactor controls high-power 380V equipment) ..............20

6. Is the software ..................................................................................................................................21

6.1 software installation ...............................................................................................................21

6.2 Software Functions ................................................................................................................ 22

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

6.2.1 IO demo interface ....................................................................................................... 22

6.2.2 Basic Settings screen .................................................................................................. 25

6.2.3 Advanced Settings screen ........................................................................................... 26

6.3 Device Status Query .............................................................................................................. 27

6.4 Equipment condition control ................................................................................................. 29

7.Use Modbus ...................................................................................................................................... 31

7.1 Register list ............................................................................................................................ 31

7.2 AIList of relevant registers .................................................................................................... 32

7.3 Instruction format (part) .........................................................................................................32

7.3.1 Read DO output coil status ......................................................................................... 32

7.3.2 Read hold register ....................................................................................................... 33

7.3.3 Write a single hold register ......................................................................................... 33

7.3.4 Write multiple hold registers .......................................................................................33

7.3.5 Write a single DO coil state ........................................................................................ 34

7.3.6 Write multiple DO coil states ......................................................................................34

7.3.7 Read input register ...................................................................................................... 35

Revise History ......................................................................................................................................36

About US ............................................................................................................................................. 36

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

1. Introduction

1.1Brief Introduction

MA02-XACX0420 supports acquisition of 4-way sensor analog input (AI), conversion to serial

port (RS232) data transmission to configuration software or PLC. The serial port I/O networking

module (also known as "remote IO") is used to control 2 relay switch output (DO) by issuing

instructions through the serial port.

1.2 Fratures

Supports the Modbus RTU protocol;

Buy the government to support various configuration software /PLC/ touch screen;

Log RS232 acquisition and control IO;

The dc power supply is 8 ~ 28V, according to the bill;

A 4-way analog input AI (0 ~ 20mA/4 ~ 20mA);

Costing a 2-way switch outputs DO (relay);

Switching output (DO) supports both level and pulse modes.

Queue Input data collection port isolation defense.

Gigabit Ethernet Communicates at a baud rate of 1200 to 115200 (9600 by default), supporting

user-defined Settings.

Virtual Gateway Supports 1 to 247 slave stations, and supports 5-bit DIP switches to set address

codes from 1 to 31. If the number is greater than 31, you can configure the network using

software.

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

2.Quick Star

If there is any problem during use, please click the link on the official

website:https://www.ebyte.com/product-class.aspx

2.1 preparation for use

Before using serial port I/O networking devices (HEREINAFTER referred to as "I/O

devices"), prepare auxiliary materials such as a computer, converter, power supply, and

screwdriver. Details are as follows:

Table 2-1-1 Preparation list

Serial

number

Devices

Quantity

IO device

USB to serial converter

Configuration Tool Software

computer

power adapter（12V/1A）

screwdriver（word SL 2）

Signal generator (or sensor)

2.2 Equipment wiring

2.2.1 Power Supply Wiring

Power supply: 8-28V DC power supply, OR 12V or 24V DC power supply.

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Figure 2-2-1 Power supply wiring diagram

2.2.2 Communication cable RS232

Figure 2-2-2 Communication RS232 wiring diagram

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

2.2.3 Overall wiring diagram

(1) After the device is powered on, the POWER indicator is steady on and the POWER supply is

normal.

(2) Analog input AI wiring, connect the signal generator to the analog input AI port as shown in the

figure.

(3) Switch output DO wiring, connect the load to switch output DO port as shown in the figure.

Figure 2-2-3 Overall cable connection diagram

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

2.3 software setting

2.3.1 Device Connection

Figure 2-3-1 Software interface

（1）Operating steps: Open the serial port and find the corresponding device port number. The

default baud rate is 9600. Click Open serial Port.

Figure 2-3-2 Opening the serial port

(2) In the device window, click Search Device. The log window on the right begins to refresh the

search information. After the connected device is displayed in the Device column of the device

window, click The Stop Search menu. Select the device and click. The connection is successful.

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Figure 2-3-3 Connecting devices

2.3.2 Testing Of Equipment

Figure 2-3-4 equipment test

Figure 2-3-5 Actual test effect

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

3.Product Overview

3.1 Product Standard

Table 3-1-1 Product specifications

product model

specification

on-off

input

analog input

on-off output

RS485

RS232

MA01-AXCX4020

4DI+2DO

4 road

—

2 road

●

MA02-AXCX4020

4 road

—

2 road

●

MA01-XACX0420

4AI+2DO

—

4 road

2 road

●

MA02-XACX0420

—

4 road

2 road

●

MA01-AACX2220

2DI+2AI+2DO

2 road

●

MA02-AACX2220

2 road

●

MA01-AXCX4040

4DI+4DO

4 road

—

4 road

●

MA02-AXCX4040

4 road

—

4 road

●

MA01-XACX0440

4AI+4DO

—

4 road

●

MA02-XACX0440

—

4 road

●

MA01-AACX2240

2DI+2AI+4DO

2 road

4 road

●

MA02-AACX2240

2 road

4 road

●

MA01-XXCX0080

8DO

—

8 road

●

MA02-XXCX0080

—

8 road

●

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

3.2 technical specification

category

name

parameter

Power Supply

working voltage

Direct Current8～28V

working current

50mA @12V

power supply indi

cators

Green LED indicator

Serial Port

communication

interface

RS232

Baud rate

1200～115200 bps（default 9600 bps）

data bits

8 (Fixed)

check bit

No check, odd check, even check (default no check)

stop bit

1 (Fixed)

communication

protocol

Modbus RTU protocol

device address

1～247(Default address 32: Software 1, hardware 31)

AI Input

AI way

4 road

Collection scope

0～20mA / 4～20mA

resolution ratio

12 位

acquisition

accurancy

3‰

collection

frequency

10 Hz

Collection

features

Single-ended input

input impedance

100Ω

DO Output

DO 路数

2road

DO output type

TypeC relay(normally open + normally closed)

DO output mode

Level mode, pulse mode

Relay contact

capacity

30V/10A、250V/10A

output

instructions

Red LED indicator

Others

Product size

80 mm * 50mm * 30mm（Length * width * height）

Product weight

80g ± 5g

Working

temperature and

humidity

-40 ～+85℃、5%～95%RH（no lon）

Storage

temperature and

-60 ～+125℃、5%～95%RH（no lon）

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

humidity

installation

Positioning hole installation

3.3 Port Instructions

Figure 3-3-1 Interface diagram

Table 3-3-1 Port function table

Serial

number

Instructions

Note

VCC

Power supply +

RVV 2*0.75 wire is

recommended

GND

grounding -

A/TX

RS232 corresponds to TX

(external connection needs to be

crossed)

RVSP 3*0.5 Wire is

recommended

B/RX

RS232 corresponds to RX

(external connection needs to

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

cross)

AI1

Analog input channel 1

RVV 2*0.5 wire is recommended

AI2

Analog input channel 2

AI3

Analog input channel 3

AI4

Analog input channel 4

DO1

Switch output channel 1

Relays have normally open and

normally closed ends

DO2

Switch output channel 2

3.4 Size chart

Figure 3-4-1 Dimension diagram

3.5 Installation

The device is installed with positioning holes.

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Figure 3-5-1 Installing positioning holes

4.Product features

4.1 The analog input AI

4.1.1 Analog input AI description

Analog input AI measurement current signal, acquisition range 0 ~ 20mA or 4 ~ 20mA, accuracy

3‰, resolution 12 bits. Single-end input, sampling frequency 10Hz, input impedance 100

ohm.

Figure 4-1-1 Analog input AI interface

4.1.2 Simulate input AI filtering parameters

The filtering parameters of the AI channel can be set. The value ranges from 1 to 16, and the default

value is 6.

Note:

(1) The filtering parameter of AI channel is the same filtering parameter shared by all AI

channels. The larger the filter parameter is, the stronger the anti-interference ability of AI sampling is,

but it has the delay.

(2) The address of AI channel filter parameter is 0x04B0, and the register type is hold register.

Function codes 0x06 and 0x10. When AI filtering parameter is written, if the parameter value is not

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

in the range of 1 ~ 16, it will automatically take the nearest value to write. For example, if the write

filtering parameter is 0, the device takes 1 as the filtering parameter, and Modbus does not return an

error command.

4.1.3 Analog input AI sampling range

（1）Set the sampling range for all AI channels. Valid values are 1 and 0 (default is 0).

（2）0:0 to 20mA

（3）1:4 to 20mA The AI sampling range is shared by all channels. When the sampling

range of the AI channel is set to 4-20mA, if the current signal is lower than 4mA, the

engineering value of the channel is converted to 0. There is no conversion limit for

signals larger than 20mA, but the conversion limit cannot exceed 25mA (there is a risk

of device damage if the signal exceeds 25mA).

（4）AI channel sampling range parameter address is 0x04B2, register type is hold register,

function code 0x06, 0x10. When the AI channel sampling range parameter is written, if

the parameter value is not in the range of 0 to 1, the device automatically writes the

parameter value to the nearest value. For example, if the write sampling range parameter

is 2, the device takes 1 as the sampling range parameter, and the MDOBUS does not

return an error command.

4.1.4 Simulation input AI original value, engineering quantity value

（1）There are two ways to read the current signal size collected by the device:

（2）Read the original value of AI and calculate the input current according to the input

impedance.

The address of the AI original value register is 0x0000 to 0x0003, the register type is

input register, and the read function code is 0x04. The value returned by this method is

two bytes representing a channel, and the value read ranges from 0 to 4095. The

calculation method of current size is 0 ~ 4095 corresponding to 0 ~ 25mA.

The register type is discrete input register and the read function code is 0x04.

 

 󰇛󰇜

（3）Read the AI engineering quantity value and directly convert the input current.

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

The address of the AI engineering quantity register is 0x0064 to 0x0067, the register type

is input register, and the read function code is 0x04. The value returned in this method is

2 bytes representing one channel, and the value read ranges from 0 to 25000. The

calculation method of current size is 0 ~ 25000 corresponding to 0 ~ 25mA.

 

 󰇛󰇜

4.1.5 Analog input AI calibration

When reading AI measurement current and the error is large, the calibration can be done by

setting the high point calibration register and low point calibration register of each channel.

AI Each channel has an independent high (low) point calibration register. The addresses of the

high point calibration register are 0x0190 ~ 0x0193, and the addresses of the low point calibration

and 0x10。

The calibration method can input a precise current signal for the AI channel and write the value

for calibration. For example, if the AIx channel corresponding to the device is calibrated and the

actual input current is 20mA, read the original AI value of the AIx channel and write the original

value into the high calibration register of the AI channel. General low point calibration can be set to

0 by default.

Note: this function is used only when the error is large. It is not recommended for general use。

4.2 Switch output DO

4.2.1 Switch output DO description

Switch output DO, with level mode, pulse mode, follow mode (follow DI only). C type relay

output (normally open + normally closed), single output support maximum load (contact capacity) of

30V/10A or 250V/10A.

Switch output DO, with level mode, pulse mode, follow mode (follow DI only). C type relay

output (normally open + normally closed), single output support maximum load (contact capacity) of

30V/10A or 250V/10A。

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Figure 4-2-1 Switch output DO port

4.2.2 Switch output DO mode setting

（1）Level pattern

Output according to the level set by the user. The switching characteristic of the level mode is

similar to the function of the self-locking switch。

（2）pulse mode

After switch output DO is turned on, keep the set pulse width time (unit ms), switch output DO

is automatically turned off. Pulse width setting range from 50 to 65535 (default 50)。

（3）Follow the pattern

After the user sets the following mode, the input port to follow is set. The DO output is

consistent with the DI input.

Note: You can set multiple switch output DO terminals to follow one DI input port, but cannot

set one switch output DO terminal to follow multiple DI inputs。

4.3 Device address

4.3.1 Device address

Device address composition: hardware address + software offset address

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Figure 4-3-1 Equipment address

The default device ADDRESS is 32 (hardware ADDRESS 31 + software address 1 = device

address 32).

The device address ranges from 1 to 247.

Address: realized by dip switch (5 bits) (factory default: 31)。

Software address: Set offset address by the configuration tool software (1 by default)。

For example:

If the hardware address is set to 5 and the software address is set to 113, the device address is

118.

4.3.2 Hardware Address (DIP switch)

Figure 4-3-2 Hardware address (DIP switch)

Hardware address: Dip switch Switches different hardware addresses. Binary indicates the 5-bit

DIP switch. The "5" direction indicates low, and the "1" direction indicates high. Hardware

ADDRESS range The value ranges from 0 to 31.

Hardware address DIP switch Settings：

Example 1: Set hardware address 0, binary code。

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

Figure 4-3-3 Hardware address 0

Example 2: Set the hardware address 8, binary encoding.

Figure 4-3-4 Hardware address 8

Example 3: Set the hardware address 31, binary code.

Figure 4-3-5 hardware address 31

You can set the hardware address as required, as shown in the preceding example.

If multiple devices need to be connected to a single RS232, only the hardware address can be

used. A single bus can be connected to a maximum of 32 devices (set the hardware address).

If more than 32 devices need to be connected to an RS232 bus, you need to set the software

address (offset address) to connect a bus to a maximum of 247 devices.

The new IP address takes effect only after a power-off and restart.

Note: For the following three specifications, dip switch is in the shell of the product. If setting

dip switch, you need to disassemble the shell and set it again。

【2DI+2AI+2DO】

【4AI+2DO】

【4DI+2DO】

Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+2DO】 MA02-XACX0420 User Manual

4.3.3 Software address (offset address)

Software address: Users can set it according to different scenarios. The software address ranges

from 1 to 224 (device address: 1 to 247). The default software address is 1.

To change the software address, configure the software tool, as shown in the figure:

Figure 4-3-7 Software address (offset address)

5. Port connection

5.1 Cable connections to the analog input AI port

5.1.1 Wire connection for two-wire sensor

Figure 5-1-1 Two-wire sensor wiring diagram

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