Ebyte Na611-s User manual

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

lowercase

【RS485 ⇌WiFi】

NA611-S / NA611-SA

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

1. Introduction ...................................................................................................................................................................... 4

1.1. Features ................................................................................................................................................................... 4

2. QuickStart .........................................................................................................................................................................5

2.1. Ready to use ............................................................................................................................................................5

2.2. Wiring ..................................................................................................................................................................... 5

2.2.1. Power ................................................................................................................................................................... 5

2.2.2. Communication RS485 ........................................................................................................................................ 6

2.3. Host computer configuration .................................................................................................................................. 6

Link configuration area ..................................................................................................................................................9

2.4. AP mode communication test ............................................................................................................................... 14

2.5. Host computer configuration (used in STA mode) ...............................................................................................16

2.6. STA mode communication test .............................................................................................................................18

3. Introduction .................................................................................................................................................................... 20

3.1. Specification ......................................................................................................................................................... 20

3.2. Technical specification ......................................................................................................................................... 20

3.3. Port Description .................................................................................................................................................... 21

3.4. Size ........................................................................................................................................................................22

3.5. Installation method ................................................................................................................................................22

3.6. Default parameters ................................................................................................................................................ 23

4. Function ...........................................................................................................................................................................25

4.1. Serial port configuration ....................................................................................................................................... 25

4.1.1. Parameter setting ................................................................................................................................................25

4.1.2. Cache function ................................................................................................................................................... 25

4.2. Job role ..................................................................................................................................................................25

4.2.1. AP mode（Access Point）................................................................................................................................25

4.2.2. STA mode（Station）.......................................................................................................................................25

4.3. Transfer mode ....................................................................................................................................................... 25

4.3.1. Transparent transmission ................................................................................................................................... 26

4.3.2. MQTT Mode ......................................................................................................................................................26

4.3.3. HTTP mode ........................................................................................................................................................29

4.3.4. Network receive cache .......................................................................................................................................30

4.4. Support DHCP and domain name resolution ........................................................................................................30

4.4.1. DHCP .................................................................................................................................................................30

4.4.2. DNS ....................................................................................................................................................................30

4.5. Disconnection reconnection and no data reboot ................................................................................................... 31

4.6. Multilink distribution ............................................................................................................................................ 31

1. Protocol Description ................................................................................................................................................ 31

4.7. Heartbeat pack with registration pack ...................................................................................................................32

4.8. High-speed simulcasting（1M）......................................................................................................................... 33

4.9. Modbus gateway ................................................................................................................................................... 33

4.9.1. Simple protocol conversion ............................................................................................................................... 33

4.9.2. Multi-host gateway ............................................................................................................................................ 33

4.9.3. Storage gateway ................................................................................................................................................. 33

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

4.9.4. Configurable gateway ........................................................................................................................................ 34

4.10. Serial port upgrade ..............................................................................................................................................34

5. Parameter configuration ................................................................................................................................................36

5.1. Hardware factory restore .......................................................................................................................................36

5.2. Directive configuration ......................................................................................................................................... 36

5.2.1. Serial port AT configuration ..............................................................................................................................36

5.2.2. Network AT configuration .................................................................................................................................36

6. Revision History ............................................................................................................................................................. 38

7. About us .......................................................................................................................................................................... 39

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

1. Introduction

NA611-S/NA611-SA is a high-performance and highly reliable WiFi

serial server (RS485 ⇌WiFi). Works in the 2.4G frequency band,

realizes RS485 data to realize device networking data exchange

through WiFi, supports IEEE802.11 b/g/n standard, supports 4-way

Socket connection; supports Alibaba Cloud, Baidu Cloud, OneNet,

standard MQTT protocol; supports TCP/ UDP/HTTP/MQTT multiple

network communication protocols.

1.1. Features

Support simultaneous TCP/UDP/HTTP/MQTT multiple network communication protocol communication;

Support up to 4 channels of Socket communication at the same time;

Support Alibaba Cloud, Baidu Cloud, OneNet, standard MQTT protocol;

Support Modbus protocol conversion (RTU and TCP);

Support modbus storage gateway / configuration gateway / multi-host gateway;

Support transparent transmission multiplex protocol transmission and broadcast transmission;

Support custom registration package, custom heartbeat package function;

Support host computer configuration (download from official website), support direct A interactive

configuration, support network interactive configuration;

Support disconnection and automatic reconnection;

High-speed continuous transmission

Support WIFI idle restart;

Support IEEE802.11 b/g/n standard;

Support 2.4G frequency band;

Support AP, STA working mode;

Support WPA2 WIFI security authentication method;

Support 3-way STA device connection (AP access point);

Support dynamic DNS, DHCP network service package;

Flexible power supply mode (DC/AC optional);

Support static IP address allocation;

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

2. QuickStart

2.1. Ready to use

Before using the WiFi serial server (hereinafter referred to as "device"), you need to prepare the computer,

converter, power supply, screwdriver and other related accessories details as follows:

List

NA611-S

USB to RS485

Computer

Power adapter (12V1A) (SA is the

AC version, prepare an AC power

cord)

WiFi antenna（2.4G）

Screwdriver (slotted SL2)

2.2. Wiring

2.2.1. Power

Power supply, use DC 8~28V power supply, or DC 12V or 24V power supply, pay attention to the positive and

negative of the DC power supply (the device has anti-reverse connection). If it is SA AC version, connect to 220V

AC power supply.

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

2.2.2. Communication RS485

2.2.3. Schematic diagram of the whole equipment

2.3. Host computer configuration

First, get to know the functions of each area of the host computer. All function settings are based on the

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

understanding of the host computer. The host computer uses AT to quickly interact with the device. Users can

configure the device directly through AT, and the effect is the same as that of the host computer. machine is

consistent.

Basic Information Area------Product Parameters

Version information/MAC address are inherent parameters of the device, users can only read

The local IP is a parameter that will be valid only for the query after the device is connected to wifi, reflecting

the ip of the device itself.

Idle restart If it is checked, it means idle restart is enabled. If the device does not perform any network

information interaction and 485 information interaction within the idle restart time, the software will restart the

device. Idle restart time in minutes.

Network AT header configuration The default network AT header of the device is NETEbyte, that is to say, the

data sent on the network, if it has this header, it will be regarded as an AT command and will not be regarded as

information. This header can be configured by the user. Yes, not Chinese, and the length is between 3-23 English

characters and numbers. For example, after setting up network communication, send NETEbyteAT+VER\r\n The

device will reply to your relevant device information through the network (\r\n is carriage return, line feed, not

string), for more AT commands, see the device's AT manual.

Basic information area------ serial port parameters (configured to take effect after restarting)

Multilink Protocol Distribution Mode If checked, for example, you have created two links to connect to two

TCPS servers respectively, then the information sent by the TCPS server will be sent out through 485 with a

specific header, the header length is 5 bits, and the distance For the content of the header, check the content of the

following protocol transmission. At the same time, whether you check this option or not, send information to 485

and upload it to the network. The information can have a header, such as the header designation is to link 1. If it is

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

sent, then only link 1 will send this piece of information. For the specific rules of the header, see the protocol

transmission part that follows.

Baud Rate/Data/Parity/Stop Bits It represents the properties of the 485 serial port of the device. If it is changed,

after restarting the device, the host computer must change the topmost serial port property to the content you

changed, and then open the serial port to conduct normal communication.

Packing time/packet length The default value is 50/1024, which means that 50ms is the minimum interval

between two packets of data. For example, if the time interval between sending two packets of data to 485 is very

small, only 30ms (less than 50ms), then the two packets of data will be combined into one packet of data. It will be

distinguished. The packet length of 1024 means that if a packet of data is very long, up to 1300 bytes (greater than

1024), it will be divided into two packets of data to send.

Serial Heartbeat Packet/Serial Heartbeat Packet Time/Serial Heartbeat Packet Content This function is

disabled by default. Users need to open it by themselves (check the serial port heartbeat package option), the serial

port heartbeat package time unit is seconds, the heartbeat content is the content that will be sent through 485, and

the hex check on the right means that The heartbeat content will be converted into hex format (hex format is rarely

used, if checked, the content in hex format will be sent). After opening, the device will send serial heartbeat

information through 485 every other serial heartbeat time.

Basic information area ------ WiFi parameter area (configured to take effect after restarting)

WIFI Mode/SSID/Password Parameters representing wifi, such as AP mode, ssid is test, password is

12345678(When entering a password, you can enter a lowercase "x" to set it as open WiFi), then the device is a

hotspot, which can be connected through wifi, the hotspot name is test, and the password is 12345678. If the STA

mode is set, the ssid is test, and the password is 9876543210, then the device will use the password of 9876543210

to connect to a router (hotspot) named test after restarting.

DHCP/Static IP/Subnet Mask/Routed Address The DHCP selection part can choose dynamic IP and static IP

mode (it works in STA mode). If it is dynamic IP, it is easy to understand, that is, after the device is connected to

the router (hotspot), the IP of the device is dynamically assigned to the device by the router (hotspot). Yes, so every

time you restart the device or reconnect to wifi, the address of the device may change. If it is static IP mode, you

can fill in the IP address you want to fix in the static IP below, but note that this cannot be filled in randomly, it

must be kept on the same network segment and this address is not assigned to other devices, for example, your

router is 192.168 .3.XXX network segment, your static IP can only be filled in such as 192.168.3.52. It cannot be

filled in across network segments. Generally, the following subnet masks do not need to be changed. The routing

address is the IP address of the router. In the correct case, every time the device is powered on and connected to the

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

router, it will be this static IP.

DNS address The resolution address generally does not need to be changed

Basic information area------modbus parameter area (the configuration will take effect after restarting)

Modbus working mode The five types of simple protocol conversion/multi-host/storage type/configuration

type/active upload type can be set respectively. The default is disabled, that is, the modbus functional area is not

enabled. Change the option to any type, which is enabled. Note: enable After that, the modbus gateway will work

on link one, only support TCP interaction, and will actively close the other three links, please do not use the other

three links. The following briefly introduces several gateway modes:

Simple protocol conversion: the most commonly used, simple TCP-RTU conversion

Multi-host mode: that is, for example, both hosts A/B will access device information through modbus. If A/B

initiates an access request at the same time, for example, A has accessed, modbus will enter the busy state, and the

access information of B will be stored. Down, wait for the end of the interaction of host A, and then execute the

interaction of host B, thus avoiding the information conflict of multiple host modbus buses

Storage gateway: Since the interaction speed of the 485 interactive terminal is slower than that of the network

terminal, many bus waits originate from the slow side, and a storage gateway, such as the host accesses an

instruction, then the device as a modbus gateway will "remember" "This command, and keep polling, and save the

polling result in the device, then next time the host accesses this data again, the device as a modbus gateway will

not go to 485 to send the inquiry information, wait for the content to return, and then return the content. Instead, it

directly returns the polling content stored in the device to the host, making the interaction speed smoother.

Configuration gateway: Similar to storage gateway, but you can configure common query commands into the

device in advance, which means that the device does not need to be issued by the host, and directly remembers

these commands. The subsequent workflow is the same as the storage gateway.

Active upload: You can configure the command in the modbus command configuration (this command

configuration area is the configuration used by the configuration gateway and the active upload uniformly). After

the configuration, just like the configuration gateway, the device as a modbus gateway will send a query through

485 information, but after the query result is obtained here, it will be directly returned to the host through the

network.

Server Hex：not support

TCP Modbus：It is supported to not check this item when selecting multiple hosts, and check it at other times.

This is a common usage, which means that the default network terminal runs TCP type data, and then the device

acts as a modbus gateway to the RTU data run by the slave terminal.

Link configuration area

Chengdu Ebyte Electronic Technology Co.,Ltd. NA611-S & NA611-SA User Manual

页

Working mode: When none is selected, it means the link is closed. When TCP/UDP transparent transmission is

selected, the above interface is used. At the same time, HTTP mode or a different MQTT mode can also be

selected.

When in TCP/UDP transparent transmission：

Connection type: TCPS/TCPC/UDPC/UDPS can be selected, representing the different roles of the device in

network communication. When in TCPS/UDPS, when the client connects, the device will remember the client

socket (records up to eight A), you can query the information of the currently connected client through the AT

command, see the AT manual for specific commands, and the interactive communication with the client also

supports protocol transmission. You can specify to send information to a certain client, or Can choose to broadcast

Server address/target address: When in TCPS/UDPS, fill in 192.168.1.1 uniformly (cannot fill in the blanks, in

fact, this parameter does not work in server mode, the device uses its own IP to open the server by default), when in

client mode (TCPC/ UDPC), this is the target IP address that the client wants to connect to

Server port/target port: When in server mode, this is the open port of the server, when in client mode, this is

the port opened by the target server.

Short connection time: This parameter does not matter, it is only useful in TCPC mode. The default value is 0,

which means the short connection is closed by default. For example, if you are in TCPS mode and set the short

connection time to 5, then this TCPC link After the connection with the server is obtained, the data is exchanged,

the link will be closed after 5S, and the connection with the server will be disconnected (if the interaction is

performed again within 5S, the time will be re-timed in 5S)

Registration package parameters (only useful for clients): Checking to enable the registration package means

that the registration package function is enabled. There are two registration methods. There is another registration

package to send. The other is that all the data sent later will have this registration package as the header. The

following data content is the content of the registration package. The Hex mode on the right is generally unchecked,

if checked That is, the data content is to be converted into hex mode.

Heartbeat packet parameters (only useful for clients): Check the heartbeat switch to enable the heartbeat

packet function, the heartbeat content is the content of the heartbeat packet sent, and the heartbeat time is the

heartbeat sending interval, such as 60, then this link is every 60S A heartbeat packet will be sent to the server (if

there is normal data interaction during this period, the heartbeat time will be reset).

When in HTTP mode

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