HLK-RM04 user manual
Contents
1. No Function Direction Explaination 1 VCCSV A Supply Voltage 5V 10 2 GND GND Analogue Ground 3 WIFILED O WLAN Activity LED 4 VO3 3 I 3 3V Output Suuport Atmost 300mA 5 LINK 1 VO 10 100 PHY Port 1 activity LED 6 N A Reserved 7 N A Reserved 8 GPIOO General GPIO Reserved 9 GPIO1 General GPIO Reserved 10 ES RST VO Exit transparent transmission mode Restore factory o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 11 TXOP1 I O 10 100 PHY Port 1 TXP 12 TXONI I O 10 100 PHY Port 1 TXN 13 RXIP2 I O 10 100 PHY Port 2 TXP 14 RXIN2 I O 10 100 PHY Port 2 TXN 15 RXINI I O 10 100 PHY Port 1 RXN 16 RXIP1 I O 10 100 PHY Port 1 RXP 17 TXON2 I O 10 100 PHY Port 42 OXN 18 TXOP2 I O 10 100 PHY Port 2 OXP 19 GPIO2 I General GPIO Reserved 20 UART_RX I UART RXD 21 UART_TX O UART TXD 22 GPIO3 I General GPIO Reserved 23 LINK2 UO 10 100 PHY Port 2 activity LED 24 GPIO4 O General GPIO Reserved 25 WPS RST I WiFi Protected Setup Restore factory value 26 GPIO5 O General GPIO Reserved 27 VO1 8 Power Out 1 8V Output Suuport Atmost 300mA 28 VCC5V Power In Supply Voltage 5V 10 Notes The I O port level voltage is 3 3 V 3 Quick Start 3 1 Restore factory settings In order to ensure that all of the configuration process is correct bring the module to restore the facto2. 0 o TM Hi Link HK Co Ltd sky hiktech E HLI n k Http Avww hiktech netTel 0755 23152658 821 HiLink Hi Link HK co Ltd HLK RM04 User Manual ETHERNET WIFI Full Function Serial Network Wireless Module 1 BRIEFINTRODUCTION esoeeoveeveenesnevnnennnsnnsnnennennesnnsnnennesnesnesnnennesnnsnesnnennesnesnnennesnnsneennennennesnnsnnennesnnnnsnnesnesneeneee 5 2 SUMMARIZE nenen Re EA Ee Re RE Ee RE EE Be ee Re EA ee Re Re Ee RE RE Be ee Re ee Re Re ee Re ge ee ee 5 0 D TM Hi Link HK Co Ltd sky hiktech Ed Li n k Http Avww hiktech netTel 0755 23152658 821 2 1 TECHNICAL SPECIFICATIONS ccccccccsseccccssecccceseccsceseccseuseccecusecssueueceseuuecssueeceseuuecsseuuecssscuecsseeuecesseuecssseneesess 5 2 2 HARDWARE EXPLANATION egene EE Ee nan 6 2 2 1 Ee EE sl 6 3 QUICK START NEE 8 3 1 RESTORE FACTORY SETTINGS ccsscsccssscecccescscccnsceccensvsceensveceenscscsensceceencscsenavecsenscecsenaceceenacsssanacessensesssenavess 8 3 2 CONFIGURATE NETWORK PARAMETER ee ese ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee tret tee ee ee ee ee ee ee ee ee ee ee ee 8 3 3 CONFIGURATE SERIAL NETWORK PARAMETER eeue see ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee treer ee ee ee ee ee ee ee ee ee ee ee ee ee 9 4 FUNCTION DESCRIPTION iss ssss sesse eke ese ge eed dee eg Ge dode see bee ee Ge ges dd bee eg ee de ees ee bee eg Ge ge es SISESE E ge be ged ede be Ge SG ese 9 4 1 SERIAL TO ETHERNET ea de GE teva Se ee See ee BAE 9 4
3. Hi Link HK Co Ltd Http www hiktech net sky hiktech Tel 0755 23152658 821 Functional Parameters WIFI work mode Client AP Router WDS Function Support WDS wireless bridge connection Wireless security Wireless MAC address filtering Wireless security function switch 64 128 152 bit WEP encryption WPA PSK WPA2 PSK WPA WPA2 security mechanism Network management Remote Web management Configuration file import and export WEB software upgrade Serial to Ethernet Maximum transmission 230400bps rate TCP connection Max connection number gt 20 UDP connection Max connection number gt 20 Serial baud rate 50 230400bps Other Parameters Status indicator Status indicator Environmental standard Operating temperature 20 70 C Operating humidity 10 90 RH noncondensing Storage temperature 40 80 C Storage humidity 5 90 RH noncondensing Additional properties Frequency bandwidth optional 20MHz 40MHz Automatic 2 2 Hardware Explanation 2 2 1 Mechanical Dimensions HLK RM04 Mechanical Dimensions is shown in the following picture o o TM i Link HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 MAIN IC i Picture2 Dimensions Unit mm 2 2 2 Pins and Interface The Pin of this product as shown above is defined as follows Table2 2 module pin interface
4. Click on the button yes the instruction in the ready for sent AT instruction area will save for User parameter group After this step when you click user0 anytime this parameter group can be called immediately and covered to the ready for sent AT instruction area The stored user parameter will save as text file in the tools contents file name respectively user userl user2 user3 7 5 Inquiry configuration Click on the button inquery The tool will send a series of AT instructions immediately to the module to inquires the current configuration of the module the result of execution will show in AT instruction return information area at once each configuration items will make corresponding change with the return information 7 6 Access to transparent transmission mode If the module has already in the AT instruction mode click on the button T T you can access to the transparent transmission mode at once 7 1 Restore factory factory value setting Click on the button reset the tool will pop up a confirmed box shown as below save Reset to Default Setting 45 H o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 Chart 20 Pop up box for reset default setting Click on the button yes The tools will send AT instruction immediately after about 30 seconds the module will access to the default state 8 Device Search tools HLK RM04_Discover is a search to
5. Domain 3080 Parity NONE el Stop Bit fi D IV DHCP r Network Parameter IP nese Mask Gateway Keke Saved User Parameter DNS User0 sj User1 sj User2 sj User3 sj Commit Query Config Transparent Reset Default Chart 17 Serial configuration tool generates AT command 7 3 Submit the configuration Click the submit configuration button the tool will send the AT instruction in the ready for sent area to the module immediately The information of command execution results will be shown in AT instruction return information area ROSES at dhcpc 0 at net ip 192 168 11 254 255 255 255 0 192 168 11 1 ok at net dns 192 168 11 1 0 0 0 0 ok at remotepro tcp at mode client at remoteip 192 168 11 245 ok at remoteport 8080 ok at timeout 0 ok at uart 115200 8 n 1 ok at uartpacklen 64 ok at uartpacktimeout 10 ok at net commit 1 44 o o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 Chart18 Serial configuration tools instruction execution 7 4 User Data Retention The user parameter holding area provides parameter saving function Through this function you can save up four sets of parameters at most respectively user0 user user2 user3 Click S button it will pop up a confirmation dialog shown as below save x Save current config to user0 Chart 19 Pop up Dialog of parameter saving
6. Function WiFi wireless channel select Format At Channel lt Channel gt r Parameter Channel 0 14 6 2 4 dhcpc Function Dhep client enable Format At dhcpce lt dhcpe gt r Parameters Table 6 5 Dhcp client enable 0 Static ip address 1 Dynamic ip address 6 2 5 net ip Function Network mode setting o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 This parameter is not valid when Dhcp client feature is turned on Format At Net_ip lt ip gt lt mask gt lt gateway gt r Parameters Ip Ip address Mask Subnet mask Gateway Gateway Network Element 6 2 6 net dns Function Network mode setting This parameter is not valid when Dhep client feature is turned on Format At Net dns lt dnsl gt lt dns2 gt r parameters dnsl Major DNS address dns2 Minor DNS address 6 2 7 dhcpd Function Dhep server enable This parameter is not valid when the network mode is AP Format At dhepd lt dhpcd gt Vr Parameters Table 6 6 Dhcp servers enable value meaning 0 close 1 open 6 2 8 dhcpd ip Function Dhep server IP setting 24 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 Format At Dhcpd_ip lt ip start gt lt ip end gt lt mask gt lt gateway gt r parameters Ip start Ip started address Ip end Ip ended address Mask Subnet mask Gateway Gateway Network Eleme
7. Http www hiktech net sky hiktech Tel 0755 23152658 821 C2 uart Serial 2 uart configration C2 mode Serial 2 Serial network mode C2 remoteip Serial 2 remote server domain name or IP address C2 port Serial 2 local or remote port C2 CLport Serial 2TCP UDP CLIENT local port C2 protocol Serial 2 network protocol type C2 timeout Serial 2 network timeout C2 uartpacklen Serial 2 Serial group fram length C2 uartpackti meout Serial 2 Serial group fram ti me C2 tcp auto Serial 2 TCP Automatic reconnection C2 tcp client check Serial 2 TCP CLIENT remote status detection 6 2 1 Net mode Function Network mode setting Format At netmode lt netmode gt r Parameters Table 6 3 network mode value meaning 0 Default setup 1 Ethernet 2 Wifi client 3 Wifi ap 6 2 2 wifi conf Function Wireless parameter setting Format At wifi_conf lt ssid gt lt encrypt types password r Parameters ssid Network SSID Encrypt type Encryption mode 22 o TM wink HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 Table 6 4 Encryption mode none Open network wep open Wep encryption open authentication method wep Wep encryption encryption authentication wpa_tkip wpa tkip wpa_aes wpa aes wpa2_tkip wpa2 tkip wpa2_aes wpa2 aes wpawpa2_tkip wpa wpa2 tkip wpawpa2_aes wpa wpa2 aes 6 2 3 Channel
8. IP Chart3 serial to Ethernet model In this mode ETH1 enable WIFI ETH2 function close Through the appropriate settings the data between COM1 and ETH1 network can achieve mutual conversion Ethernet can be configured as dynamic IP address DHCP can also be configured as static IP address STATIC o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 4 2 Serial to WIFI CLIENT HLK RMO4 e oi fi de o WIFI AP COM1 VE Client DHCP IP STATIG IP Chart 4 Serial to WIFI CLIENT model In this mode WIFI enable module works in the client mode ETH1 ETH2 function close Through the appropriate settings the data between COMI and WIFI network can achieve mutual conversion WIFI CLIENT can be configured as dynamic IP address DHCP can also be configured as static IP address STATIC WIFI safety support all encryption methods at present 4 3 Serial to WIFI AP HLK RM04 WIFI AP WIFI CLIENT COM1 PHONE pad DHCP ENABLE Chart 5 Serial to WIFI AP model In this mode WIFI enable module works in the AP mode ETH1 ETH2 function close 10 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 Through the appropriate settings the data between COM1 and WIFI network can achieve mutual conversion WIFI safety support all encryption methods at present In this mode WIFI device can connect with the module and become the device
9. In Http Avww hiktech net Tel 0755 23152658 821 Tes 100ms Trst 6s 10 Firmware upgrade 1 Restore the factory value 2 Pc can connect with module through Ethernet ip 192 168 16 123 255 255 255 0 Browser visits 192 168 16 254 Username password admin admin 3 Open the following page Select the appropriate firmware click apply upgrades Wait about 3 minutes Can not cut out the upgrade process otherwise it may cause damage to the module e 2 E Li n k WIRELESS N ROUTER IEEE 802 11N Upgrade Firmware F H K RMO4 rs Net Settings Upgrade the HLK RIMD4 firmware to obtain new functionality It takes about 1 minute to Advance Settings upload upgrade flash and be patient pioase Caution A comuptod image wil hang up Management the system Update Firmware nan reno Ponty Appendix A document revision record 1 00 Draft version 2012 9 10 1 10 2012 12 1 1 20 Firmware v1 41 2013 01 14 1 3 Add serial 2 function 2013 11 13 48 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 Contact us Mobile 486 15817488770 Shenzhen Hi Link ElectronicTechnology co Ltd HI LINK HK CO LIMITED Add 209 QiuRui Building MinKang MingZhi Road Baoan Shenzhen China Post code 518131 Tel 86 755 23152658 821 Fax 86 755 83575189 MSN hIktech hotmail com Skype hiktech QQ 2859395931 Email sunny hlktech cn web http www h
10. greater than Tes and less than Trst the module will immediately enter the AT command mode gt Tes ES RST lt Trst AT Command Chart 8 ES RST Exit transparent transmission mode 2 Specific serial data When serial exit pass through feature is turned on you can send specific serial data to make the module exit transparent transmission mode Serial exit pass through process is as follows 12 o o TN wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 0x1B 0x1B 0x1B Aw vu Av OY i gt Tpt 400ms lt gt 600ms gt Tpt AT COMMAND MODE Chart 9 Serial exit transparent transmission mode Notes Tpt Serial framing time The group frame time interval is greater than continuous send three and then wait for about 500ms 400ms lt gt 600ms framing interval is greater than the time to send three consecutive 0x1B The modules will exit the transparent transmission mode Notes This function only can be used in the case of serial exit pass through feature is turned on 4 6 Serial net data conversion There are four mode for serial net conversion TCP Server TCP Clinet UDP Server UDP Cliento TCP Server A TCP Client TCP Server ae eh TCP Client SJ TCP Client Chart 10 TCP Server In this mode the module is listening on the specified port waiting for TCP Client connection if connected all TCP data is sent directly to the serial port end the data of the serial end sent
11. reconnection Format Att tep auto lt tep auto gt r 28 o TM wink HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 Parameter top auto 0 close 1 enable 6 2 23 save Function Submitted to serial converter configuration and restart the service Format At save lt save gt r Parameters Table 6 11 submit to network setting 0 invalid submit 6 2 24 reconn Function Restart serial transformation service Format At reconn lt reconn gt r Parameters Table 6 12 reconn arbitrarily Restart serial transformation service 6 2 25 ver Function Inquiry the firmware version Format At ver r Parameters None 6 2 26 Iport Function TCP UDP CLIENT local port Format At CLport lt CLport gt r o TM wink HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 Parameters Clport Local port 6 2 27 RTS Function Serial output instructions 485 programs typically reguire a separate pin to indicate 485 transceiver receiving or sending state This Function enabled GPIO 1 pin indicates the serial port output state as an output pin Format At RTS lt RTS gt r Parameters RTS 0 Close 1 open 6 2 28 XON_XOFF Function XON XOFF flow control enabled Format At XON XOFF lt XON XOFF gt r Parameters XON XOFF 0 close 1 open 6 2 29 net_wanip Function wan ip address Format Att net w
12. to TCP Clien end 13 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 TCP Client TCP Server TCP Client Chart 11 TCP Client In this mode the module is connected to the specified domain IP port All the data sent from the TCP Server side end will be sent directly to the serial port the data from the serial end sent to the TCP Server side Abnormal network disconnect will cause the module active reconnect TCP Active reconnection function enable TCP Server initiative disconnected the module will immediately take the initiative to reconnect and otherwise the module will not reconnect UDP Server UDP Server UDP Client Chart 12 UDP Server In this mode the module opens the local designated port once received the data sent to the port the module will send the data to the serial port and record the remote ip port The module will record only the last information on the remote connection Serial received data will be sent directly to the recorded remote ip port UDP Client 14 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 UDP Server UDP Client Chart 13 UDP Client In this mode the module directly sends the serial data to the specified ip port The serial data returned from the server side will be distributed to serial port 4 7 Parameter configuration direction The module provides two ways for the configuration
13. v at net commit 1 UDP Server stas UDP Client key Remote IP Domain lt Response Serial Parameter Baud 115200 y Data E y Port 3080 Parity NONE w Stop Bit fi D IV DHCP r Network Parameter es ZS Mask Pa EN Gateway A Saved User Parameter DNS so sj Useri J User2 sj User3 El Commit Query Config Transparent Reset Default Chart 13 Configuration tools interface Description 1 Com 11 stands for configuration serial option Search module searching button Operation mode work mode selection Wifi Parameter wireless parameter configuration Network Protocol Network protocol selection Serial Parameter Serial parameter configuration IP Network IP address configuration Commit submit the configuration O e m Fb on Query config Inquiry the configuration 10 Transparent Access to transparent transmission mode 11 Reset Default Restore the factory value setting 12 Saved User Parameter User parameter holding area 13 Command Ready for sent AT instruction area 42 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 14 Response AT instruction return information area 7 1 Searching the Module Through the configure serial port choice choose PC serial number and click on the search module button the tool will use the specified serial search the module HLK RM04 the mod
14. 2 SERIALTO WIFLCLIEN EE 10 43 SERIAETO WIELAP EE 10 4 4 DEFAULT MODE eege SEENEN EES 11 4 5 SERIAL WORK MODE SWITCHING ccccccccccccccceeesesecccsseceeeeeececcseceeuecececsssseuuusecececssseuuuesesesessseuueuseeececsseeuensnss 11 4 6 SERIAL NET DATA CONVERSION ccccccccecccccsecessseeeccccseeueueeececcssseuuseescccsssuuusseeccecssseuuuueeeccesssseueueeeeeccssseuenenss 13 4 7 PARAMETER CONFIGURATION DIRECTION eseevvvvvvnnevssvnvvvvnnnnnnnsvnvnvennnnnnnnvnnnnennnnnnnnnnnnsennnnnnnnnnnnnnnnnnnenen 15 5 WEB CONFIGURATION owisccsscccccssscscscssscssscssscscsccsssscscssscsccesascssscssscscsesascscsosssascsosascsssossscsssossscusscssscscsessscssssesscss 15 5 1 WEB NETWORK CONFIGURATION even ennen ennen eee ennen aan ee ee ee ee ee EE en renee 16 5 1 1 Serial to Ethernet dynamic np 17 5 12 Serialito Ethernetstatic ID is bessies gese Ee Ee a Re Ee INN BN SNN BNN NN 17 5 1 3 Serial to WIFI CLIENT dynamic np 17 dad Serial to WIEL E E 18 TL MA aia 18 5 2 WEB SERTAL CONFIGURATION Zeenen be ee n Ge ees 18 5 3 SUBMITTING ALTERATION cccseseeccccesecccceveccccecccscuceceseeecceueuecesecueccseuueesseseccsususecsesuecsetsusecsssueesssseseseesneees 20 6 SERIAL AT COMMAND CONFIGURATION esesesssvsvsvsvsssssssssvsssvsvsssssvsssssssssssvsssssssssssssssssssssssssssssssssssssssssssee 20 6 1 ACCESS TO AT COMMANDMODE eee seen esserne een e eee eee ee ee e ana 20 6 2 AT COMMAND A N es ee Ge GE NN BB nun Lana 20 6 2 1 A A AE na IE
15. 22 622 E Sea seid 22 023 Ne 23 N EE OR EE RE EE RE OO EO 23 OT EL N EE EE AO 23 0 D TM Hi Link HK Co Ltd sky hiktech E Li n k Http Avww hiktech netTel 0755 23152658 821 6 2 6 6 2 7 6 2 8 6 2 9 6 2 10 6 2 11 6 2 12 6 2 13 6 2 14 6 2 15 6 2 16 6 2 17 6 2 18 6 2 19 6 2 20 6 2 21 6 2 22 6 2 23 6 2 24 6 2 25 6 2 26 6 2 27 6 2 28 6 2 29 6 2 30 6 2 31 6 2 32 6 2 33 6 2 34 6 2 35 6 2 36 6 2 37 6 2 38 6 2 39 6 2 40 EE AA E E RE EE OE EE NS 24 dhepa EE EE EE EE EE EE A 24 dhepd di RE EE EE Banana nan 24 dt 25 dh pd E 25 net COM A E 25 EE 26 TEMP AE EE OE EE RE N 26 UR EE N 26 AA ER N RE OR RE RE RE OR EE KO abadi 26 FUNC ENE EL RA Kn RR RE EG 27 MOE ae dnne 27 Ms 27 UATIPACKIOM E 28 HATTPACKAMEOUE iia kanne 28 EE 28 Eeer 28 D 29 PMA sabes NE OR ER ER EER 29 VE se 29 EE ER EE ER ER EE HE EE 29 RUS EE EE RR SENERE an ioin aiii daa 30 XON O eege ee Ser 20 ENEE 20 EE 31 NS 31 GEL MAC ske se OE OR OE RE EES 31 WE TEE 31 MD 32 Kya AE ee 32 C2 ER RE EE EE ET OR N EE 32 OP eie OE ER ER RR RE OE EO EE OE kibia 32 CZ AT EE dE de EE OE EE 33 BA ORE da 33 NE ER E OR N EN 33 0 D TM Hi Link HK Co Ltd sky hiktech E Li n k Http Avww hiktech netTel 0755 23152658 821 6241 E 34 6 242 iia 34 6 243 OR N mutan aan bana Banua na nan 34 EEE A EEE OR EE 34 6245 CD top chent E 35 6 3 AT COMMAND CONTROL CODE ROUTION crip uu uses sesse a ee EE E EE Ee ee ee ee ee ee ee ee ee ee ee ee Ee
16. C2 remotepro lt remotepro gt r Parameters Remotepro None none Tcp Tcp Protocal Udp Udp Protocal 6 2 39 C2_timeout Function Serial 2 network timeout Format At C2_timeout lt timeout gt r Parameters Network timeout inthe server network mode if there is none data transfer during the timeout period the connection will be disconnected 0 specifies never disconnected 6 2 40 C2_mode Function Serial 2 Convert mode setting Format At C2_mode lt mode gt r Parameters Mode None None Client clinet Server server 33 o o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 6 2 41 C2_uart Function Serial 2 uart configuration setting Format Att C2_uart lt baud gt lt data gt lt parity gt lt stop gt r Parameters Baud Baud rate Data Data bit Parity Parity bit Stop length of stop bit 6 2 42 C2_uartpacklen Function Serial 2 uart group fram length setting Format At C2 uartpacklen lt uartpacklen gt r Parameters uartpacklen length of uart group fram Unit byte 6 2 43 C2_uartpacktimeout Function Serial 2 uart group fram time setting Format Att C2_uartpacktimeout lt uartpacktimeout gt r Parameters uartpacktimeout uart group fram time Unit ms 6 2 44 C2 tcp auto Function Serial 2 TCP reconnect automaticly When this Function turned on regardless of any cause disconnected the module will continue to
17. Ee Ee 35 6 3 1 Inquiry configuration infOrMaAHOM ees esse esse ee see ee ee ee ee ee ee ee ee ee Re ee ee ee ee ee 35 6 3 2 Serial to Ethernet Dynamic ip addresS iese esse ee ee ee ee ee ee Re ee ee Re Re ee ee ee ee 36 6 3 3 Serial to Ethernet static ip address ee ee Re RA RA ee Re ee nerne Re ee ee ae ee RA ee ee 37 6 3 4 Serial to wifi client dynamic IP ocldre ge 38 6 3 5 Serial to wifi client static IP address RR Re Re RA e eien Re ee Re ee ee Re ee ee 39 63 65 Serial tomit OE ER EK EE EA RE abies DEERE LEDE 40 657 Restore add 41 7 SERIAL CONFIGURATION TOOLS vscccococncccocinnccnonancccnoninnccnacincncinnincccncccnnccioninncanacinacenoninncanacinnccincioncanacinnecinS 41 7 1 SEARCHING THE MODULE iaa 43 12 SET EACH PARAMETER AR EE OE ON ne ian EN Ne EE N 43 7 3 SUBMIT THE CONFIGURATION senen aman an NN NE NAN inn 44 7 4 USER DATA AN OR EEN 45 7 5 INQUIRY CONFIGURATION cccccccccccssssesecccceeccusseeecccceceaauseecccceesauaeseecccceeseuaenseeeceeesseaanscecccesessuanseeceeeesseuanenes 45 7 6 ACCESS TO TRANSPARENT TRANSMISSION MOD 45 7 7 RESTORE FACTORY FACTORY VALUE SETTING ees sesse ee ee see ee ee ee ees ee ee ee ee ee ee nens ee eee veere ere vene en ee ee even eee 45 S DEVICE SEARCH TOOLS D 46 9 RESTORE FACTORY SETTINGS oooo o ooooo ooooooo ooo o o o ooo o o ooooooooo ooooo ooo ooooooooo ooooooo ooooooooooo oooooooo 47 10 FIRMWARE UPGRADE ees ssies sessies ees sessie de o
18. anip r Parameters None 30 e TM wink HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 6 2 30 tep client check Function TCP CLIENT remote status detection Format At tcp client check lt tcp client check gt r Parameters tcp client check 0 close 1 open 6 2 31 S2N_Stat Function Serial Function status Format At S2N Stat r Parameters None 6 2 32 Get_MAC Function Get MAC address Format Att Get MAC r Parameters None 6 2 33 wifi_ConState Function Wi Fi CLIENT connection status Format At wifi ConState r Parameters None 31 o TM wink HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 6 2 34 wifi Scan Function WiFi Scan Format At wifi Scan r Parameters None 6 2 35 suspend Function Systerm suspend Format At suspend lt suspend gt r Parameters suspend 0 awake 1 suspend 6 2 36 C2_remoteip Function Serail 2 remote ip or domain name setting Format At C2_remoteip lt remoteip gt r Parameters Remote server domain name or IP address 6 2 37 C2_remoteport Function Serial 2 remote port seting Format Att C2 remoteport lt remoteport gt r Parameters Remote port 32 o TM wink HK Co Ltd sky hiktech n Hitp Avww hiktech net Tel 0755 23152658 821 6 2 38 C2 remotepro Function Serial 2 Protocal type setting Format Att
19. de sees dee ese de ee ss ee ede de ee ee dee ewe de ee ee oe ede de ee ee dee dee ee ie 48 APPENDIX A DOCUMENT REVISION RECORD oo 48 o o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 1 Brief Introduction HLK RM04 is a new low cost embedded UART ETH WIFI module serial port Ethernet Wireless network developed by Shenzhen Hi Link HK co Ltd This product is an embedded module based on the universal serial interface network standard built in TCP IP protocol stack enabling the user serial port Ethernet wireless network wifi interface between the conversions Through the HLK RM04 module the traditional serial devices do not need to change any configuration data can be transmitted through the Internet network Provide a quick solution for the user s serial devices to transfer data via Ethernet Serial Com WIFI Client AP Ethernet Picture1 F structure 2 Summarize 2 1 Technical Specifications Table2 1Technical Specifications wireless IEEE 802 11n IEEE 802 11g IEEE 802 11b Network standard wired IEEE 802 3 IEEE 802 3u I In maximum up to 150Mbps Wireless transmission rate 11g maximum up to 54Mbps 11b maximum up to 1 1 Mbps Tracks number 1 14 Frequency range 2 4 2 4835G Emission power 12 15DBM Interface 2 Ethernet 2 serial 1 usb host slave GPIO Antenna Antenna type Onboard antenna External Antenna HiLink
20. er at uart 115200 8 n 1 at uartpacklen 64 at uartpacktimeout 10 at ver V1 39 Dec 62012 6 3 2 Serial to Ethernet Dynamic ip address Code char commands eth V at netmode I r n at dhcpc NAN at remoteip 192 168 11 245 r n at remoteport 8080 n at remotepro tcpWWil at timeout sNNN at mode serveAAm at uart 115200 8 n NAM at uartpacklen 64VVWN at uartpacktimeout 10 r n at net_commit 1 r n at reconn 1 r n IN 3 H e TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 Com_send commands_eth Run and return at netmode 1 ok at dhepc 1 at remoteip 192 168 11 245 ok at remoteport 8080 ok at remotepro tep at timeout 0 ok at mode server at uart 115200 8 n 1 ok at uartpacklen 64 ok at uartpacktimeout 10 ok at net commit 1 6 3 3 Serial to Ethernet static ip address Code char commands eth static V at netmode NAN at dhcpc NAN at net ip 192 168 11 254 255 255 255 0 192 168 11 INN at net dns 192 168 11 IS SS Bun at remoteip 192 168 11 245 r n at remoteport 8080 n at remotepro tcpWWil at timeout O r n at mode server r n at uart 115200 8 n NAM at uartpacklen 64 r n at uartpacktimeout INAN at net_commit 1 r n at reconn NAN HA 3 Com send commands eth static Run and return at netmode 1 ok at dhcpc 0 at net_ip 192 168 11 254 255 255 255 0 192 168 11 1 ok at net_dns 192 168 11 1 8 8 8 8 ok H e TM wink HK Co Ltd sky h
21. erveAAm at uart 115200 8 n NAM at uartpacklen 64VVWN at uartpacktimeout 10 r n at net_commit 1 r n at reconn 1 r n HA 3 Com send commands wifi client static Run and return at netmode 2 ok at wifi conf HI LINK wpa2 aes 12345678 ok at dhcpc 0 at net_ip 192 168 11 254 255 255 255 0 192 168 11 1 ok at net_dns 192 168 11 1 8 8 8 8 ok at remoteip 192 168 11 245 ok at remoteport 8080 ok at remotepro tcp at timeout 0 ok at mode server at uart 115200 8 n 1 ok at uartpacklen 64 ok at uartpacktimeout 10 ok at net_commit 1 39 H e TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 6 3 6 Serial to wifi AP Code char commands_wifi_ap at netmode 3VVWN at wifi conf Hi Link wpa2 aes 000000000NAN at dhepd NAN at dhcpd ip 192 168 16 100 192 168 16 200 255 255 255 0 192 168 16 254vVWi at dhcpd_dns 192 168 16 254 8 8 8 54m at dhcpd_time 864004M at net_ip 192 168 16 254 255 255 255 0 192 168 16 2544M at net_dns 192 168 16 254 8 8 8 85 15M at remoteip 192 168 11 245 r n at remoteport5808 NAN at remotepro tcpWVWil at timeout O r n at mode server r n at uart 115200 8 n NAM at uartpacklen 64 r n at uartpacktimeout 10 r n at net_commit 1 r n at reconn NAN HA 3 Com send commands wifi ap Run and return at netmode 3 ok at wifi conf Hi Link wpa2 aes 0000000000 ok at dhcpd 1 ok at dhepd ip 192 168 16 100 192 168 16 200 255 255 255 0 192 168 16 254 ok at dhe
22. i Link Encrypt Type WPA2 AES ya Password 12345678 IP Address h 92 168 11254 Subnet Mask 255 255 255 0 Chart 12 Serial to WIFI AP 5 2 WEB serial configuration Serial Web configuration page ser2net asp is as follows H e TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 Serial Settings Current Updated Serial Configure 115200 8 n 1 h 15200 8 n 1 Serial Framing Lenth 64 l64 Serial Framing Timeout 10 milliseconds ho miliseconds lt 256 0 for no timeout Network Mode client Client Remote Server fi92 168 11 245 DomainAP 192 168 11 245 192 168 11 245 Locale Remote Port char 8080 080 Network Protocol udp UDP Network Timeout 0 seconds b seconds lt 256 0 for no timeout Submit Current shows the current configuration Updated shows the current revision parameters Submit submit the revision Serial Configure Serial configuration fomat Baud rate data bits parity bit stop bit For example 115200 8 n 1 Serial Framing Lenth The Lenth of Serial Framing Serial Framing Timeout The time of Serial Framing Network Mode choose Client Server or none Remote Server Domain IP Remote Server Domain IP address For exmpale 192 168 11 245 or www hlktech com Locale Remote Port Number The specified parameter is not the same under the different network modes Client specifies the port number on the remote Server specified local port nu
23. iktech F In Http Avww hiktech net Tel 0755 23152658 821 at remoteip 192 168 11 245 ok at remoteport 8080 ok at remotepro tcp at timeout 0 ok at mode server at uart 115200 8 n 1 ok at uartpacklen 64 ok at uartpacktimeout 10 ok at net_commit 1 6 3 4 Serial to wifi client dynamic IP address Code char commands wifi client V at netmode 2 n at wifi_conf HI LINK wpa2_aes 12345678 r n at dhcpc NAN at remoteip 192 168 11 245 r n at remoteport5808 NAN at remotepro tcpWWil at timeout O r n at mode server r n at uart 115200 8 n NAM at uartpacklen 64 r n at uartpacktimeout INAN at net_commit 1 r n at reconn NAN 3 Com send commands wifi client Run and return at netmode 2 ok at wifi conf HI LINK wpa2 aes 12345678 ok at dhepc 1 at remoteip 192 168 11 245 ok at remoteport 8080 ok at remotepro tcp at timeout 0 ok at mode server at uart 115200 8 n 1 ok at uartpacklen 64 ok 38 H e TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 at uartpacktimeout 10 ok at net_commit 1 6 3 5 Serial to wifi client static IP address Code char commands_wifi_client_static at netmode 2 n at wifi_conf HI LINK wpa2_aes 12345678 r n at dhcpc O r n attnet ip l92 168 11 254 255 255 255 0 192 168 11 INN attnet dns 192 168 11 1 8 8 8 8v vil at remoteip 192 168 11 245 r n at remoteport 8080 n at remotepro tcpWWil at timeout O r n at mode s
24. iktech net http www aliexpress com store 211069 49
25. mber 19 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 Network Protocol Use tcp or udp Protocol Network Timeout Under the server network mode no data transmission within the timeout period the connection will be disconnected 0 specifies never disconnected 5 3 Submitting Alteration Click the button Apply to submit the configuration of the current page If some parameters of the network have changed the submission process may take about 25 seconds If you only modify the serial functional configuration the submission process will be completed soon Click the button Cancel to reload the page the modified configuration will be lost 6 Serial AT command configuration 6 1 Access to AT command mode Module in network fault such as fault allocation situation will automatically exit the transparent transmission mode enter AT instruction mode In any condition keep ES RST feet low level of time but more than Tes and less than Trst the module will enter AT instruction mode immediately gt Tes V ES RST lt Trst AT Command 6 2 AT Command In AT mode you can configurate the system parameters through the serial port AT instruction Instruction format is as follows At command value r According to the different command module will return a different return value For example at remoteip 192 168 11 133 n set remote ip address as 192 168 11 133 For example at remo
26. motepro parameters setting None No protocol Tep Tep protocol Udp Udp protocol 6 2 16 timeout Function Network time out Format At timeout lt timeout gt r Parameters Network time out server Network mode when there is not any data transfer during the time out the connection will be disconnected 0 specifies never disconnected 6 2 17 mode Function The conversion mode setting Format At mode lt mode gt r Parameters Table 6 10 mode setting None No protocol Client Tep protocol Server Udp protocol 6 2 18 uart Function Serial configuration setting Format 27 o o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 At uart lt baud gt lt data gt lt parity gt lt stop gt r parameters Baud Baud rate Data Data bits Parity Parity bit Stop length of stop bit 6 2 19 uartpacklen Function Serial framing length setting Format At uartpacklen lt uartpacklen gt r Parameters uartpacklen Serial framing length Unit bit Default value 64 6 2 20 uartpacktimeout Function Serial framing time setting Format At uartpacktimeout lt uartpacktimeout gt r Parameters uartpacktimeout Serial framing time unit ms Default value 10 6 2 21 escape Function Serial exiting the Pass through enable Format At escape lt escape gt r Parameter escape 0 close 1 enable 6 2 22 tcp auto Function TCP automatic
27. nt 6 2 9 dhcpd dns Function Dhep server dns setting Format At Dhepd dns lt dnsl gt lt dns2 gt r Parameters dnsl Major dns address dns2 Minor dns address 6 2 10 dhepd time Function Dhep server time setting Format At Dhepd time lt time gt r Parameters time Dhcp effective time assigned to device 6 2 11 net commit Function Submit to network setting Network configuration parameters set to be submitted by this parameter to save the entry into force Format At Net commit lt Net commit gt r Parameters 25 o TM wun HKJCo Ltd sky hiktech n Http www hiktech net Tel 0755 23152658 821 Table 6 7 submit to network setting 0 invalid submit 6 2 12 out trans Function Exit the transparent transmission mode Format At out_trans lt out_trans gt r Parameters Table 6 8 Exit the transparent transmission mode Arbitrarily Exit the transparent transmission mode 6 2 13 remoteip Function Remote ip or domain name setting Format At remoteip lt remoteip gt r Parameters Remote server domain name or IP address 6 2 14 remoteport Function Remote port setting Format At remoteport lt remoteport gt r Parameters Remoteport Remote port 6 2 15 remotepro Function Protocol Type setting o TM wink HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 Format At remotepro lt remotepro gt r Parameters Table 6 9 re
28. ol of network end used to search the module HLK RM04 The interface is as follows I HLK RMO4 Discover By Shenzhen Hi Link ElectronicTechnology co Ltd 192 168 11 123 TED HLK RMOHV 1 39 Dec 14 2012 Chart 21 Device search tools Click on the button Discover the tools will search all the HLK RMO4 module connected with PCin the LAN The module being searched will show in the information box soon The module information including IP address MAC address and version of it 46 HHink 9 Restore factory Settings Hi Link HK Co Ltd Http Avww hiktech net Tel 0755 23152658 821 sky hiktech Support the following ways to restore the factory settings 1 Through the Web page 2 By keeping the ES RST pin low level time greater than Trst V ES RST gt Trst Reset to Default Factory setting parameter values see the following list netmode 0 wifi_conf Hi Link_ wpa2_aes 12345678 dhcpc 1 net ip 192 168 11 254 255 255 255 0 192 168 11 1 net dns 192 168 11 1 8 8 8 8 dhepd 1 dhepd ip 192 168 16 100 192 168 16 200 255 255 255 0 192 168 16 1 dhepd dns 192 168 16 1 8 8 8 8 dhepd time 86400 remoteip 192 168 11 245 remoteport 8080 remotepro tep timeout 0 mode none uart 115200 8 n I uartpacklen 64 uartpacktimeout 10 IP address 192 168 16 254 Wifi password 12345678 Web username password admin admin 47 H e TN wink HK Co Ltd sky hiktech F
29. parameters 1 Web page 2 Serial AT command Access to WEB configuration page requires the confirmation of the modules IP addresses as well as the user name and password that authenticated by WEB Configurating parameters through the serial port AT command needs to make the module into the AT command mode first Serial configuration tool HLK RM04_CONFIG Configurate the module through AT command provide a easier and convenient configuration process through the configuration combination of each parameter 5 WEB configuration 15 o e TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 HLK RMO4 Serial2Net Settings NetMode Default hd Current Updated Serial Configure 115200 8 n 1 DEER Serial Framing Lenth 64 fa Serial Framing Timeout 10 milliseconds ro milliseconds lt 256 0 for no timeout Network Mode none None y Remote Server 8216841246 Domain IP 192 168 11 245 192 168 11 245 Locale Remote Port Number 8080 8080 Network Protocol tcp TCP gt Network Timeout 0 seconds fo seconds lt 256 0 for no timeout Apply Cancel Chart 7 WEB configuration page Through the correct module address default address http 192 168 16 254 ser2net asp you can access to the WEB configuration page The page can be divided into 3 areas 1 Network configuration area 2 Serial function configuration areas 3 Configuration submit area 5 1 WEB network configuration Ne
30. pd dns 192 168 16 254 8 8 8 8 ok at dhepd time 86400 ok at net ip 192 168 16 254 255 255 255 0 192 168 16 254 ok at net dns 192 168 16 254 8 8 8 8 ok at remoteip 192 168 11 245 ok at remoteport 8080 ok at remotepro tcp at timeout 0 ok at mode server at uart 115200 8 n 1 ok at uartpacklen 64 ok Hi Link HK Co Ltd Http www hiktech net HHink at uartpacktimeout 10 ok at net commit 1 6 3 7 Restore factory value Code char commands device default N at default NAN at reboot 1 r n IN 3 Com send commands device default Run and return at default 1 sky hiktech Tel 0755 23152658 821 After 30s the modules start normally all configuration parameters change to the factory configuration 7 Serial configuration tools HLK RMO4 CONFIG is a configuration tools that configurate the module through the serial port Tool interface is as follows 41 H e TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 E HLE RM04_CONFIG By ShenZhen Hi Link ElectronicTechnology co Ltd Command COM11 v Search Operating Mode Ser2WIFI at remoteip 192 168 11 245 C WEE C Wwa at remoteport 8080 WiFi Client WiFi AP at remotepro top E nesa Network Protocol r WiFi Parameter gt at mode server z at uart 115200 8 n 1 Is TCP Server SSID at uartpacklen 64 TCP Client at uartpacktimeout 10 Enc Type
31. ry settings first If 1t is already in factory mode you can skip this step Power on the module with SV 350mA electric source wait about 30 seconds After starting Lower ES RST pin more than Trst release of ES RST feet the system will automatically restart After rebooting the system the module is already in Factory mode 3 2 Configurate network parameter Set the PC to static IP mode and then connect it with the module via Ethernet or wifi The IP address is set to 192 168 16 100 255 255 255 0 gateway 192 168 16 254 The wifi default ssid and the default password see this document open the browser http 192 168 16 254 enter the web configuration page default user name and password is admin admin Modify the network o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 parameters through the web Now the modules IP address is 192 168 16 254 Configuration details can be seen in 5 1 3 3 Configurate serial network parameter Opens the browser http 192 168 16 254 ser2net asp enter the serial to network web configuration page Configure the serial to network parameters as needed through a web page Configuration details can be seen in 5 2 4 Function Description The module can be divided into four major modes default mode serial to Ethernet serial to WIFI CLIENT and serial to WIFI AP 4 1 Serial to Ethernet HLK RM04 SWITCH COM1 ETHI ROUTER DHCP IP STATIG
32. t mode selection Default default work mode ETH SERIAL Serial to Ethernet WIFI CLIENT SERIAL serial to WIFI CLIENT WIFI AP SERIAL Serial to WIFI AP Choose different work mode the web will show you different page Mode configuration page is as follows 16 o o TM wink HK Co Ltd sky hiktech F In Hitp Avww hiktech net Tel 0755 23152658 821 5 1 1 Serial to Ethernet dynamic ip NetMode ETH SERIAL IP Type DHCP Chart 8 Serial to Ethernet dynamic 5 1 2 Serial to Fthernet static ip NetMode ETH SERIAL IP Type STATIC y IP Address h 92 168 11 254 Subnet Mask 255 255 255 0 Default Gateway h 92168111 Primary DNS Server h 92168111 Secondary DNS Server 8 8 8 Chart 9 Serial to Ethernet static 5 1 3 Serial to WIFI CLIENT dynamic ip NetMode WIFI CLIENT SERIAL SSID Hi Link Encrypt Type WPA2 AES Password 12345678 IP Type DHCP y Chart 10 serial to WIFI CLIENT dynamic 17 o o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 5 1 4 Serial to WIFI CLIENT static ip NetMode WIFI CLIENT SERIAL y SSID Hi Link Encrypt Type WPA2 AES Password 12345678 IP Type STATIC y IP Address 9216811254 2 Subnet Mask 255 255 2550 Default Gateway h92168111 Primary DNS Server 82168411 COCO Secondary DNS Server 8 8 8 Chart 11 Serial to WIFI CLIENT static 5 1 5 Serial to WIFI AP NetMode WIFI AP SERIAL hd SSID H
33. teip In Inquiry remote ip address p p quiry p At command is as follows 20 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 netmode Network mode wifi conf Wifi configuration dhepe Dhep client configuration net ip Network ip address net dns Network dns address dhepd Dhep server configuration dhepd ip Dhep server ip address dhepd dns Dhep server dns address dhepd time Dhep sever time allocation net commit Submit network configuration out trans Exit transparent transmission mode remoteip Remote server domain name or IP address remoteport The local or distal port number remotepro Network Protocol type timeout Network timeout mode Network mode uart Serial port configuration uartpacklen Serial group frame length uartpacktimeout Serial framing time save Save the configuration and start service reconn Restart services default Restore factory value settings reboot Restart the module ver The version of module CLport TCP UDP CLIENT local port RTS Serial output indication 485 XON XOFF XON XOFF flow control enable net wanip wan ip address tep client check TCP CLIENT remote status detection SIN Stat Serial function status Get MAC Get MAC address wifi ConState WiFi CLIENT connection status wifi Scan WiFi scan suspend Systerm suspend 21 9 e Hi Link HK Co Ltd F n
34. try to re establish the connection Format At C2 tcp auto lt tep auto gt r Parameters 34 H TM i Link HK Co Ltd sky hiktech n Http Avww hiktech net Tel 0755 23152658 821 top auto 0 close 1 enable 6 2 45 C2 tcp client check Function Serial 2 TCP CLIENT remote status detection Format At C2 tcp client check lt tcp client check gt r Parameters tep client check 0 close 1 open 6 3 AT command control code roution 6 3 1 Inquiry configuration information Code char query V at netmode NAN at wifi conf NAN at dhcpd NAN at dhcpd ip Ann at dhcpd_dns NAN at dhcpd_time r n at dhcpc r n at net_ip r n at net_dns r n at net_wanip r n at remoteip NAN at remoteport r n at remotepro NAN at timeout NAN at mode NAN at uart NAN at uartpacklen NAN at uartpacktimeout r n at ver r n hs A 35 H e TM wink HK Co Ltd sky hiktech F Hi Http Avww hiktech net Tel 0755 23152658 821 Com send guery Run return at netmode 0 at wifi conf Hi Link wpa2 aes 12345678 at dhepd 0 at dhepd ip 192 168 14 1 192 168 15 254 255 255 254 0 192 168 15 254 at dhepd dns 192 168 15 254 0 0 0 0 at dhepd time 86400 at dhepc 1 at net ip 192 168 15 254 255 255 254 0 192 168 11 1 at net dns 192 168 11 1 0 0 0 0 at net_wanip at remoteip 192 168 11 245 at remoteport 8080 at remotepro tcp at timeout 0 at mode serv
35. ule will be searched if it has been connected and in AT instruction mode The module information will be found in the AT instruction return information area Shown as below gt at Found Device at COM11 115200 Chart 16 searching the module At this time The PC and module have been able to establish the normal AT command communication All the AT interactive orders need to process based on the normal AT instruction communication 7 2 Set each Parameters Configurate the required function through the configuration items 3 4 5 6 7 The Configuration and modification information would immediately create the matching AT command in the ready for sent AT instruction area The generated AT instruction will not send to the module at once Shown as below 43 o o TM wink HK Co Ltd sky hiktech F In Http Avww hiktech net Tel 0755 23152658 821 E HLE RM04 CONFIG By ShenZhen Hi Link Electroniclechnology co Ltd Command COM11 X Search Operating Mode ve 3 r Ser 2WIFI WiFi Client WiFi AP at remoteip 192 168 11 245 at remoteport 8080 at remotepro tcp at timeout 0 Network Protocol r WiFi Parameter at mode server at uart 115200 8 n 1 F TCP Server SSID at uartpacklen 64 TCP Client at uartpacktimeout 10 Enc Type v at net commit 1 UDP Server at reconn 1 UDP Client Key IR Serial Parameter Baud 115200 y Data Is D Remote IP
36. under WIFI LAN 4 4 Default mode HLK RM04 WIFI CLIENT COMI bie PHONE pad DHCP ENABLE Chart 6 Default mode model In this mode WIFI enable module works in the AP mode ETH1 ETH2 function enable ETHI works as WAN ETH2 works as LAN Through the appropriate settings the data between COM and network can achieve mutual conversion WIFI safety support all encryption methods at present In this mode WIFI device can connect with the module and become the device under WIFI LAN WAN default IP is dynamic IP address LAN WIFI for the same local area network enabled by default DHCP server 4 5 Serial work mode switching Module serial work status is defined as two modes transparent transmission mode the AT command mode 11 o o TM wink HK Co Ltd sky hiktech F n Http Avww hiktech net Tel 0755 23152658 821 ji Power up Yes No Config normal 1 ES RST pin 2 Specific serial data AT command Transparent transmission mode mode 1 at out_trans 0 Chart 7 Serial work mode switching After power on normally the module will check whether the current network serial port configuration is normal if the network connection is normal the module automatically enters transparent transmission mode and otherwise the module will enter AT command mode There are two kinds of methods for transparent mode entering AT command mode 1 ES RST pin In any state to maintain the time of ES RST pin low level
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