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Table Of Contents

【AT Instruction Set】

E90-DTU(xxxSLxx-ETH)_V2.0

Summary of content (29 pages)

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【AT Instruction Set】 E90-DTU(xxxSLxx-ETH)_V2.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Contents 1. "Basic function" AT command set......................................................................................................... 1 1.1 Summary of Basic Configuration Instructions.............................................................................2 1.2 Enter AT Command......................................................................................................................3 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 3.10 Query/Set MQTT Product Password (MQTT password/Device Secret).................................22 3.11 Query/Set the Product Key of Alibaba Cloud MQTT..............................................................22 3.12 Query/set MQTT subscription topic........................................................................................ 23 3.13 Query/Set MQTT publish topic.....................................
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 1. "Basic function" AT command set Instructions for use of E90-DTU (xxxSLxx-ETH) instruction manual: 1. Enter the AT command mode: the serial port sends +++ , send AT again within 3 seconds, and the device returns +OK , then enter the AT command mode; 2. This instruction manual supports E90-DTU(230SL22-ETH)_V2.0, E90-DTU(230SL30ETH)_V2.0, E90-DTU(400SL22-ETH)_V2.0, E90-DTU(400SL30-ETH) _V2.0, E90DTU(900SL22-ETH)_V2.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Error Code Table： Error Code -1 -2 -3 -4 -5 Illustrate Invalid Command Format Invalid Command Not Yet Defined Invalid Parameter Not Yet Defined 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 1.2 Enter AT Command Command Function Send AT Enter AT command mode AT Return +OK/+OK=AT enable Remark Returns when there is no connection and configuration：+OK=AT enable Return when there is a connection：+OK 【Example】 Send +++ first without newline No line break is required when sending AT Received \r\n+OK\r\n 或\r\n+OK=AT enable\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 【Example】 Send：AT+MODEL\r\n Received：\r\n +OK=NA111-A\r\n 1.5 Query/Set Name Command AT+NAME Query, Set name Function AT+NAME Send（Query） +OK= Return（Query） AT+NAME=（Limit 10 Bytes） Send（Set） +OK Return（Set）【Example】 Inquire: Send: AT+NAME\r\n Received:\r\n +OK=A0001\r\n Set up: Send: AT+NAME=001\r\n Received: \r\n +OK \r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 1.7 Reboot Command Function Send Return AT+REBT Reboot AT+REBT +OK 【Example】 Send：AT+REBT\r\n Received：\r\n +OK \r\n Wait for the restart to complete. 1.8 Reset Command Function AT+RESTORE Reset Send AT+RESTORE Return +OK 【Example】 Send：AT+RESTORE\r\n Received：\r\n +OK \r\n Wait for the Reset to complete. 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. Return Remarks E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set +OK= Return data format“xx-xx-xx-xx-xx-xx” 【Example】 Sent：AT+MAC\r\n Received：\r\n+OK=84-C2-E4-36-05-A2\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Send：AT+ LORA \r\n Received： \r\n+OK=0,0,2400,240,RSCHOFF,PWMAX,23,RSDATOFF,TRNOR,RLYOFF,LBTOFF,WOROFF,20 00,0\r\n Set Up： Send： AT+LORA=0,0,2400,240,RSCHOFF,PWMAX,23,RSDATOFF,TRNOR,RLYOFF,LBTOFF,WOROFF, 2000,0\r\n Received：\r\n+OK\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 128Bit can be sent successfully. 【Example】 Inquire: Send: AT+ AT+REMOLORA\r\n receive: \r\n+OK=0,0,115200,8N1,2400,240,RSCHOFF,PWMAX,16,RSDATOFF,TRNOR,RLYOFF,LBT OFF,WOROFF,2000,0\r\n Set Up： Send： AT+HTTPREQMODE=0,0,115200,8N1,2400,240,RSCHOFF,PWMAX,16,RSDATOFF,TRNOR,RL YOFF,LBTOFF,WOROFF,2000,0\r\n Received：\r\n+OK\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. Function Send（Query） Return （Query） Send（Set） Return（Set） Remarks E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Query/Set Local Port Number AT+LPORT +OK= AT+LPORT= +OK Value (port number): 0-65535,0 (the client mode uses a random port, and the server mode needs to use the "non-0" parameter, otherwise the device server will fail to open); 【Example】 Inquire: Send: AT+LPORT\r\n Received:\r\n+OK=8887\r\n set
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 1.16 Query Network Link Status Command AT+LINKSTA Function Query Network link Status Send AT+LINKSTA Return Remarks +OK= STA: Connect/Disconnect 【Example】 Send: AT+LINKSTA\r\n Received:\r\n+OK=Disconnect\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. Return（Set） Remarks E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set +OK Status: OFF - Disabled OLMAC - Send MAC on first connection OLCSTM - First Connection Send Custom EMBMAC - send MAC per packet EMBCSTM - Send Per Packet Custom 【Example】 Inquire: Send: AT+REGMOD\r\n Received:\r\n+OK=OFF\r\n set up: Send: AT+UARTCLR=OLMAC\r\n Received:\r\n+OK\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. Send（Set） Return（Set） Remarks E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set AT+HEARTMOD= +OK Mode: NONE (closed), UART (serial heartbeat), NET (network heartbeat); Time: time 0-65535s, 0 (close the heartbeat)；【Example】 Inquire: Send: AT+HEARTMOD\r\n Received:\r\n+OK=NONE,0\r\n Send: AT+HEARTMOD =NET,50\r\n Received:\r\n+OK\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. Send（Set） Return（Set） Remarks E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set AT+SHORTM= +OK Time: Limit 2-255s, 0 is off；【Example】 Inquire: Send: AT+SHORTM\r\n Received:\r\n+OK=0\r\n set up: Send: AT+SHORTM=5\r\n Received:\r\n+OK\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. Send（Set） Return（Set） Remarks E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set AT+TMOLINK= +OK Times (disconnection and reconnection time): limit 1-255, 0 is closed; Num (times of disconnection and reconnection): limit 1-60 times; 【Example】 Inquire: Send: AT+TMOLINK\r\n Received:\r\n+OK=5,5\r\n set up: Send: AT+TMOLINK=10,10\r\n Received:\r\n+OK\r\n 1.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 2. "Modbus function" AT command set 2.1 Summary of "Modbus Function" Commands Command AT+MODWKMOD AT+MODPTCL AT+MODGTWYTM AT+MODCMDEDIT Description Modbus mode Protocol conversion Storage Gateway Instruction Storage Time and Query Interval Modbus RTU command pre-stored 2.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Inquire: Send: AT+MODPTCL\r\n Received:\r\n+OK=ON\r\n set up: Send: AT+MODPTCL=ON\r\n Received:\r\n+OK\r\n 2.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Received: \r\n+OK=\r\n 1: 02 03 00 00 00 02\r\n 2: 01 03 00 05 00 00\r\n set up: Send: AT+MODCMDEDIT=ADD,0103000A0003\r\n(Add command) Received:\r\n+OK\r\n Send: AT+MODCMDEDIT=DEL,0103000A0003\r\n(Delete command) Received:\r\n+OK\r\n Send: AT+MODCMDEDIT=CLR,0103000A0003\r\n(Clear command) Received:\r\n+OK\r\n Copyright ©2012–2022，Chengdu Ebyte Electronic Technology Co., Ltd.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 3. "Internet of Things" AT command set 3.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 【Example】 Inquire: Send: AT+HTPREQMODE\r\n Received:\r\n+OK=GET\r\n set up: Send: AT+HTPREQMODE=POST\r\n Received:\r\n+OK\r\n 3.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Send: AT+HTPHEAD\r\n Received:\r\n+OK=DEL,User-Agent: Mozilla/5.0\r\n set up: Send: AT+HTPHEAD=ADD, Host:www.ebyte.com\r\n Received:\r\n+OK\r\n 3.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Send: AT+MQTKPALIVE\r\n Received:\r\n+OK=60\r\n set up: Send: AT+MQTKPALIVE=30\r\n Received:\r\n+OK\r\n 3.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set set up: Send: AT+MQTUSER=12345678&a1Ofdo5l0\r\n Received:\r\n+OK\r\n 3.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set set up: Send: AT+MQTTPRDKEY=a1HEeOIqVHU\r\n Received:\r\n+OK\r\n 3.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set 4. AT Configuration Example 4.1 Example of connecting to a standard MQTT3.1.1 server { Client id:876275396 mqtt username:485233 mqtt password:E_DEV01 mqtt server: mqtt.heclouds.com mqtt port:6002 } Restore factory settings before configuration to avoid enabling unused functions. SEND（+++） 3S内SEND（AT） RECV(+OK=AT enable) SEND（AT+RESTORE） RECV(+OK) The above steps can use the hardware to restore the factory settings.
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Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set Step 8: Subscribe to the corresponding topic (Topic)； SEND(AT+MQTSUB=0,EBYTE_TEST) RECV(+OK) Step 9: Configure the topic used for publishing； SEND(AT+MQTPUB=0,EBYTE_TEST) RECV(+OK) Step 10: Restart the device； SEND(AT+REBT) RECV(+OK) The final interpretation right belongs to Chengdu Ebyte Electronic Technology Co., Ltd. Revision History Version 1.