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WoMaster LoRa LC144, Руководство пользователя

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5.12

 

DMA 

– 

LC144

 

 

LC144 has the function of optional timing polling RTU devices.It supports max 20 registers.

 

 

LC144 maps the value of the RTU polled to the register inside the device.When LM100 polls 

the RTU, LC will directly send the latest value stored in LC144.We call it “DMA(Direct 

Memory Access)”.So,it will reduce the response time of RTU and increase the number of 

retransmissions between LM and LC.

 

The latest firmware v1.3.2 for LM100 and v1.3.4 for LC144 and LoraUtility v1.3.4 support 

DMA. They also support 01,02,03,04 function code. 

 

1.

 

DMA Setting on LC144 with LoraUtility v1.3.4

 

Right click in the “Destination ID”area of the following page.

 

 

  The following page will appear.

 

 

Diagram 5.12

-

1

 

Diagram 5.12

-

2

 

Содержание LoRa LC144

Страница 1: ...oRa I O Device User Manual LoRa Master Controller LM100 LM200 LoRa End Node Device LC100 LR100 Series User Manual v1 0 2 LM100 FW v1 3 2 LM200 FW V1 0 LC144 FW v1 3 4 LR 100 FW v0 3 LoRa Utility v1 3...

Страница 2: ...ts malfunctions or failures of the warranted Product s caused by damage resulting from unforeseeable incidents such as lightings floods fire etc environmental and atmospheric disturbances other extern...

Страница 3: ...ulation Output 13 4 6 RS 485 Wiring 14 5 LoRa Utility Configuration 15 5 1 Connects LoRa device with LoRaUtility 15 5 2 Serial Port Configuration LM100 LC100 LR100 18 5 3 Group Net LM100 LM200 and LC1...

Страница 4: ...nt from LC100 and controlled by LM100 The LR100 series support LoRaWAN protocol and also utilizes LPWA technology to build one way long distance communication coverage with LoRa WAN Cloud Gateway for...

Страница 5: ...ntry s law Wireless Technology Low Power Wide Area LoRa MAC Technology Radio TX Power 22dBm Maximum The launch power may be limited by country s law Radio RX Sensitivity 148dBm SF 12 250bps Spreading...

Страница 6: ...Accuracy Level 0 3 Voltage Input 2 Channels Detection Range 0 10 V Accuracy Level 0 2 Current Output 1 Channel Output Range 4 20mA Typical 24V Power Input Accuracy Level 0 3 Voltage Output 1 Channel...

Страница 7: ...5 C 0 90 Non Condensing Storage Temperature 40 C 80 C 0 90 Non Condensing Reliability Warranty MTBF 20000 Hours Warranty 3 Years Standards EMC Compliance with IEC EN61000 6 2 IEC EN61000 6 4 Note 1 EM...

Страница 8: ...figurable RTU Device Register Address Analog Input Pre defined Current Voltage interface Forwarding Data Buffer 256Bytes FIFO Data Buffer for LoRa signal transmission Data Encryption 128bits AES with...

Страница 9: ...r applied LoRa Blinking LoRa RF Signal on Communication Power Requirement Input Rating Typical DC 24V Rating 10 30V 3 Pins Removable Terminal Connector for V Com and Chassis Earth Ground Reverse Prote...

Страница 10: ...ve V in 0 10V Positive 3 Not Available I in 4 20mA Positive I in 4 20mA Positive 4 Not Available I out 4 20mA Positive Not Available 5 Not Available V out 0 10V Positive Not Available 6 Not Available...

Страница 11: ...e power supply with DC 24V 1 5A output for the main power source The Following diagram shows how to wiring the power system from AC DC Switching Power Supply During the power wiring please turn off th...

Страница 12: ...nnel Location O C Ext Pull High Push Pull Internal Pull High No Ext R JP8 CH 7 PWM 10V Nearby CH 7 1 2 Short Default 2 3 Short JP6 CH 6 PWM 5V Nearby CH 6 1 2 Short 2 3 Short Default JP9 CH 5 Vout Nea...

Страница 13: ...ernal voltage the limited voltage is 30V CH 7 PWM 10V Output JP8 The CH 7 default is PWM 10V output with certain duty cycle and operating in push pull mode Once the jumper change to O C mode the outpu...

Страница 14: ...d rate support 1200bps 2400bps 4800bps and 9600bps it is configured by LoRa Node Utility that download from WoMaster support Web site The RS 485 HOST mode is supported in LC and LR model and SLAVE mod...

Страница 15: ...d the USB mode change During the configuration mode all of new system settings will not effective until next power reset 5 1 Connects LoRa device with LoRaUtility The LoRa Utility is un installed ensu...

Страница 16: ...e out is 1000ms and retry number is 1 After new parameters setting click Apply to apply the setting It is recommend does not modify these parameters The LM100 LM200 LC100 LR100 supports USB COM port b...

Страница 17: ...e utility will show the connective device model and the COM port information Meanwhile it will present available function TAB for different model For the easy understanding the function TAB listed in...

Страница 18: ...Click Read to download device s internal setting and Write to set new parameters into device The LM LC should give independent Device Modbus Address The LM s Modbus address also is the Group ID for LM...

Страница 19: ...s with same Modbus ID address will not communicate with wrong LM Since each LC has its own Group Net Owner AES On Off Enable Disable the encryption of Lora transmission The encryption key of LM and LC...

Страница 20: ...r end Modbus slave in busy Destination ID This setting is only for LC that has connected to Modbus RTU slave device Those Modbus RTU slave devices have independent Modbus Device Address Click and Sele...

Страница 21: ...e Click Write to apply new parameters into device and Read for current setting inspect Frequency Main Frequency Setting of LoRa Radio Frequency The LM100 and LC100 provide 2 types of major central fre...

Страница 22: ...g Factor the transmission will get better Signal Noise Ratio to ensure the transmission quality but got lower bitrate higher distance and slower transmit time Here is the trade off concept of LoRa Low...

Страница 23: ...that LR100 is going to connected For example the diagram 5 5 2 and diagram 5 2 3 show the LoRaWan Server configure WEB UI of WR322 EC LoRaWAN in ABP mode and OTAA mode Select ABP or OTAA mode and Clic...

Страница 24: ...Session Key communication session key between LoRaWAN Gateway and LR100 Apps_Key Applications Key the key of Application OTAA Configuration Table Device_eui Extended Unique Identifier of Network Devic...

Страница 25: ...from the channel selected Each type of analog field will show with different color white color is allowed to perform Read and Write gray color is only for read function Some of model provides multiple...

Страница 26: ...er setting RTU Name Give a Name for the RTU device The Name will forward to Gateway as a Tag Name for recognize Local Analog Input for Voltage and Current LR140 supports 2 Channels Voltage measuring a...

Страница 27: ...U device information existed in LR100 TimeStamp Provides Time Synchronize function with Utility Once disconnect USB cable the RTC internal timer will keep it until power reset The LR100 also perform T...

Страница 28: ...es as mapping controller polling source signal and output to target device s certain channel Tag Name Rule Name Tracking Rule Input Tracking Rule Output Chain 1 ID 100 CH0 ID 130 CH5 Chain 2 ID 100 CH...

Страница 29: ...to Voltage Out Voltage In mapping to Current Out or Current In mapping to Voltage Out However different signal will mapping and ratio output in different type signal Out Device ID the device ID of Out...

Страница 30: ...the LM200 LC configured user can click this TAB for the real time monitoring the transmission result In the Tag1 the read Value is 5067 with mV unit the real value is 5 067V Tag2 is 14953 in unit uA a...

Страница 31: ...LC144 We call it DMA Direct Memory Access So it will reduce the response time of RTU and increase the number of retransmissions between LM and LC The latest firmware v1 3 2 for LM100 and v1 3 4 for L...

Страница 32: ...o get the value of RTU connected to LC144 in time you can congfigure LC timeout as same as LC144 If you want to use the function of DMA you can set LC timeout to 0 6 LC LM ModBus RTU Protocol Register...

Страница 33: ...0005 MODBUS Device ID R W 1 250 1 Byte HEX Code 40022 Lora_freq_band R W Unit 0 1MHz 40023 Lora_TX Power R W 2byte 14 22 Unit dBm HEX Code Big Endian 40024 Lora_Spreading Factor R W 0 SF5 1 SF6 2 SF7...

Страница 34: ...EX Big Endian LC144 A O Log Register Latest setting for output channel register 40301 Log Voltage Output Value R O 2 bytes Unit 0 001V HEX Big Endian 40302 Log Current Output Value R O 2 bytes Unit 0...

Страница 35: ...l or LoRa GW 41017 CH0 Voltage Input R O 2 byte Unit 0 001V Hex Code Little Endian 41002 CH1 Current Input R O 2 byte Unit 0 001mA Hex Code Little Endian 41019 CH2 Voltage Input R O 2 byte Unit 0 001V...

Страница 36: ...dr 510 Hex 0xf5 0x01 Count of Register 1Byte unsigned integer HEX Ex 10 Data width is 2Byte Per Register plus 10 20Bytes Data Payload format defined by Modbus RTU Slave device and data forward in HEX...

Страница 37: ...LC144 supports internal resister for Push Pull directly Voltage output and O C mode for External Pull high resistor jumper setting information 3 Add LM200 configuration for Utility TAB Rule Chain TAB...

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