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K61-DL20

Switch Value Transmission Module

User Manual

Summary of Contents for K61-DL20

Page 1: ...K61 DL20 Switch Value Transmission Module User Manual ...

Page 2: ... model selection table 17 2 3 2 Product model naming rules 19 III Hardware connection and related knowledge 20 3 1 Power Hardware Connection 20 3 1 1 Power supply selection 20 3 1 2 Power Connection 20 3 1 3 Precautions and instructions for power connection 20 3 2 Hardware connection of the first communication method 21 3 2 1 The first communication method RS485 21 3 3 Hardware connection of the s...

Page 3: ...n function 45 V Parameter reading description and writing of the second communication method 46 5 1 The second communication method LoRa 46 5 1 1 LoRa parameter reading 46 5 1 2 LoRa parameter description 46 5 1 3 LoRa parameter configuration writing 47 5 1 4 LoRa configuration parameter range 48 IV ModBus 48 6 1 ModBus Address Table 48 6 1 1 Function code and register address table 48 6 1 2 Chang...

Page 4: ...tronic Technology Co Ltd User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 3 8 3 Questions related to digital input and output 53 8 3 1 AI AO input no input output DI DO input no input output 53 ...

Page 5: ...g the quality is stable and reliable 6 Construction free installation It can replace the link cable and the transmission distance is long eliminating the trouble of cable construction 7 Programming free design no programming is required all parameters can be configured through the host computer software which is easy to use and reliable in operation 8 Automatic error correction The terminal has st...

Page 6: ...t nodes are compatible and the low level input of the switching value is valid 2 DI acquisition channel and GND the effective voltage input range of low level action is less than 0 7V the withstand voltage range is less than 30V reverse connection may cause product damage DO signal output 1 The switch output type is relay normally open contact output 2 Relay contact load current range 3A Physical ...

Page 7: ...ength 1m It is recommended that the actual engineering application distance should be less than or equal to 1000 meters Air rate 2 4 62 5kbps default 4 8kbps Receive sensitivity 138dbm Actual frequency calculation formula Actual frequency 410 125Mhz channel 1Mhz Number of channels 83 Matching Antenna Interface Impedance Fre quency SMA female thread inner needle equivalent impedance 50Ω 433Mhz 1 3 ...

Page 8: ... 7 Figure 1 2 Product Dimensions 1 3 2 Product Interface Description 1 Interface description of the sending collecting end product Figure 1 3 Display of the product interface on the sending collecting end Table 1 3 2 Definition of Pin Functions of Sending Acquisition End Products No Port and Other Function Description ...

Page 9: ...nd valid wet contact is less than 0 7V valid 9 GND Input negative Input negative 0V 10 DI2 Switch value acquisition channel 2 Switch signal acquisition channel 2 With GND dry contact input is closed and valid wet contact is less than 0 7V valid 11 GND Input negative Input negative 0V 12 DI3 Switch value acquisition channel 3 Switch signal acquisition channel 3 With GND dry contact input is closed ...

Page 10: ...ace B RXD RS485 interface B RS232_RXD 5 A TX Communication interface A TXD RS485 interface A RS232_TXD 6 G Communication port RS485 ground can not be connected RS232 signal ground 0V 7 Second communication interface Antenna port network port 433Mhz antenna port network port socket 8 NO1 Switch output channel 1 The relay is normally open contact output and the contact current is less than or equal ...

Page 11: ...N light 18 SIM SIM card slot Insert a data IoT card and a phone card with a data plan This product has no SIM card slot 1 3 3 Indicator light description 1 Send collection end LED light indication as shown in below picture Figure 1 5 Table 1 5 Function table of analog input module No Indicator Name Description 1 RUN Flashing for 0 5 seconds indicates that the product is in normal operation after 3...

Page 12: ... level signal input is collected Off No valid digital signal input is collected 8 DI4 Steady on The switch value closed active low level signal input is collected Off No valid digital signal input is collected 2 LED light indication on the receiving output end as shown below Figure 1 6 Indicator light of analog output module Table 1 6 Function table of analog output module No Indicator Name Descri...

Page 13: ...the normally open contact of the relay is active closed Off The relay normally open contact is normal open 7 DO3 Always on the normally open contact of the relay is active closed Off The relay normally open contact is normal open 8 DO4 Always on the normally open contact of the relay is active closed Off The relay normally open contact is normal open 1 4 Internal circuit structure of the product 1...

Page 14: ...s chapter first This chapter is an introduction to the quick start of this product It is recommended that users read this chapter carefully and operate according to the instructions There will be a systematic understanding of this product and users can also choose the chapters you are interested in to read according to their needs For specific details and instructions please refer to the remaining...

Page 15: ...ntity Switch signal acquisition module K61D 40RL20 1 Switch signal output module K61D 04RL20 1 12V 1A adapter power supply CQ12 120100 CC 2 Power adapter cable DYX01 A 2 Suction cup antenna SMA inner thread inner needle equivalent impedance 50 Ω 433Mhz 3 5dBi gain feeder length 1 meter TX433 XPL 100 2 USB to 485 tool K1T UR0 1 Slotted screwdriver 2 50mm Flat blade screwdriver 1 2 2 Quick use 2 2 1...

Page 16: ...s too close to the RF antenna the receiver cannot receive data For more details see the Frequently Asked Questions and Solutions FAQ section 2 2 2 Step 2 Sending collecting terminal product signal input wiring 1 Connect a switch or sensor etc to the DI and GND interfaces of the K61 40 acquisition end of this product as shown in Figure 2 3 below Then after tightening the screw on the plug in termin...

Page 17: ...e powered on sending and receiving check the NET light of the K61 04 device if the NET light is on the communication between the two devices is successfully established c When the corresponding IO light is on it means that the K61 40 sender receives a switch signal and the K61 04 output terminal outputs a closed switch signal d When the terminal is connected to the wire please tighten the screw on...

Page 18: ...ed Products with the same three parameters can perform data communication Conversely if the parameters are different data communication cannot be performed That is the LoRa channel of the transmitter module is the same as the LoRa channel of the receiver module the LoRa address of the transmitter module is the same as the LoRa address of the receiver module and the LoRa wireless airspeed of the tr...

Page 19: ...g distance and 4G signal K42 DL20 2 way 0 4 20mA analog one way 433M wireless remote transmission open communication transmission distance 4KM K42 DL30 2 way 0 4 20mA analog one way 433M wireless remote transmission open communication transmission distance 8KM K43 DG 1 way 0 4 20mA analog quantity and 1 way switch quantity one way 4G remote transmission It is used in the case of long distance and ...

Page 20: ...aces as long as there is a network port that can access the Internet K62 DL20 4 channels 0 4 20mA analog quantity 433M wireless remote transmission open communication transmission distance 4KM K71 DG 8 way switch one way 4G wireless remote transmission It is used for application scenarios with long distances and 4G signals K71 DL30 8 way switch value one way 433M wireless remote transmission open ...

Page 21: ...Chengdu Ebyte Electronic Technology Co Ltd User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 20 2 3 2 Product model naming rules Take K62D 40U0RL20 as an example ...

Page 22: ...m normal operation of the product It can also be powered by our standard power adapter 3 1 2 Power Connection The wiring diagram of the power supply please refer to the following figure 3 1 Figure 3 1 RS485 wiring diagram 3 1 3 Precautions and instructions for power connection 1 The power interface of this product has the capabilities of overcurrent protection anti reverse connection protection po...

Page 23: ...rdware protection This product RS485 has the capabilities of overcurrent protection power surge protection inductive lightning protection and EMC electromagnetic compatibility 5 RS485 bus wiring rules a If the transmission distance of the RS485 bus exceeds 100 meters it is recommended to connect a 120Ω resistor in parallel at the beginning and end of the RS485 network Because with the extension of...

Page 24: ...ication cable and use the lowest baud rate as possible The use of RS485 repeaters or RS485 hubs can improve the load capacity of the RS485 bus 3 3 Hardware connection of the second communication method 3 3 1 The Hardware connection and installation of the second communication method LoRa spread spectrum 1 RF antenna connection installation and instructions The connection method of the product ante...

Page 25: ...too close to the RF antenna the receiver cannot receive data e If the measured distance is not ideal it is recommended to analyze and improve the communication distance from the antenna installation method antenna quality and LoRa wireless configuration parameters h The product comes standard with antenna parameters see Product and Accessories List If the feeder is not long enough users need to pu...

Page 26: ...d User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 25 Figure 3 3 Key switch wiring diagram 3 4 3 Wiring method of switch output DO Figure 3 4 Schematic diagram of receiving terminal wiring output passive switch signal ...

Page 27: ...etwork IO Setting Tool exe Configure the software installation package 4 1 1 Configuration software tools and driver installation package download 1 Method 1 Go to the official website www cojxu com click Download Point to point remote follow up click LoRa 433M find Pair Transmission Industrial Network IO Setting Tool download the compressed package and unzip it 2 Method 2 Enter the official websi...

Page 28: ...nd decompress it double click and click SETUP EXE install After the installation is complete it will prompt Driver installed successfully Finish Figure 4 3 Figure 4 4 3 Run the configuration software of Interconnect Industrial Network IO Setting Tool exe This setting tool supports Chinese and English Open the downloaded compressed package and decompress the file find and double click the Inter Tra...

Page 29: ...1 to drive serial port can read 485 232 TTL data 2 Display interface of product basic attributes Read the company s product type local S N code equipment unique identification code firmware version etc 3 RTU product read configuration interface Read and configure the company s product information parameters so that the product is suitable for various industrial system environments 4 The second com...

Page 30: ...d misoperations when users configure information Figure 4 6 Configuration software tool Interface introduction 4 2 Reading and changing the basic parameters of the product This chapter mainly introduces how to read product device attributes device type firmware version product unique identification code changing serial port parameters etc The detailed steps are as follows 4 2 1 Product hardware co...

Page 31: ...the number of COM ports corresponding to this product The check method is as follows Viewing method Right click My Computer This Computer Management Device Manager Port drop down option you will see the driver of CH340 CH341 and you can view the corresponding COM port number Plug and unplug Corresponding USB to RS485 to determine the corresponding COM port number Figure 4 8 Computer port of USB to...

Page 32: ...of serial port parameters baud rate check bit data bit stop bit 2 This function can only be changed and written when 485 data transparent transmission is turned on in order to match the serial port parameters of other products of the user In other cases users are advised not to change the serial port parameters of this product 3 Steps as shown in Figure 4 10 below Select the correct COM port numbe...

Page 33: ... exe 4 3 I O configuration Parameter reading description and writing This chapter mainly introduces the reading and configuration of each parameter of the I O channel 4 3 1 I O configuration parameter reading 1 I O configuration Parameter read content DI digital signal acquisition DO digital signal output network disconnection recovery time DO digital output channel value 2 Steps as shown in Figur...

Page 34: ...ection recovery That is after the disconnection time is exceeded the receiving end outputs the disconnected switch signal Receiver disconnection recovery time K61 04 0 seconds Turn off disconnection recovery The receiving end keeps the output value before the disconnection until the network connection returns to normal or the initial value is restored by artificial power failure 60 seconds to 5760...

Page 35: ...ead Device I O Configuration drop down to select self locking enter the network disconnection recovery time of 60s click Write in 3 I O Configuration the log column prompts success According to Table 4 2 configure LoRa wireless airspeed is 4 8Kbps wireless channel 0 module address 0 click Write in 2 LoRa Configuration the log bar prompts success click Save next to verify whether the read is succes...

Page 36: ...eivers Data is transmitted between devices and the values of each channel on the receiver are the same 2 After receiving the data all receivers will reply to the sender Compared to one to many no reply 1 Advantages The sending end and the receiving end are connected to the NET indicator light which will give an indication which is convenient for network connection judgment 2 Disadvantages There ar...

Page 37: ...eply B The value collected by each channel of the sender corresponds to the value output by each channel of the receiver that is the signal collected by channel CH1 of the sender corresponds to the output channel CH1 of the receiver and so on Figure 4 14 One to one 2 One to many with reply the corresponding relationship between the channel values of the sender and the receiver as shown in Figure 4...

Page 38: ... reply otherwise the communication module of the sending end will be restarted and the communication quality will be affected Description A The arrow is one way indicating that the data information flow is one way without reply B 4 channel value means that the value collected by each channel of the sending end corresponds to the value output by each channel of the receiving end that is the signal ...

Page 39: ...flow is one way without reply B The combination method is shown in the sample diagram Figure 4 17 Figure 4 18 etc Figure 4 17 An example of self organization of 1 sender and 4 receivers Figure 4 18 4 senders and 1 receiver ad hoc example 2 485 transparent transmission The 485 data of the sender transmits the data to the receiver through wireless the second communication method and the receiver out...

Page 40: ... size 240 byte byte Refresh Interval 2 seconds Time interval for sending packets 1 Recommendation 2 seconds 2 The sending time should not conflict with the refresh interval as much as possible 3 The refresh interval cannot be an integer multiple to prevent data conflict See Refresh Interval value 3 485 transparent transmission filtering After this function is enabled if the length of the user s 48...

Page 41: ...iguration is written as one to one A Steps as shown in Figure 4 20 Open the Interconnection Network IO Setting Tool select the correct COM port number and correct default parameters click Open Serial Port if the parameters have been changed and forgotten the factory settings can be restored according to Method 1 Search Read Device 4 Mode Configuration Select the pairing method as One to One Do not...

Page 42: ...spread spectrum In the second communication configuration writing step it is necessary to configure the LoRa channel LoRa address and LoRa airspeed of the sender and the receiver to be the same For details see the Second Communication Method LoRa chapter 4 Notes a In a group there must be at least one receiving end with a reply otherwise the communication module of the sending end will be restarte...

Page 43: ...the chapter parameter reading description and writing of the second communication mode Example The second communication method is LoRa wireless spread spectrum In the second communication configuration writing step it is necessary to configure the LoRa channel LoRa address and LoRa airspeed of the sender and the receiver to be the same For details see the Second Communication Method LoRa chapter 4...

Page 44: ... necessary to record the correspondence between the channel on the sending end and the channel on the receiving end Example sender S N D1257C00000271 receiver S N D1258C00000294 and D1258C00000310 The corresponding relationship between the sender channel and the receiver channel is as follows Figure 4 23 Channel self organization Example 1 to 2 channel combination relationship 1 Send configuration...

Page 45: ...n and writing of the second communication mode Example The second communication method is LoRa wireless spread spectrum In the second communication configuration writing step it is necessary to configure the LoRa channel LoRa address and LoRa airspeed of the sender and the receiver to be the same For details see the Second Communication Method LoRa chapter 2 Receiver configuration write 1 D1258C00...

Page 46: ...258C00000294 configuration steps as shown in Figure 4 26 below configuration method the same as the sender A Configuration and write parameter content pairing mode channel self organization channel self organization information parameter configuration of the second communication method B Open the Interconnection Network IO Setting Tool select the correct COM port number and the correct default par...

Page 47: ...details see the Second Communication Method LoRa chapter 4 4 7 Transparent transmission of the first communication method open and write the data remote transmission function 1 Turn on the 485 transparent transmission function a Steps as shown in Figure 4 21 below Open the Interconnection Network IO Setting Tool select the correct COM port number and correct default parameters click Open Serial Po...

Page 48: ...settings Search Read Device Read Device Properties is successful click Read in the LoRa configuration 5 displays the current LoRa configuration parameter information read successfully Figure 4 9 LoRa parameter reading 5 1 2 LoRa parameter description 1 LoRa wireless address It can be understood as the address number of the module which can be used to identify identities between devices Therefore t...

Page 49: ...ss channel and airspeed can perform data communication 5 1 3 LoRa parameter configuration writing 1 Steps see Figure 4 10 below Select the correct COM port number and correct default parameters click Open Serial Port if you have changed the parameters and forget them you can restore the factory settings Search Read Device Read Device Properties successfully Click Read in LoRa Configuration 5 shows...

Page 50: ...17 0x0010 1 DI1 digital input read only 0x00 0x01 0x02 10018 0x0011 1 DI1 digital input read only 10019 0x0012 1 DI1 digital input read only 10020 0x0013 1 DI1 digital input read only 00017 0x0010 1 DO1 switch output read write 0 1 0x01 0xF 00018 0x0011 1 DO1 switch output read write 00019 0x0012 1 DO1 switch output read write 00020 0x0013 1 DO1 switch output read write 6 1 2 Change ModBus address...

Page 51: ...short circuit DI1 and GND at the DI input terminal The read digital input value is 0x01 The corresponding binary value is 0000 0001 Each bit represents the state of one digital input and the lowest is DI1 ModBus RTU protocol reads digital input Send 01 02 00 10 00 01 B8 0F Device ModBus address Function code Analog starting address Number of reads CRC check code Receive 01 02 01 01 60 48 Device Mo...

Page 52: ...en value should be 0x03 which corresponds to binary bits 0000 0011 Modbus RTU protocol write switch output Send 01 0F 00 10 00 04 01 03 BF 54 Device ModBus address Function code Switch address Number of write switches Number of bytes Write value CRC check code Receive 01 0F 00 10 00 04 55 CD Device ModBus address Function code Switch value address Write value CRC check code VII Precautions for use...

Page 53: ...wer supply voltage is too low our power supply voltage is 8 28V recommended power supply voltage is 12VDC 24VDC Power supply type DC voltage 8 1 4 The device cannot be searched by the configuration software Check whether there is a USB to 485 driver in the computer management if there is no driver you can download the driver from the Internet or the driver we provide CH340 driver The wiring method...

Page 54: ...he acquisition device Please verify the sensor type and wire it according to the correct wiring method c Sensor damage Use a multimeter to measure the voltage of the sensor signal line The DO output is wired incorrectly a Users need to check and connect the acquisition module wiring method of the company s DO products The company s DO products are passive output For details please refer to the cha...

Page 55: ... transmitting ends The antenna should be placed in a slightly open location as close to a window as possible Do not place directly against a wall or metal In the application scenario of the industrial control box the antenna must be outside the industrial control box and the signal of the antenna in the industrial control box will basically be blocked Put the antenna as high as possible 8 3 Questi...

Page 56: ...tory Version Revision Description Maintainer Revision Date v1 0 Initial version Guo Hong 2022 04 01 About us Technical support support cdebyte com Documents and RF Setting download link www cdebyte com en Tel 86 28 61399028 Fax 028 64146160 Web www cdebyte com en Address Innovation Center B333 D347 4 XI XIN Road Chengdu Sichuan China ...

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