Circutor Bridge LR Instruction Manual

Rs-485-lora converter

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RS-485 - LoRa

converter

Bridge LR

INSTRUCTION MANUAL

(M377B01-03-22A)

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Page 1 RS-485 - LoRa converter Bridge LR INSTRUCTION MANUAL (M377B01-03-22A)
Page 2 Bridge LR Instruction Manual...
Page 3: Safety Precautions
CIRCUTOR S�A�U� reserves the right to make modifications to the device or the unit specifications set out in this instruction manual without prior notice. CIRCUTOR S�A�U� on its web site, supplies its customers with the latest versions of the device specifi- cations and the most updated manuals.
Page 4: Table Of Contents
3�- INSTALLING THE DEVICE ��7 3�1�- PRELIMINARY RECOMMENDATIONS ��7 3�2�- INSTALLATION �� 8 3�3�- TERMINALS OF THE DEVICE �� 8 3�3�1�- MODEL Bridge LR PSAC �� 8 3�3�2�- MODEL Bridge LR PSDC �� 8 4�- OPERATION ��10 4�1�- LEDs ��10 4�2�- PUSH-BUTTON ��10...
Page 5: Revision Log
Bridge LR REVISION LOG Table 1:Revision log� Date Revision Description 10/22 M377B01-03-22A Initial Version SYMBOLS Table 2: Symbols� Symbol Description Compliant with the relevant European standards. Device covered by European directive 2012/19/EC. At the end of its useful life, do not leave the unit in a household waste container. Follow local regulations on electronic equipment recycling.
Page 6: 1�- Verifications Upon Reception
Immediately contact the carrier and/or CIRCUTOR's after-sales service if you detect any problem in the device upon reception. 2.- PRODUCT DESCRIPTION Bridge LR is a gateway that makes the conversion between the RS-485 physical environment and the LoRa long-range wireless network.
Page 7: 3�- Installing The Device
The Bridge LR must be installed by authorised and qualified staff. The power supply must be disconnected before handling, altering the connections or replacing the device.
Page 8: 3�2�- Installation
While the device is connected, the terminals, opening the cover or removing elements may expose hazardous live parts. The device must not be used until the installation process is complete. Bridge LR has been designed for DIN rail assembly. 3�3�- TERMINALS OF THE DEVICE 3�3�1�- MODEL Bridge LR PSAC Table 3:List of terminals of Bridge LR PSAC�...
Page 9 Bridge LR Figure 2:Bridge LR PSDC terminals� Instruction Manual...
Page 10: 4�- Operation
Blue : Silence / Waiting time (only in Master mode) RS-485 communications Red fast flashing : data transmission Green fast flashing : data reception 4�2�- PUSH-BUTTON The Bridge LR has 1 push-button (RST or RESET) to reset the device; see Figure 3 Instruction Manual...
Page 11: 4�3�- Operating Principle
These devices can be used to connect multiple RS-485 buses to a master, considerably reducing the cabling required. This can be done by simply connecting an Bridge LR configured as the Master to the RS-485 master, and an LR1RS + configured as the Slave to each of the buses to be connected; see...
Page 12 Bridge LR require a faster data refresh time. Table 6: Duty cycle� Channel Frequency Duty cycle 865.1 MHz 865.2 MHz 865.6 MHz 868.5 MHz 868.3 MHz 868.85 MHz 0.10 % 868.95 MHz 0.10 % 869.525 MHz 10 % 869.85 MHz...
Page 13: Tm Communication Rules
 Transmission time: It’s the time it takes for a data submission to go out of the Modbus Master, get the data from the Modbus slave and return to the Modbus Master (a complete communication cycle). On LoRa™ communications, it could take from 0,5 to 10 seconds, depending on Bridge LR configu- ration.
Page 14: 4�6�- Lora Tm Transmission Cycle
TRANSMISSION CYCLE In order to reach a wireless communication between the Modbus master and the Modbus slaves (via Bridge LR), timing rules must be configured on the Modbus master responsible to communicate with the devices. In order to facilitate the configuration of the Modbus masters,...
Page 15: 4�7�- Rs-485 Communication
Bridge LR 4�7�- RS-485 COMMUNICATION The Bridge LR have one RS-485 communications port, with MODBUS RTU ®, for reading and writing the device parameters. In the Modbus protocol uses the RTU (Remote Terminal Unit) mode. The Modbus functions implemented in the device are as follows: Function 0x03: Read holding registers.
Page 16 If the peripheral address assigned to a device is forgotten, the default value can be retrieved as follows: 1�- Press the RST or RESET(Bridge LR PSDC model) push-button for 10 seconds. 2�- All the LEDs flash and the device returns to its factory settings when the push-button is released.
Page 17: 5�- Configuration Software
Bridge LR 5.- CONFIGURATION SOFTWARE The Bridge LR is configured using PC software, which can be downloaded from the website (www. circutor.com). Proceed as follows to start configuration: 1�- Connect the Bridge LR to the computer via a USB - RS-485 gateway.
Page 18 The Communication mode. The Periferic number. The Device’s Operating mode, i.e. whether the Bridge LR will work as the installation’s Mas- ter or Slave. Note: Only the device that connects to the RS-485 master can be configured as the Master in the installation.
Page 19 Bridge LR 6�- Press the button to change the LoRa communication parameters. The window shown will be displayed. Figure 9 Figure 9:Configuration software:LoRa � parameters� The following items can be modified in this window:  LoRa mode Uplink�  LoRa mode DownLink�...
Page 20: 6�- Technical Features
Bridge LR 6.- TECHNICAL FEATURES AC Power supply: Bridge LR PSAC Rated voltage 110 ... 264 V ~ Frequency 47 ... 63 Hz Maximum Consumption 2.5 ... 4.5 VA Installation category CAT III 300V DC Power supply: Bridge LR PSDC Rated voltage 9 ...
Page 21 Bridge LR 70.5 17.5 Figure 10: Bridge LR PSAC dimensions� Instruction Manual...
Page 22: 7�- Maintenance And Technical Service
Bridge LR 7.- MAINTENANCE AND TECHNICAL SERVICE The device does not need any maintenance. In the case of any query in relation to device operation or malfunction, please contact the CIRCUTOR S�A�U� Technical Support Service. Technical Assistance Service Vial Sant Jordi, s/n, 08232 - Viladecavalls (Barcelona) Tel: 902 449 459 (Spain) / +34 937 452 919 (outside of Spain) email: sat@circutor.com...
Page 23: 9�- Ue Declaration Of Conformity
Bridge LR 9.- UE DECLARATION OF CONFORMITY Instruction Manual...
Page 24 Bridge LR Instruction Manual...
Page 25 Bridge LR Instruction Manual...
Page 26 CIRCUTOR S.A.U. Vial Sant Jordi, s/n 08232 - Viladecavalls (Barcelona) Tel.: (+34) 93 745 29 00 - Fax: (+34) 93 745 29 14 www.circutor.com central@circutor.com...

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Circutor Bridge LR Instruction Manual

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