ICP DAS USA LRA-900 Operation & User’s Manual

Version 1.0.0 Page：1 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] User Manual Version 1.1.0 Sep. 2020 LRA-900 (RS-232/RS-485 to LoRa Radio Modem) ...

Version 1.0.0 Page：2 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] Table of Contents 1. Introduction ......................................................................................................................... 4 1.1. Features .......................... ...

Version 1.0.1 Page：3 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] Important Information Warranty All products manufactured by ICP DAS are under warranty regarding defective materials for a period of one year, beginning from the date of delivery to the original pur ...

Version 1.0.1 Page：4 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 1. Introduction The LRA-900 is a RS-232/RS-485 to radio device designed for remote communication operating in a transparent way and exploiting the physical layer of LoRa (Long Range) transmission te ...

Version 1.0.1 Page：5 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 1.1. Features  LoRa (Long Range) transmission technology  Transparent transmission mode  32 RF channels (Frequency band : 864~ 871.5MHz, 915~ 922.5MHz)  RF baud rates: 10,000 ~ 250 bps ...

Version 1.0.1 Page：6 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 1.2. Specification RF Interface Radio Frequency 864~ 871.5MHz, 915~ 922.5MHz (channel: 32, recommend using 868 +/- 4 MHz) Baud Rate 10000 ~ 250 bps Transmission Power 15 dBm (Max.) Antenna 2 dBi Om ...

Version 1.0.1 Page：7 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 2. Getting Started  Appearance  Pin Assignment Pin Description +Vs +10 ~ +30 VDC GND Power Ground D+ RS-485 Logic High D- RS-485 Logic Low F.G. Frame Ground GND RS-232 Ground TxD RS-232 Trans ...

Version 1.0.1 Page：8 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 2.1. LED Indicator LED Behavior Description PWR On +10 ~ +30 VDC Power On Off Power Off RF_Tx On RF is transmitting data Off RF is no data to transmit RF_Rx On RF is receiving data Off RF is no dat ...

Version 1.0.1 Page：9 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 2.3. DIP Switch Setting Pin Switch Name Description ■ : ON □ : OFF 1 ~ 3 COM0 Baud Rate (bps) Baud Rate 1 2 3 115200 □ □ □ 57600 ■ □ □ 38400 □ ■ □ 19200 ■ ■ □ 9600 □ � ...

Version 1.0.1 Page：10 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected] 3. Software Utility When users want to change the “Group ID”, “LoRa frequency”, “Module operation mode” of the LRA-900, the LRA-900 Utility tool may be needed. 3.1. Install the LRA-90 ...