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Summary of Contents for ICPDAS RFU-433
- Page 1 RFU-433 User Manual 433 MHz RS-232/RS-485 Wireless Modem Dec. 2018, Version 1.00...
- Page 2 RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 Warrany All products manufactured by ICP DAS are warranted against defective materials for a period of one year from the date of delivery to the original purchaser. Warning ICP DAS assumes no liability for damages consequent to the use of this product.
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Page 3: Table Of Contents
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 Table of Contents 1. Introduction ..................4 1.1 Features ..................5 1.2 Specification .................. 6 1.3 Dimensions ................... 8 1.4 Appearance ................... 9 2. Configuration ................. 11 3. RFU-433 Utility ................14 4. -
Page 4: Introduction
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 1. Introduction The RFU-433 is an RS-232/RS-485 to 433 MHz radio modem that can be used to convert data from an RS-232/RS-485 device to RF message and transmitted in transparent mode via the 433 MHz ISM frequency band. -
Page 5: Features
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 1.1 Features 433 MHz Radio Frequency 16 RF channels with 100 kHz channel spacing Provides RF Baud Rates from 650 to 57600 bps RF output power default 10 dBm, maximum 19 dBm ... -
Page 6: Specification
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 1.2 Specification RF Interface Radio Frequency 433.1 MHz ~ 434.6 MHz Channels 0 ~ 15 (default is 4, configured by utility) Baud Rate 650 ~ 57600 bps Transmission Power Default 10 dBm, Max 19 dBm... - Page 7 RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 Input Voltage Range +10 V ~ +30 V Power Consumption 1 W @ 24 V Mechanical Dimensions (W x L x H) 108 mm x 84 mm x 33 mm ( not include antenna ) Antenna Dimensions (L x Ø...
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Page 8: Dimensions
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 1.3 Dimensions Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved. Page：8... -
Page 9: Appearance
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 1.4 Appearance Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved. Page：9... - Page 10 RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 Terminal Block Description RS-232 F.G. Frame Ground RS-485 Power: +10 ~ +30 V LED Indicator Behavior Description +10 ~ +30 V Power On Power Off RF is transmitting data RF_Tx...
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Page 11: Configuration
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 2. Configuration Most the configurations of RFU-433 are used dip switch and rotary switch. About these settings are show as below: COM Baud Rate Switch Name Number Baud Rate (bps) - Page 12 RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 Group ID Switch Name Switch Group ID Number Group ID * RFU-433 with different Group ID cannot communicate with each other. Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved. Page：12...
- Page 13 RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 COM Data Format Switch Name Switch Data Format N, 8, 1 O, 8, 1 E, 8, 1 COM Data Format Repeater Mode (RSSI Enable) * * The repeater mode can bypass RF message from one side to another and output RSSI data to COM.
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Page 14: Rfu-433 Utility
Tx time. For example, if current transmission RF message is 20 bytes with 9600 bps, the Tx time is about 20 ms, so the next time the RFU-433 can transmit RF message is after 200 ms. That is to say the message duty is 10%. -
Page 15: Application Example
PC controls RS-485 modules 1 ~ 3 through RFU-433. 1 - Multi Transfer PC controls RS-485 modules 1 ~ 3 through a RFU-433 and modules 4 ~ 6 through another RFU-433 Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved. -
Page 16: Repeater Mode
RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00 Repeater Mode PC cannot monitor the thermometer and hygrometer directly because the distance is too far. But the repeater can bypass the RF message one side to another and let PC can monitor the thermometer and hygrometer.
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