ICP DAS USA RFU-433 User manual

RFU-433 Quick Start v1.00, January 11, 2019 ------------------------------------- 1
RFU-433 Quick Start V1.00, Dec. 2018
What's in the box?
In addition to this guide, the package includes the following items:
RFU-400 Module + ANT-104-02
Screwdriver
1. Specifications & Features
Frequency Range: 433.1 MHz ~ 434.6 MHz (default channel is 4: 433.5 MHz)
Channel Spacing: 100 kHz
Channel Number: 16
Output Power: Default 10 dBm, Max 19 dBm
Modulation Technique: 2GFSK
Group ID: 0 ~ 7
RF Data Rate: 650 ~ 57600 bps
Communication distance: 1000 m ( in open areas with 9600 bps RF Data Rate )
Antenna Connector: RPSMA
Serial Port: COM 0 ( RS-232 and RS-485 bypass )
COM Port Data Rate: 1200 ~ 115200 bps
COM Port Data Format: N,8,1 / O,8,1 / E,8,1
Support RF Repeater Mode
LED: PWR, RF_Tx, RF_Rx
2500 Vrms photocouple isolation on power.
±4 kV ESD to contact.
Reverse polarity protection and Short protection on power.
Power requirement +10 VDC ~ +30 VDC.
Power consumption 1 W @ 24 VDC.
Operating Temperature: -25℃~ +75℃.
Storage Temperature: -30℃~ +80℃.
Humidity: 10 to 90% RH (Non-condensing)
Module Dimensions (not include antenna): 33 mm x 106 mm x 85 mm (W x L x H)
Antenna Dimension: 108 mm x Ø 10mm

RFU-433 Quick Start v1.00, January 11, 2019 ------------------------------------- 2
2. Pin Assignment
3. LED
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
Always On
RF is receiving data, signal strength high
100ms Flash
RF is receiving data, signal strength middle
500ms Flash
RF is receiving data, signal strength low
Off
RF is no data to receive
4. Rotary Switch
Switch Name
No
Baud rate (bps)
No
Baud rate (bps)
RF Baud Rate
0*
Same with COM
1
57600
2
38400
3
19200
4
9600
5
4800
6
2400
7
1200
8
650
9 ~ E
reserved
F
Firmware version
* If COM rate is 115200 bps, the RF rate will set to 57600 bps.
Switch Name
No
Baud rate (bps)
No
Baud rate (bps)
COM Rate
0
115200
1
57600
2
38400
3
19200
4
9600
5
4800
6
2400
7
1200
8 ~ E
reserved
Pin
Description
RxD
RS-232
TxD
GND
F.G.
Frame Ground
D-
RS-485
D+
GND
Power:
+10 ~ +30 VDC, 1A
+Vs

RFU-433 Quick Start v1.00, January 11, 2019 ------------------------------------- 3
5. DIP Switch
No
Switch Name
Description
1 ~ 3
Group ID
RFU-433 with the same
group ID can communicate
with each other
4 ~ 6
reserved
reserved
7 ~ 8
COM
data type
Data Type
7
8
N, 8, 1
OFF
OFF
O, 8, 1
ON
OFF
E, 8, 1
OFF
ON
Repeater
ON
ON
Set mode/Run mode
Set
Utility setting mode
Run
Normal firmware work
6. RFU-433 Utility
Users can select “Hardware Setting” or “Software Setting” through the utility. If
use “Hardware Setting”, the “Channel” parameter will be fixed at 433.5 MHz, the
“Output Power” parameter will be fixed at 10 dBm, and the “Message Duty”
parameter will be fixed at enable 10% message duty. If use “Software Setting”, the
“Channel”, “Output Power” and “Message Duty” parameters can be set by users.

RFU-433 Quick Start v1.00, January 11, 2019 ------------------------------------- 4
7. Application Example
PC can control RS-485 modules 1 ~ 3 through a RFU-433.
And control modules 4 ~ 6 through another RFU-433.
If these two RFU-433 are far away.
Users can add a RFU-433 with repeater mode between these two RFU-433.