Adeunis RF ARF 73 Bedienungsanleitung
UHF Professional Data modem
User Guide
09-07-V1-smn / 206883
A
No part of this document may be reproduced or transmitted (in electronic or
paper version, photocopy) without Adeunis RF consent.
This document is subject to change without notice.
All trademarks mentioned in this guide are the property of their respective
owner.
ADEUNIS RF
283, rue Louis Néel
38920 Crolles
France
Phone +33 (0)4 76 92 07 77
Fax +33 (0)4 76 08 97 46
Ref. 09-07-V1-smn
A
RF73
User Guide
Ref. 09-07-V1-smn p 1
Table of Contents
Table of Contents..............................................................................1
About this document.........................................................................2
Declaration of conformity .................................................................3
Download of the user guide................................................... 3
Overview...........................................................................................4
Product Power supply .......................................................................4
Serial link wiring...............................................................................5
Radio communication .......................................................................6
Radio communication ............................................................ 6
Radio channels...................................................................... 6
Radio rate selection............................................................... 7
Power output........................................................................ 8
RSSI reading......................................................................... 8
Modem operating mode ....................................................................8
Command mode.................................................................... 9
Transceiver mode.................................................................10
Transparent mode................................................................11
Addressed mode ..................................................................11
Transceiver state machine ....................................................11
AT Commands .................................................................................13
Description ..........................................................................13
Set of commands .................................................................13
Register description..............................................................14
Specifications..................................................................................18
General technical characteristics............................................18
Radiofrequency....................................................................18
Transmitter..........................................................................18
Receiver ..............................................................................18
Protocol...............................................................................19
Glossary ..........................................................................................20
ANNEX : Firmware updates.............................................................20
A
RF73
User Guide
Ref. 09-07-V1-smn p 2
About this document
This guide describes the A
RF73
devices, their options and accessories.
A
RF73
User Guide
Ref. 09-07-V1-smn p 3
Declaration of conformity
Manufacturer’s name: ADEUNIS R.F.
Manufacturer’s address Parc Technologique PRE ROUX IV
283 rue Louis NEEL
38920 CROLLES - FRANCE
declares that the product if used and installed according to the user guide available on our web
site www.adeunis-rf.com
Product Name: ARF73
Product Number(s): ARF7499BD
Product options:
complies with the RTTE Directive 99/5/EC:
EMC: conformity is proven by compliance to the harmonized standard EN 301-489
Safety: conformity to the standard EN 60950-1/2001
Radio: conformity is proven by compliance to harmonized standard EN 300-113 covering
essential radio requirements of the RTTE directive.
Exposure to radio frequency signals: Regarding the 1999/519/EC recommendation, when using
the device, keep the product’s antenna at least 1 m from your body at maximum power level.
This distance could be reduced for lower power levels.
For more information, please contact Adeunis RF technical offices.
This product works in licensed frequency bands. Please don’t hesitate to contact us if
you need support on this item and want to know how to address the market in such
bands.
Crolles, May 12th, 2009
VINCENT Hervé / Quality manager
Download of the user guide
Thank you for having chosen the ADEUNIS RF products. The user guide is downloadable
on our web site www.adeunis-rf.com
Index Products
Paragraph Modems > Data modem
Print version available upon request
9Tel : +33 4 76 92 07 77
9Email : arf@adeunis-rf.com
A
RF73
User Guide
Ref. 09-07-V1-smn p 4
Overview
The ARF73 modem range provides data transmission solution for applications
requiring very long distances or working in very severe environment.
This product is available in a robust IP65 housing and is provided with an
antenna, a cable including RS232 data transmission wires and power supply.
The modem offers a transceiver mode and a command mode which allow
various configuration of the product (serial data rate, frequency and channel
selection, mode of transmission…).
This product has to be used in licensed frequency band and may be available
for 400 to 470MHz frequency range. The product is calibrated during factory
process on a dedicated sub-band and can be adjusted in +/-3.5MHz range by
using the command mode of the product.
Product Power supply
The ARF73 product is supplied from a DC voltage source. Required voltage is
10V minimum and must not exceed 28V.
The positive ‘+’ polarity must be applied on the red cable. The input voltage
is protected against reverse polarity and short transient voltage.
The total power consumption is less than 1.5A under 12V at full RF power, so
it is recommended to use a DC power 0-30V which can source at least 2A.
Positive DC
Negative DC
Serial link
A
RF73
User Guide
Ref. 09-07-V1-smn p 5
The green “ON” led is continuously lighted when the ARF73 is powered on.
Serial link wiring
The ARF73 is delivered with an RS232 cable interface with a female SUBD-9.
The modem is wired as a DCE equipment.
The outgoing data from the modem are wired on pin 2. The incoming data
from the external equipment comes on pin 3. Pin 5 is used to connect GNG
between the external equipment and the modem.
Pin 1, pin 4 and pin 6 are internally wired together.
There is no hardware flow control lines wired to the modem.
Internal SUBD9 connection
A
RF73
User Guide
Ref. 09-07-V1-smn p 6
Radio communication
Radio communication
Radio communication is performed when the modem is set in transceiver
mode (this is the default at power-up).
The radio data rate is fixed to 9600bps.
The output power may be programmed to 0.5W, 2W or 4W to either optimize
covered range or power consumption.
Radio channels
The S250 registers determined the center frequency of the bandwidth of the
modem. The modem is calibrated during factory process on this central
frequency which can not be changed by using command mode. For this
reason, S250 is a read only register.
By default, the modem is delivered with a predefined frequency table
recorded in S200 register. The central frequency corresponding to the S250
register can be found in this table at position 8. First frequency of the table is
referred has position 0.
The frequency table can freely (with respect of 12.5kHz of spacing) be
changed using command mode of the product in a range of +/-3.5MHz
around the central frequency displayed in S250. Note that the frequency
must be written with 4 digits after the point even if they are zeros. Each new
frequency must be separated by entering a <CR> char.
The channel selected from the frequency table for radio transmission and
reception is set in S201 register. S201=0 corresponds to the first channel of
the frequency table, S201=15 is the last one.
A
RF73
User Guide
Ref. 09-07-V1-smn p 7
The predefined table is setup with the following values:
Channel
S200 Frequency ≡S200
(MHz)
0 S250 – 400kHz
1 S250 – 350kHz
2 S250 – 300kHz
3 S250 – 250kHz
4 S250 – 200kHz
5 S250 – 150kHz
6 S250 – 100kHz
7 S250 – 50kHz
8 S250 frequency
(central frequency
calibrated in factory
process)
9 S250 + 50kHz
10 S250 + 100kHz
11 S250 + 150kHz
12 S250 + 200kHz
13 S250 + 250kHz
14 S250 + 300kHz
15 S250 + 350kHz
Radio rate selection
The radio rate is determined by the S254 register. For now, the only RF link
speeds available is 9600bps.
Channel
S254 RF link speed
(bps)
0 Not available
1 Not available
2 9600
A
RF73
User Guide
Ref. 09-07-V1-smn p 8
Power output
The RF output power is selected by the S231 register. There is 3 RF output
power available, 500mW, 2W and 4W.
Channel
S231 RF output (W)
0 0.5
1 2
2 4
After a long use at 4W, the radiator and the box can warm until 65°C without
spoiling the working.
RSSI reading
The RSSI (Received Strength Signal Indicator) gives an indication for the
received power level of the last demodulated frame. It is available in S230
register. This level must be used with care due to dispersion between
components.
Modem operating mode
Two operating modes are available:
•Command mode for modem setup
•Transceiver mode for transmission on radio link
At power up the modem is in transceiver mode: it is able to send or receive
data to or from the radio link according to its current configuration.
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