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RF400 Series Spread Spectrum Data Radio/Modems

3

Quiescent Current in Standby Modes*

Avg. Quiescent

Current (mA)

Advanced Setup

Standby Mode

Standard

Setup

RF400/

RF410

RF415

24.0

33.0

0 (no duty cycling)

1

3.9

5.5

3

2

2.0

2.8

4

3

1.1

1.5

5

0.64

0.84

6

0.40

0.50

7

4

* Not receiving a signal nor transmitting

PHYSICAL

•

Size

4.75 x 2.75 x 1.3 inches (12.1 x 7.0 x 3.3 cm)

•

Weight

0.5 lbs (225 g)

•

Operating temp. range

–25

°

C to +50

°

C

•

Humidity

0 to 95% RH, non-condensing

RF/INTERFACE

•

Transceiver modules

MaxStream
RF400 – 9XStream XO9-009
RF410 – 9XStream XH9-009
RF415 – 24XStream X24-009

•

Frequency bands

RF400 – 910.5 to 917.7 MHz
RF410 – 920.0 to 927.2 MHz
RF415 – 2.45015 to 2.45975 GHz

•

Interface ports

1) CS I/O 9 pin
2) RS-232 9-pin (4 wire: Tx, Rx, CTS, GND)

•

I/O Data Rates

38.4 K, 19.2 K, 9600, 4800, 1200 bps

•

Mode

Frequency hopping spread spectrum (FHSS), 25
hop channels, 7 hopping sequences, direct FM
frequency control

•

Channel capacity

65,535 addresses

•

Transmitter output

100 mW nominal (50 mW RF415)

•

Receiver sensitivity

−

110 dBm at 10

-4

bit error rate

(

−

104 dBm for RF415)

•

Antenna impedance

50

Ω

, unbalanced (SMA male connector)

•

Interference reject

70 dB at pager and cellular phone frequencies
(RF400/RF410)

•

RF packet size

up to 64 bytes, half-duplex

•

Error handling

RF packet CRC failure detection/rejection or
configurable retry levels

3. Quick Start

This section is intended to serve as a “primer” enabling you to quickly build a
simple system and see how it operates. This section describes in four steps
how to set up a pair of RF400s in a direct connect, point-to-point network. We
recommend that you do this before undertaking field installation. For
additional help on point-to-point networks and for help on creating point-to-
multipoint networks, refer to Software Setup Section 5.

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Содержание RF400

Страница 1: ...INSTRUCTION MANUAL RF400 RF410 RF415 Spread Spectrum Data Radio Modem Revision 3 05 C o p y r i g h t c 2 0 0 1 2 0 0 5 C a m p b e l l S c i e n t i f i c I n c...

Страница 2: ...eu of all other warranties expressed or implied including warranties of merchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or con...

Страница 3: ...F400 Series Base Station Cable Power Kit Any other AC adapter used must have a DC output not exceeding 16 5 Volts measured without a load to avoid damage to the RF400 Series radio Over voltage damage...

Страница 4: ...This is a blank page...

Страница 5: ...Retries 10 4 1 5 Received Signal Strength 12 4 2 Power Supplies 12 4 3 Serial Cables 14 4 4 Antennas for the RF400 Series 15 4 5 Antenna Cables and Surge Protection 19 4 5 1 Antenna Cables 19 4 5 2 E...

Страница 6: ...oved Antennas 16 18 5 Example COAX RPSMA L Cable for Yagi or Omni Colinear 19 6 Antenna Surge Protector 19 7 Enclosure with Antenna Surge Protector for RF400 20 8 Point to Multipoint System 26 9 PC208...

Страница 7: ...RF400 Table of Contents iii K 1 900 MHz Gain Antenna Test Distances K 6 L 1 Advanced Setup Menu L 1...

Страница 8: ...RF400 Table of Contents iv This is a blank page...

Страница 9: ...at of the RF400 The RF415 is a 2 4 GHz version with 50 mW transmitter intended mainly for certain European and Asian markets Communication distances vary from 300 feet indoors to mile 100 to 400 meter...

Страница 10: ...necessary a more distant base station can be set up using short haul modems or phone modems between PC and RF400 Base Station power is usually provided by a wall adapter For a remote RF400 power is n...

Страница 11: ...00 bps Mode Frequency hopping spread spectrum FHSS 25 hop channels 7 hopping sequences direct FM frequency control Channel capacity 65 535 addresses Transmitter output 100 mW nominal 50 mW RF415 Recei...

Страница 12: ...in any orientation The main objective is to provide an antenna If you should transmit without an antenna attached there will be no equipment damage as the transmitter is protected against load mismat...

Страница 13: ...AG E2 G 3 4 2 5 6 3 SE DIFF G G H L 7 8 4 AG H L AG H L AG E3 AG G G 9 10 5 11 12 6 P1 G P2 G C8 C7 C6 C5 C4 C3 C2 C1 G 12V 12V SDM 5V 5V G G SW 12V SW 12V CTRL Logan Utah G 12V POWER IN CR10X WIRING...

Страница 14: ...W and configure it to connect to the datalogger via the RF400 point to point network you have set up The RF400 in a point to point network can operate transparent to LoggerNet PC208W Simply add a data...

Страница 15: ...he box their network addresses and hopping sequences are also 0 zero by default See Section 4 1 3 1 and Section 5 Software Setup for more details Step 4 Connect You are now ready to Connect to your da...

Страница 16: ...can remain connected to the CS I O port while setting RF400 parameters on the RS 232 port although CS I O communications would be inactive until exiting the Setup Menu 4 1 2 1 Auto Sense The factory...

Страница 17: ...Radio Address Mask to 0h if no 5 V is detected on its CS I O port pin 1 see Auto Sense Section 4 1 2 1 4 1 3 1 Address and Address Mask For simple point to point installations the RF400 s default set...

Страница 18: ...haul modems to RF400s to datalogger see Appendix G Network to RF400 PC to Internet to NL100 to RF400 to datalogger use LoggerNet IPPort or PC208W socket remote IP address port number 4 1 4 Error Hand...

Страница 19: ...get an ACK packet response The allowable range is 0 to 255 If packets are failing because of periodic noise or signals specifying more time slots for random retries will improve the chances for succe...

Страница 20: ...5 Received Signal Strength Beginning with SW Version 6 420 the RF400 series radios provide a means of knowing the signal strength of the last packet received addressed to it that had a valid CRC To s...

Страница 21: ...e supply voltage to rise at times virtually to its open circuit level The RF400 series radio will sustain damage if the DC Pwr jack voltage ever exceeds 18 Volts 120 VAC line voltages vary from locati...

Страница 22: ...n pin 8 Field Power Cable 14291 AC Adapter 14220 in base cable power kit 15966 adapter only Base PS512M PS512M null modem connectors Remote Datalogger If 12V on pin 8 CS I O Port If no 12V on pin 8 Fi...

Страница 23: ...SI Item Number Description 14310 0 dBd ANTENNA 900 MHZ OMNI WAVE WHIP RPSMA STRAIGHT LINX 3 2 inches long 14204 0 dBd ANTENNA 900 MHZ OMNI WAVE WHIP RPSMA RT ANGLE ASTRON 6 75 inches long 14221 3 dBd...

Страница 24: ...the standards in Part 15 are not based solely on output power but also take into account the antenna characteristics Thus a low power transmitter that complies with the technical standards in Part 15...

Страница 25: ...ries Spread Spectrum Data Radio Modems 17 ITEM 14204 900 MHZ OMNI WAVE WHIP 0 dBd ITEM 14201 900 MHZ YAGI 9 dBd w MOUNTS ITEM 14205 900 MHz YAGI 6 dBd w MOUNTS ITEM 14221 900 MHZ OMNI COLLINEAR 3 dBd...

Страница 26: ...d Spectrum Data Radio Modems 18 ITEM 15970 900 MHZ Indoor OMNI 1 dBd Window Wall Mounted ITEM 16005 2 4 GHz OMNI HALF WAVE WHIP 0 dBd ITEM 16755 2 4 GHz ENCLOSED YAGI 13 dBd w MOUNTS FIGURE 4 Some FCC...

Страница 27: ...ues Many RF400 series installations are out of doors and therefore susceptible to lightning damage especially via the antenna system Also depending on climate and location electro statically charged w...

Страница 28: ...f COAX RPSMA to connect tail end of surge protector to RF400 Ground wire lead Screw and grommet to secure ground wire and polyphaser to backplate of enclosure The surge protector has female type N con...

Страница 29: ...ommands in the Generic Dial String in PC208W s datalogger Setup Connections screen see example below See Section 4 2 for power supply options 5 3 Example Setups The following procedures explain how to...

Страница 30: ...erface Auto Sense 2 Net Address 0 3 Radio Address 1 Net Radio Address 0h 4 Hopping Sequence 0 5 Standby Mode 4 mA sec Cycle 6 Retry Level 9 Return to Main Menu Enter Choice a Leave Active Interface in...

Страница 31: ...e is a nearby network using the same hopping sequence e Select desired Standby mode 24 mA Always on 4 mA sec Cycle etc according to your power budget All RF400s in the network must be in the same Stan...

Страница 32: ...side the antenna cable s plastic sheath can attenuate your transmitted and received signals significantly The RF energy instead of traveling the length of the cable with little loss is absorbed accord...

Страница 33: ...a quicker connection and requires less typing 1 Point to point not represented a Setup map ComPort_1 CR10X 2 Point to point represented a Setup map ComPort_1 RF400 RF400Remote CR10X 3 The station s M...

Страница 34: ...Point to multipoint 1 Device Map COM1 Generic1 10X3001 10X3005 2 Set Generic Modem baud rate to 9600 in device map 3 Generic Modem Settings a Make DTR Active b Hardware Flow Control c Extra Response T...

Страница 35: ...ommand mode use other character if phone modems in path iv R OK 9200 waits up to 9 2 sec for RF400 OK response v ATDT3001 changes radio address to talk to remote RF400 with network address of 12 and r...

Страница 36: ...ormer problem The battery itself may have discharged too low too many times ruining the battery Lead acid batteries like to be topped off Power supply must be able to sustain at least 9 6 V datalogger...

Страница 37: ...ou can try to get that extra few dBs of signal strength sometimes necessary for a dependable RF link The drop in signal going from Winter no deciduous tree leaves to Spring sometimes requires a little...

Страница 38: ...If this appears likely exit PC208W and copy and paste your backup file over the suspect dnd file to restore proper operation 11 RF400 has wrong Network Address Radio Address Hopping Sequence or Standb...

Страница 39: ...there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turnin...

Страница 40: ...This is a blank page...

Страница 41: ...For example 6 425 MAIN MENU SW Version 6 425 1 Standard Setup a Active Interface i Auto Sense ii RS 232 iii Datalogger Modem Enable iv Datalogger SDC not for Table Based Loggers v Datalogger CSDC only...

Страница 42: ...e before Command Sequence units of 100 msec 1 32767 3 Silence time after Command Sequence units of 100 msec 1 32767 4 AT Command Mode Timeout units of 100 msec 1 32767 iv Radio Diagnostics Number of R...

Страница 43: ...232 Parity 0 None 1 Odd 2 Even 3 RS 232 Character Length 0 8 bits 1 7 bits 4 RS 232 Stop Bits 0 1 1 2 3 Restore Defaults 4 Show All Current and Default Settings 5 Save All Parameters and Exit Setup 6...

Страница 44: ...Appendix B Setup Menu B 4 This is a blank page...

Страница 45: ...d with the RF400 s address only the address bits that correspond to address mask 1 s are used in the comparison Example 1 Incoming Packet s Header Address xxxx xxxx xxxx xxxx RF400 s Network Address M...

Страница 46: ...se s address mask to 3fh 0h so it will receive any packet that has the same Network Address and hopping sequence regardless of Radio Address Combined Network Radio Addresses If programming PC208W for...

Страница 47: ...al 0 29 001D 0 30 001E 0 31 001F 0 32 0020 0 1022 03FE 0 1023 03FF 1 0 0400 1 1 0401 2 0 0800 2 1 0801 3 0 0C00 3 1 0C01 4 0 1000 4 1 1001 5 0 1400 5 1 1401 6 0 1800 6 1 1801 7 0 1C00 7 1 1C01 8 0 200...

Страница 48: ...Appendix C RF400 Series Address and Address Mask C 4 NET ADDRESS decimal RADIO ADDRESS decimal COMBINED 16 BIT ADDRESS hexadecimal 15 0 3C00 15 1 3C01 16 0 4000 16 1 4001...

Страница 49: ...c 2 sec 6 0 6 mA 4 sec 4 sec 7 4 0 4 mA 8 sec 8 sec Shaded modes 1 2 not available 1 Standard Setup menu selection 1 2 Standard Setup menu selection 2 3 Standard Setup menu selection 3 4 Standard Setu...

Страница 50: ...ACTIVITY TO LONG HEADER Set time before Long Header occurs The time of inactivity on the wireless modem s receive pin before a long header is issued The valid number range is from 0 to 65535 65535 sel...

Страница 51: ...ver run The RF400 can transmit RF packets slightly in excess of 9600 baud When RF packets are received by the RF400 that data is immediately sent to the active interface port without flow control no R...

Страница 52: ...ta receive line 5 Modem Enable I Raised when datalogger determines that associated modem raised the ring line 6 Synchronous Device Enable I Used by datalogger to address synchronous devices can be use...

Страница 53: ...s cable is available as CSI Item 14392 A 12 Volt Field Power Cable Item 14291 or AC adapter Item 15966 must be installed to furnish 12 V to the DC Pwr connector on the RF400 The RF400 can operate with...

Страница 54: ...This is a blank page...

Страница 55: ...12V SW 12V CTRL Logan Utah G 12V G 12V POWER IN CR10X WIRING PANEL MADE IN USA WIRING PANEL NO EARTH GROUND CS I O apx TECHNOLOGIES INC CLASS 2 TRANSFORMER MODEL NO AP2105W INPUT 120VAC 60Hz 20W LISTE...

Страница 56: ...Parameters menu to mode 0 which will maintain the radio s RS 232 port always active This results in an additional constant 2 mA current drain by the RF400 If you don t do this the base RF400 s RS 232...

Страница 57: ...an limit range to as little as 800 feet Where possible avoid buildings and other man made structures in the signal path as they absorb or reflect some of the direct wave possibly below the level neede...

Страница 58: ...e are gains transmitter power antenna gains and receiver sensitivity gain and losses cable loss and path loss If the gains exceed the losses you have a connection any excess is the link margin Parenth...

Страница 59: ...tt The formula is dBm 10 log Pt with Pt expressed in milliWatts Transmitter Power Pt milliWatts dBm 1 0 10 10 50 RF415 17 100 RF400 or RF410 20 1000 30 5000 37 Cable Loss Cable loss is a function of c...

Страница 60: ...established Any excess signal strength above the receiver sensitivity is link margin and is a very good thing a minimum of 6 dB of link margin should be sought Path Loss We have combined in this sect...

Страница 61: ...These are caused by the RF signal being reflected from the ground or water and undergoing a phase shift so that it destructively interferes with the line of sight signal The conditions that cause thi...

Страница 62: ...TABLE H 2 Path Type vs Path Characteristics Selector Path Type Path Characteristics 2nd power Mountaintop to mountaintop or Tall antenna towers Line of sight 3rd power Dominantly line of sight Low an...

Страница 63: ...x 11 1 dB 100 ft 55 dB Gr 9 dBd 11 15 dBi Need to include the loss from the surge arrestor VSWR of 1 1 75 34 dB loss Use 107 dBm for Pr solve for Lp Lp 143 dB Use the 3rd to 4th power tables Range fro...

Страница 64: ...Appendix H Distance vs Antenna Gain Terrain and Other Factors H 8 This is a blank page...

Страница 65: ...nel e Two SC12 cables one included with RF400 and one with COM210 2 POINT TO POINT COMMUNICATIONS PC Modem COM210 PS512M RF400 RF400 DL null modem LoggerNet SETUP a Setup ComPort_1 PhoneBase PhoneRemo...

Страница 66: ...id interference see Section 5 3 1 for method to detect neighboring network 3 POINT TO MULTIPOINT COMMUNICATIONS PC Modem COM210 PS512M RF400 RF400 DL1 null modem RF400 DL2 LoggerNet SETUP a Setup ComP...

Страница 67: ...imal representation of the combined Network Address Radio Address chosen for this example i e Network Address 0 Radio address 1 The RF400 Setup Menu calculates and displays this number for you in Stan...

Страница 68: ...cables to the COM210 and the base RF400 CS I O port Connect the site phone line to COM210 Connect power to PS512M Connect antenna to RF400 When you turn on the PS512M supply the RF400 receives 12V pow...

Страница 69: ...lTM or ProcommTM for RF400 setup if neighboring RF400s Spare PC COM port COMx RF400 SETUP 1 Plug AC adapter into 120VAC outlet plug barrel connector into base RF400 and wait 10 seconds for RF400 to in...

Страница 70: ...e at default 2 f Retry Level if RF noise is a problem try Low or a higher level to see if response improves 6 Repeat steps 1 5 with remote RF400 Temporarily use 6 ft cable and AC adapter during the re...

Страница 71: ...er Cable b Connect 9 pin male to 9 pin male null modem cable from CSAT3 RS 232 connector to RF400 s RS 232 connector c You are ready to start taking measurements TROUBLESHOOTING 1 If your readings app...

Страница 72: ...Appendix J Monitor CSAT3 via RF400 Series J 2 This is a blank page...

Страница 73: ...RF400 RF410 loop back test system Recommendations are given as to where to place the system to avoid rf reflections see TESTING Wave Antenna footnote 2 in this appendix The basic parts of the system a...

Страница 74: ...umper or flat bladed screwdriver Take care to connect only pins 2 and 3 End view of male SC12 Connector 4 Press any alpha numeric keys on PC keyboard Make sure that Properties Settings ASCII Setup Ech...

Страница 75: ...ontrol none d Emulation TTY e ASCII f Desired COM port Make sure that Properties Settings ASCII Setup Echo characters locally or the equivalent ProcommTM setting is NOT enabled 4 Press Program button...

Страница 76: ...ply the 75 mA peak current needed when the RF400 RF410 is transmitting in order to obtain valid test results For safety people should maintain 20 cm 8 inches distance from antenna while RF400 RF410 is...

Страница 77: ...e idea is to avoid significant reflected signals because they can add to or subtract from the direct wave signal making test results vary a lot according to exact location A fully absorbent rf environ...

Страница 78: ...ntenna Test Distances Antenna Gain Over Wave Power Ratio vs Wave Distance Apart Ratio Power ft 5 9 dBd 11 2 dB 13 18 18 ft 6 dBd 8 2 dB 6 61 13 ft 3 dBd 5 2 dB 3 31 9 ft 2 2 dBd 0 dB 1 0 5 ft This ass...

Страница 79: ...E OF INACTIVITY TO SLEEP sec LONG HEADER LENGTH L 01 24 mA 32 4 mA 5 0 ms 700 ms 43 2 mA 5 1200 ms 5 1 mA 5 2200 ms 6 0 6 mA 5 4200 ms 74 0 4 mA 5 8200 ms 1 Standard Setup menu selection 1 2 Standard...

Страница 80: ...ceive current of data request receptions Ir 4 The average receive current from time of inactivity to sleep Ii The remote RF400 RF410 s total average current It can be calculated over an interval T as...

Страница 81: ...g the average current drain contribution of the RF400 RF410 From the above section It Is Id Ir Ii Calculating each term Is table mA value 4 mA It 6 1 mA The dominant average current drain contributors...

Страница 82: ...It Is Ih Iq Ir Ii Calculating each term Is table mA value 4 mA It 6 9 mA As in Example 1 the standby mode current long header and the time of inactivity to sleep currents dominate the average RF400 RF...

Страница 83: ...de current Advanced Setup Menu selection 7 The same amount and frequency of data are collected as in Example 1 It Is Ih Iq Ir Ii Calculating each term Is table mA value 0 4 mA It 12 4 mA ms 8200 lengt...

Страница 84: ...de current Advanced Setup Menu selection 7 The same amount and frequency of data are collected as in Example 1 It Is Id Ir Ii Calculating each term Is table mA value 0 4 mA It 2 4 mA In this example t...

Страница 85: ...ata 10 data points are collected as in Example 1 however the frequency of collection is changed from once a minute to once an hour It Is Ih Iq Ir Ii Calculating each term Is table mA value 4 mA It 4 1...

Страница 86: ...The same amount of data are collected as in Example 1 however the frequency of collection is changed from once a minute to once an hour It Is Ih Iq Ir Ii Calculating each term Is table mA value 0 4 m...

Страница 87: ...00 RF410 must generate a longer long header which involves more transmit time at 73 mA However the remote site will normally benefit from a lower standby mode current since it does not usually transmi...

Страница 88: ...Appendix L RF400 RF410 Average Current Drain Calculations L 10 This is a blank page...

Страница 89: ...This is a blank page...

Страница 90: ...campbellsci com br suporte campbellsci com br Campbell Scientific Canada Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientifi...

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