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LRS400S Data Transceiver Users Manual 

LUM0025AA Rev A 

Version 1.0 

32 

Frequency List 

The LRS400S transceivers tune from 406.1MHz to 430MHz with a tuning resolution of 6.25KHz. This 
gives a total of 3840 available channels. Using the license allowed frequency, the channel number can be 
determined using the following formula.

 

 

Channel number = (F

MHz

 - 390) / .00625 

Note: This is an example list. If the required frequency is not listed use the F

MHz 

formula to obtain the appropriate channel number.

 

 

 

Channel 

# Frequency 

 

 

Channel 

# Frequency

 

Channel 

# Frequency 

 

 

Channel 

# Frequency

2576 

406.1000  

  2910 

408.1875   3260 

410.3750  

  3610 

412.5625 

2578 

406.1125  

  2920 

408.2500   3270 

410.4375  

  3620 

412.6250 

2580 

406.1250  

  2930 

408.3125   3280 

410.5000  

  3630 

412.6875 

2590 

406.1875  

  2940 

408.3750   3290 

410.5625  

  3640 

412.7500 

2600 

406.2500  

  2950 

408.4375   3300 

410.6250  

  3650 

412.8125 

2610 

406.3125  

  2960 

408.5000   3310 

410.6875  

  3660 

412.8750 

2620 

406.3750  

  2970 

408.5625   3320 

410.7500  

  3670 

412.9375 

2630 

406.4375  

  2980 

408.6250   3330 

410.8125  

  3680 

413.0000 

2640 

406.5000  

  2990 

408.6875   3340 

410.8750  

  3690 

413.0625 

2650 

406.5625  

  3000 

408.7500   3350 

410.9375  

  3700 

413.1250 

2660 

406.6250  

  3010 

408.8125   3360 

411.0000  

  3710 

413.1875 

2670 

406.6875  

  3020 

408.8750   3370 

411.0625  

  3720 

413.2500 

2680 

406.7500  

  3030 

408.9375   3380 

411.1250  

  3730 

413.3125 

2690 

406.8125  

  3040 

409.0000   3390 

411.1875  

  3740 

413.3750 

2700 

406.8750  

  3050 

409.0625   3400 

411.2500  

  3750 

413.4375 

2710 

406.9375  

  3060 

409.1250   3410 

411.3125  

  3760 

413.5000 

2720 

407.0000  

  3070 

409.1875   3420 

411.3750  

  3770 

413.5625 

2730 

407.0625  

  3080 

409.2500   3430 

411.4375  

  3780 

413.6250 

2740 

407.1250  

  3090 

409.3125   3440 

411.5000  

  3790 

413.6875 

2750 

407.1875  

  3100 

409.3750   3450 

411.5625  

  3800 

413.7500 

2760 

407.2500  

  3110 

409.4375   3460 

411.6250  

  3810 

413.8125 

2770 

407.3125  

  3120 

409.5000   3470 

411.6875  

  3820 

413.8750 

2780 

407.3750  

  3130 

409.5625   3480 

411.7500  

  3830 

413.9375 

2790 

407.4375  

  3140 

409.6250   3490 

411.8125  

  3840 

414.0000 

2800 

407.5000  

  3150 

409.6875   3500 

411.8750  

  3850 

414.0625 

2810 

407.5625  

  3160 

409.7500   3510 

411.9375  

  3860 

414.1250 

2820 

407.6250  

  3170 

409.8125   3520 

412.0000  

  3870 

414.1875 

2830 

407.6875  

  3180 

409.8750   3530 

412.0625  

  3880 

414.2500 

2840 

407.7500  

  3190 

409.9375   3540 

412.1250  

  3890 

414.3125 

2850 

407.8125  

  3200 

410.0000   3550 

412.1875  

  3900 

414.3750 

2860 

407.8750  

  3210 

410.0625   3560 

412.2500  

  3910 

414.4375 

2870 

407.9375  

  3220 

410.1250   3570 

412.3125  

  3920 

414.5000 

2880 

408.0000  

  3230 

410.1875   3580 

412.3750  

  3930 

414.5625 

2890 

408.0625  

  3240 

410.2500   3590 

412.4375  

  3940 

414.6250 

2900 

408.1250  

  3250 

410.3125   3600 

412.5000  

  3950 

414.6875 

Содержание LRS400S

Страница 1: ...sceiver Manual LUM0025AA Rev A Version 1 0 i FreeWave Technologies LRS400S Data Transceiver Version 1 0 FreeWave Technologies Inc 1880 South Flatiron Court Boulder CO 80301 303 444 9200 303 786 9948 Fax www FreeWave com ...

Страница 2: ...cal or electromagnetic stress 2 If Product is used outside of FreeWave specifications 3 If Product has been modified repaired or altered by Customer unless FreeWave specifically authorized such alterations in each instance in writing This includes the addition of conformal coating Special Rate Replacement Option A special rate replacement option is offered to non warranty returns or upgrades The o...

Страница 3: ...0025AA Rev A Version 1 0 iii CAUTION The LRS400S series transceiver have maximum transmitted output power of 2W It is recommended that the transmit antenna be kept at least 71 cm away from nearby persons to satisfy FCC RF exposure requirements ...

Страница 4: ... 2 Max Packet Size and Min Packet Size 17 3 Xmit Rate 18 4 RF Data Rate 18 5 RF Xmit Power 18 6 Slave Security 19 7 RTS to CTS 19 8 Retry Time Out 19 9 Lowpower Mode 20 C Remote LED 21 MULTIPOINT PARAMETERS 22 EDIT MULTIPOINT PARAMETERS 22 0 Repeaters 22 1 Master Packet Repeat 22 2 Max Slave Retry 23 3 Retry Odds 23 4 DTR Connect 23 6 Network ID 23 8 MultiMaster Sync 23 9 1 PPS Enable Delay 23 A S...

Страница 5: ...LRS400S Data Transceiver Users Manual LUM0025AA Rev A Version 1 0 v RS 485 Half Duplex Pin Outs 30 RS232 PIN ASSIGNMENTS 30 RF BOARD PINOUT 31 FREEWAVE TECHNICAL SUPPORT 31 ...

Страница 6: ...e key to the overall robustness of the radio link is the height of the antenna In general FreeWave units with a higher antenna placement will have a better communication link In practice the transceiver should be placed away from computers telephones answering machines and other similar equipment The RS232 cable included with the transceiver usually provides ample distance for placement away from ...

Страница 7: ...ve are acknowledged or retransmitted until they are acknowledged Therefore the return link in a MultiPoint network is generally very robust Note In licensed band operation it is suggested to set the repeated master packets at 0 due to the spectrum being quiet This will maximize throughput and leverage the advantages of licensed band operation Traditionally a MultiPoint network is used in applicati...

Страница 8: ...te of the device that the radio is to be attached to Press Esc to get back to Main menu 6 At the Main Menu press 3 Set FreqKey Max Packet Size Min Packet Size RF Data rate identical on all radios in the network Note Changing these values may help to eliminate interference from other FreeWave networks Press Esc to get back to Main menu 7 At the Main Menu press 5 Set the Network ID value to any valu...

Страница 9: ...of the instrument to which it is attached Please note when setting the transceiver s baud rate its RS232 data rate is set The baud rate does not have to be on the same setting for the two transceivers 5 Edit the Call Book Enter the Slave serial number in the Master s Call Book Enter the Master s Serial number in the Slave s Call Book or disable Slave Security in the Slave 6 Shortly after both tran...

Страница 10: ...o transmission characteristics regardless of the settings in the Slave The settings not determined by the Master are RF Xmit Power Slave Security Retry Time Out and the Hop Table settings A quick method of identifying a Master is to power the transceiver Prior to establishing a communication link with a Slave all three of the Master s LEDs will be solid red Point to Point Slave 1 This mode designa...

Страница 11: ...witchable 6 Mode 6 allows the transceiver to be controlled entirely through software commands A number of key parameters in FreeWave s user interface may be changed either directly with a program such as Windows Terminal or through the use of script files Additionally when the Point to Point Slave Master Switchable option is selected and the transceiver is not calling a Slave it will function as a...

Страница 12: ...he baud rate for the other transceiver s in the network For example a pair of transceivers may be used in an application to send data from remote process instrumentation to an engineer s computer In this application the baud rate for the transceiver on the instrumentation might be set to 9600 and the transceiver on the engineer s computer might be set to 57 600 Set Baud Rate 1 Select the appropria...

Страница 13: ... Packet Repeat must be set the same in all radios whether the network is in Point to Point or MultiPoint mode The Modbus RTU mode must be selected when transceivers are configured in RS485 or RS422 mode Serial Interface In products for which the protocol of the data port is software selectable use this menu to set the protocol of the data port In the TTL RF board product this setting must be 0 Pro...

Страница 14: ... specifies the time after the end of transmission of a character to the RS485 bus that the transceiver stops driving the bus and releases the bus to other devices The units are of a character with a range of 0 9 An entry of 4 means a delay equivalent to the duration of a full character Default is zero delay For data rates of 1200 bits S or slower avoid setting the TurnoffDelay parameter higher tha...

Страница 15: ...ch other Three settings must be made for two FreeWave transceivers to communicate in Point to Point mode 1 The Master s serial number must be listed in the Slave s Call Book or Slave Security is turned off in the Slave 2 The Slave s serial number must be listed in the Master s Call Book 3 The Master must be programmed to call the Slave The Call Book allows users to incorporate up to 10 FreeWave tr...

Страница 16: ...Power Slave Security Retry Time Out and Hop Table Size Hop Table Version and Hop Table Offset Note Above image from LRS455 Configuration will be the same Edit Radio Transmission Characteristics SETTING XMIT AND RCV FREQUENCIES The 400MHz Data Transceiver has the option to operate in a Frequency Division Duplex mode by transmitting on one frequency and receiving on another The LRS400S transceivers ...

Страница 17: ...packet sizes are optimized The following 3 tables provide the information to determine optimum setting values Minimum Packet Size Definition Min Setting Min Packet Size 0 0 1 16 2 32 3 48 4 64 5 80 6 96 7 112 8 128 9 144 Maximum Packet Size 2 level FSK Max Setting Max Packet Size 0 32 1 48 2 64 3 80 4 96 5 112 6 128 7 135 8 135 9 135 Maximum Packet Size 4 level FSK Max Setting Max Packet Size 0 32...

Страница 18: ...ta link is preferred over data throughput Note In MultiPoint networks the RF Data Rate must be set identically in all transceivers Any transceiver with an RF Data Rate different from the Master will not establish a link In Point to Point networks the Master s settings take precedence over the Slave RF Data Rate Setting Occupied Bandwidth Modulation Level 1 50kHz 2 level GFSK 2 25kHz 4 level GFSK 3...

Страница 19: ...transmit a message to the Slave with the new status This transmission will occur regardless of data being sent If data is ready to be sent the RTS status message will be sent in addition to the data In Point to Point mode the Master will continue sending the new status message until it receives an acknowledgment from the Slave In MultiPoint mode the Master will repeat the message the number of tim...

Страница 20: ...number reduces latency and a high number reduces current consumption Setting Description 0 Lowpower disabled 1 LEDs dimmed transceiver remains awake transceiver is listening to the Master s transmissions on every slot and transceiver s data port is shut down if the RTS line is deasserted low In this case the transceiver needs to be awakened before it will be able to send data to the Master 2 LEDs ...

Страница 21: ...ription Notes 0 Board LED s Default Only on board LEDs are enabled 1 Board and Remote LED s Onboard LED s are enabled as well as Remote LED s through the Diagnostic port 2 Remote LED s On board LED s are disabled Remote LED s are enabled through the Diagnostic port Note When using Remote LED s the center TX LED will not turn Green when in Setup mode This line is not pinned out ...

Страница 22: ...e all data transmissions in a large network the Master would soon become overwhelmed with acknowledgments from the Slaves Without acknowledgements 100 confidence every Slave has received every packet cannot be met To address this issue the user may modify the Master Packet Repeat setting assigning a value between 0 the packet is transmitted once to 9 the packet is transmitted 10 times For networks...

Страница 23: ...th the setting of 0 in the Slave the transceiver will transmit when RS232 data is received A setting of 1 will form a Point to Point link with the Master when the DTR line is high With a setting of 2 the transceiver will transmit in bursts This mode is valuable when a network has many low data rate devices and it is desirable to increase overall network capacity Note If DTRConnect is set to 1 and ...

Страница 24: ...ork will not function A SLAVE REPEATER Normally a repeater does not have the ability to provide data on the data port When this capability is necessary Slave Repeater should be set to On When using Slave Repeater the baud rate and communication protocol must match the end device B DIAGNOSTICS This option provides diagnostics data to be viewed at the Master in parallel with application data The dia...

Страница 25: ... manual for more information If both Rcv Subnet ID and Xmit Subnet ID are set to 0 the Subnet ID will show Roaming in the menu This setting will allow a mobile Slave to roam from subnet to subnet and possibly from network to network This drawing depicts a Network in which Subnet IDs are used to force communications In this example Repeater1 must talk directly to the Master Repeater2 must talk dire...

Страница 26: ... from the time the transceiver is powered on until the radio is put into Setup mode Under ideal operating conditions the number of disconnects should be 0 One or more disconnects may indicate a weak link the presence of severe interference problems or loss of power to any of the radios in the link ANTENNA REFLECTED POWER This is a measurement of the transmitted power that is reflected back into th...

Страница 27: ...ls measured at each frequency in the transceiver s frequency hop table The individual measurement values at each frequency hop channel are shown in the frequency table Pressing the Enter key when the Radio Statistics menu is displayed accesses the frequency table For a reliable link the margin should be at least 26 dB Low Average Signal Levels can often be corrected with higher gain antennas and b...

Страница 28: ... 485 0 D Setup Port 3 E TurnOffDelay OnDelay 0 0 F Flow Control 0 Radio Parameters Default 1 MAX PACKET SIZE 9 2 MIN PACKET SIZE 1 3 XMT RATE 1 4 RF DATA RATE 5 5 RF XMT POWER 10 6 SLAVE SECURITY 0 7 RTS TO CTS 0 8 RETRY TIMEOUT 255 9 LOW POWER MODE 0 A High Noise 0 B MCU Speed 0 C Remote LED 0 MultiPoint Parameters Default 1 MASTER PACKET REPEAT 0 2 MAX SLAVE RETRY 9 3 RETRY ODDS 0 4 DTR CONNECT ...

Страница 29: ...ading of the FreeWave transceiver is as described above which allows up to 256 1 8 unit load units on the bus Maximum line length is also 4 000 feet with a third wire required for data common The FreeWave transceiver will check the line to be certain no other device is transmitting before enabling the line driver for data transmission When setting the transceiver to RS 485 enable Modbus and set Ma...

Страница 30: ...sed only in transceivers in Point to Point Slave Master switchable mode or for DTR Connect 5 GND Ground Signal return for all signal lines shared with Pin 9 6 DSR Data Set Ready Output Always high when the radio is powered from the 2 5mm power connector Indicated power is on to the radio Also this pin can be used for 12Volts when powering the transceivers directly through the RS 232 port Note This...

Страница 31: ...evel on this pin will switch the radio into Setup mode Pin Assignment Color on ACS3610xx cable 1 B input Red 2 Interrupt temporarily ground to invoke menu Brown 3 Data Terminal Ready DTR Orange 4 Ground Black 5 Transmit Data TXD Yellow 6 Ground Black 7 Receive Data RXD Green 8 Carrier Detect DCD Blue 9 Request to Send RTS Violet purple 10 Clear to Send CTS Gray Note Pin 1 on the board level transc...

Страница 32: ...3710 413 1875 2670 406 6875 3020 408 8750 3370 411 0625 3720 413 2500 2680 406 7500 3030 408 9375 3380 411 1250 3730 413 3125 2690 406 8125 3040 409 0000 3390 411 1875 3740 413 3750 2700 406 8750 3050 409 0625 3400 411 2500 3750 413 4375 2710 406 9375 3060 409 1250 3410 411 3125 3760 413 5000 2720 407 0000 3070 409 1875 3420 411 3750 3770 413 5625 2730 407 0625 3080 409 2500 3430 411 4375 3780 413...

Страница 33: ...625 4160 416 0000 4620 418 8750 5080 421 7500 5540 424 6250 4170 416 0625 4630 418 9375 5090 421 8125 5550 424 6875 4180 416 1250 4640 419 0000 5100 421 8750 5560 424 7500 4190 416 1875 4650 419 0625 5110 421 9375 5570 424 8125 4200 416 2500 4660 419 1250 5120 422 0000 5580 424 8750 4210 416 3125 4670 419 1875 5130 422 0625 5590 424 9375 4220 416 3750 4680 419 2500 5140 422 1250 5600 425 0000 4230...

Страница 34: ...0 428 5000 6320 429 5000 5850 426 5625 6010 427 5625 6170 428 5625 6330 429 5625 5860 426 6250 6020 427 6250 6180 428 6250 6340 429 6250 5870 426 6875 6030 427 6875 6190 428 6875 6350 429 6875 5880 426 7500 6040 427 7500 6200 428 7500 6360 429 7500 5890 426 8125 6050 427 8125 6210 428 8125 6370 429 8125 5900 426 8750 6060 427 8750 6220 428 8750 6380 429 8750 5910 426 9375 6070 427 9375 6230 428 93...

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