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LRS400S Data Transceiver Users Manual 

LUM0025AA Rev A 

Version 1.0 

33 

Channel 

# Frequency 

 

 

Channel 

# Frequency

 

Channel 

# Frequency 

 

 

Channel 

# Frequency

3960 

414.7500  

  4420 

417.6250   4880 

420.5000  

  5340 

423.3750 

3970 

414.8125  

  4430 

417.6875   4890 

420.5625  

  5350 

423.4375 

3980 

414.8750  

  4440 

417.7500   4900 

420.6250  

  5360 

423.5000 

3990 

414.9375  

  4450 

417.8125   4910 

420.6875  

  5370 

423.5625 

4000 

415.0000  

  4460 

417.8750   4920 

420.7500  

  5380 

423.6250 

4010 

415.0625  

  4470 

417.9375   4930 

420.8125  

  5390 

423.6875 

4020 

415.1250  

  4480 

418.0000   4940 

420.8750  

  5400 

423.7500 

4030 

415.1875  

  4490 

418.0625   4950 

420.9375  

  5410 

423.8125 

4040 

415.2500  

  4500 

418.1250   4960 

421.0000  

  5420 

423.8750 

4050 

415.3125  

  4510 

418.1875   4970 

421.0625  

  5430 

423.9375 

4060 

415.3750  

  4520 

418.2500   4980 

421.1250  

  5440 

424.0000 

4070 

415.4375  

  4530 

418.3125   4990 

421.1875  

  5450 

424.0625 

4080 

415.5000  

  4540 

418.3750   5000 

421.2500  

  5460 

424.1250 

4090 

415.5625  

  4550 

418.4375   5010 

421.3125  

  5470 

424.1875 

4100 

415.6250  

  4560 

418.5000   5020 

421.3750  

  5480 

424.2500 

4110 

415.6875  

  4570 

418.5625   5030 

421.4375  

  5490 

424.3125 

4120 

415.7500  

  4580 

418.6250   5040 

421.5000  

  5500 

424.3750 

4130 

415.8125  

  4590 

418.6875   5050 

421.5625  

  5510 

424.4375 

4140 

415.8750  

  4600 

418.7500   5060 

421.6250  

  5520 

424.5000 

4150 

415.9375  

  4610 

418.8125   5070 

421.6875  

  5530 

424.5625 

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 

416.4375  

  4690 

419.3125   5150 

422.1875  

  5610 

425.0625 

4240 

416.5000  

  4700 

419.3750   5160 

422.2500  

  5620 

425.1250 

4250 

416.5625  

  4710 

419.4375   5170 

422.3125  

  5630 

425.1875 

4260 

416.6250  

  4720 

419.5000   5180 

422.3750  

  5640 

425.2500 

4270 

416.6875  

  4730 

419.5625   5190 

422.4375  

  5650 

425.3125 

4280 

416.7500  

  4740 

419.6250   5200 

422.5000  

  5660 

425.3750 

4290 

416.8125  

  4750 

419.6875   5210 

422.5625  

  5670 

425.4375 

4300 

416.8750  

  4760 

419.7500   5220 

422.6250  

  5680 

425.5000 

4310 

416.9375  

  4770 

419.8125   5230 

422.6875  

  5690 

425.5625 

4320 

417.0000  

  4780 

419.8750   5240 

422.7500  

  5700 

425.6250 

4330 

417.0625  

  4790 

419.9375   5250 

422.8125  

  5710 

425.6875 

4340 

417.1250  

  4800 

420.0000   5260 

422.8750  

  5720 

425.7500 

4350 

417.1875  

  4810 

420.0625   5270 

422.9375  

  5730 

425.8125 

4360 

417.2500  

  4820 

420.1250   5280 

423.0000  

  5740 

425.8750 

4370 

417.3125  

  4830 

420.1875   5290 

423.0625  

  5750 

425.9375 

4380 

417.3750  

  4840 

420.2500   5300 

423.1250  

  5760 

426.0000 

4390 

417.4375  

  4850 

420.3125   5310 

423.1875  

  5770 

426.0625 

4400 

417.5000  

  4860 

420.3750   5320 

423.2500  

  5780 

426.1250 

4410 

417.5625  

  4870 

420.4375   5330 

423.3125  

  5790 

426.1875 

 

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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