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Murata HN-210D, User Manual

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Murata HN-210D User Manual Download Page 55

Troubleshooting 

Overview 

Introduction 

Troubleshooting the HopNet products is not difficult, but it does require a 
logical approach. It is best to begin troubleshooting at the base station 
because the rest of the system synchronizes to it. If the base station has 
problems, the entire network will be compromised.  

Transceiver Requirements 

For proper operation, all transceivers in the network must meet these basic 
requirements: 
Adequate and stable power 
Secure connections (Power, RF, and Data) 
Proper programming especially Hop Duration and Network Number 

Copyright © Murata Manufacturing Co., Ltd. All Rights Reserved.  2012 

HN-210D/X, HN-214D/X Rev. 2.0 01/13/17

 

55 of 64

 

www.murata.com

Summary of Contents for HN-210D

Page 1: ...issue 2 01 16 2015 R Willett Reformatted to comply with new Murata V I HN 210D X HN 214D X RS 232 Serial Modbus Radio User Guide www murata com 3 01 13 2017 R Willett Updated Copyright Copyright Mura...

Page 2: ...End users of these systems must also be informed that RF exposure limits may be exceeded if personnel come closer than 2 m to the apertures of any of these antennas Notice to users installers using th...

Page 3: ...60950 Canadian Department of Communications Industry Canada IC Notice Canadian Department of Communications Industry Canada IC Notice This apparatus complies with Health Canada s Safety Code 6 IC RSS...

Page 4: ...ved conduit for the hazardous location The cable must be in the conduit until out of the Hazardous Location and the conduit must be gas tight so no gases can flow through conduit 3 Do NOT remove the p...

Page 5: ...ion 10 Aiming the Antenna and Placing the Remote 10 Interconnect Cable 10 Configuring the Network 11 HopNet Configuration Wizard 5 0 or later 11 About the INIT INI File 12 Parameters Tab 13 Network Ta...

Page 6: ...rk 51 Guidelines for Selecting Your Site 51 Guidelines for Avoiding Terrain Obstructions 52 Customer Support 53 Introduction 53 Technical Assistance 53 Factory Repairs 53 Technical Specifications 54 E...

Page 7: ...a of the HopNet D case greatly eases outdoor installation since no antenna feedline cable or adapters are needed The 6 dBi antenna gain increases the radiated EIRP to 24 dBm and the effective receiver...

Page 8: ...a Integrity An on board 3 KB buffer and error correcting over the air protocol ensure data integrity even in the presence of weak signals or jammers The serial interface handles both data and control...

Page 9: ...tes Full Duplex operation Store setup configuration in nonvolatile memory FLASH Fast acquisition less than 2 seconds is the typical time to acquire hopping pattern Smart power management features The...

Page 10: ...nfiguring the Network section of this manual for details on these steps Install the HopNet Configuration Wizard on a PC The HopNet Configuration Wizard is located on the software and documentation CD...

Page 11: ...is disconnected from the computer If the HopNet radio is disconnected from the computer it is necessary to click on the Restart button on the HN Wizard screen This will reload the settings from the ra...

Page 12: ...r is the serial number of the radio inside the unit and is different from the serial number of the HopNet unit Both the HopNet unit serial number and the radio serial number are on the radio unit of t...

Page 13: ...e message This is a test message from the Base radio to the remote HopNet radio This message will be displayed in the message window of the Wizard running on the remote PC The remote HopNet radio will...

Page 14: ...llows communication with a PC using the straight through serial cable provided with the HopNet radio The switch must be in the CONFIG position to run the HN Wizard RUN Mode When the RUN CONFIG switch...

Page 15: ...nd Chassis Ground 6 DSR Output Data Set Ready Response to DTR 7 RTS Input Request to Send Gates the flow of receive data from the radio to the user on or off In normal operation signal should be asser...

Page 16: ...not place anything immediately in front of the antenna that could obstruct its radiation pattern Because the antenna in the HopNet Remote is inside the unit the antenna must have a clear line of sight...

Page 17: ...e wait screen is displayed Once the radio has been found and the Baudrate determined the Finished screen is displayed Click on the Continue button to enter the Wizard NOTE The HopNet configuration Wiz...

Page 18: ...s unpacked with the program is the INIT INI file It contains the entries below and an explanation has been included on how each parameter may be used ErrorLevel 0 Leave this value as is Only change it...

Page 19: ...ettings stored when the Wizard was first opened but will not load them in the radio until the Apply Settings is clicked When the Apply Settings button is clicked all the changed values will be loaded...

Page 20: ...o long Refer to the section Modbus Operation for details on this mode Network Number This parameter is also known as Set Hopping and is the same command as wn Refer to Configuration Commands section f...

Page 21: ...is the same as wg and allows remote radios to Roam or only link to specific base stations Protocol Mode This parameter is the same as sp and enables the base station to operate in a multipoint networ...

Page 22: ...o s HN Wizard main screen The base radio s Transmit Data window above right will display the message This is a test message from the Remote radio which will repeat until the Stop button is pressed on...

Page 23: ...ion with the minimum data length parameter sets the amount of time from the receipt of a first byte of data from the host until the radio will transmit in transparent mode Default is 00H which causes...

Page 24: ...than this number of bytes This parameter can be used to keep short intermittent transmissions contiguous In packet modes the length parameter in the data packet will override this value This value is...

Page 25: ...ogrammed into the remotes which use it as a starting value when scanning for the base The speed at which the radio hops affects both latency and throughput The faster the radio hops the shorter the la...

Page 26: ...nfiguration screen above On the next page are descriptions of the commands parameters that are available for modification Copyright Murata Manufacturing Co Ltd All Rights Reserved 2012 HN 210D X HN 21...

Page 27: ...dio operates in For 2 4GHz radios selecting one of the 802 11b bands in which to operate the HopNet radio can be used in locations with 802 11b networks without causing interference with those network...

Page 28: ...d with its base radio for the functions on this screen to work Range Optimization HopNet 2410 based radios only This command automatically applies an adjustment factor to the over the air timing of re...

Page 29: ...r showing the progress of Range Optimization Once the process has completed the Range Optimization radio button will clear and the Done radio button will fill in indicating that adjustment factor has...

Page 30: ...l percentage above 90 These functions operate with the Automatic Retransmit Request ARQ disabled and as such provide an indication of link quality but do not provide an indication of how often data wi...

Page 31: ...hese two points will display yellow These points can be modified by editing the INIT INI file Under normal operation the received signal strength for each channel will fluctuate occasionally dropping...

Page 32: ...ually NOTE In order to display the banner you will need to press the F1 key twice toggling the DTR which resets the radio and causes a new banner to display WinCOM de asserts and re asserts the DTR li...

Page 33: ...data mode data that is sent to it from the PC is transmitted over the wireless connection When the WinCOM window is active keys typed on the keyboard will be sent to the radio and will be transmitted...

Page 34: ...r details on all the configurable parameters When the radio is linked to another radio a communications test can be run by clicking on the Transmit button or pressing the F6 key Whatever ASCII string...

Page 35: ...tatus line Useful when WinCOM is used to change the interface data rate WinCOM can communicate at new data rate without having to exit and re enter WinCOM PgDn Sets data rate of PC serial port to next...

Page 36: ...mpted for a filename to load Loading the file will load the parameters into the Wizard program but will not program the settings into the HopNet radio until the Apply Settings button is clicked About...

Page 37: ...it allows the sending of count input data and finally it allows the sending of files that contain configuration data The DNP3 protocol allows a client to issue control commands For example to close o...

Page 38: ...rs the frame is considered incomplete and is discarded by the receiving device Even though this is a Modbus specification not all Modbus devices strictly adhere to these timing requirements When sendi...

Page 39: ...data was successfully received improving data reliability and throughput If a remote Modbus device is added or removed from the wireless network the base radio will learn and remember that information...

Page 40: ...on the Protocol tab or through the WinCom tab using the wp0 command When used in France this product must be set to operate in the France frequency band This can be set using the Wizard on the Protoco...

Page 41: ...rtical slashes separate selections For example given the string wn 0 3f some legal commands are wn wn0 wn3 and wna Most commands which set a parameter also have a option which causes the modem to resp...

Page 42: ...ure use 09 mode 01 during transmit transparent receive 0C mode 04 during transmit transparent receive 0D 10 reserved for future use 11 transparent transmit mode 01 during receive 12 transparent transm...

Page 43: ...te in transparent mode even though the base station is operating in one of the nontransparent modes When using a protocol mode make sure to count in packet overhead when calculating network performanc...

Page 44: ...ansmit Power 0 10mW EU setting 1 100mW default wr Read Receive Signal Strength remote only wu 0 1 Set Point to Point Direct Mode 0 Multipoint mode default 1 Point to point direct mode dx 0 FF remote o...

Page 45: ...SI This command reports the relative signal strength averaged over the last 10 hops This command returns a one byte value that is proportional to received signal strength and can range from 00H to FFH...

Page 46: ...nts various values of dx and the associated optimal and max ranges dx setting range min Optimal max 00H 0mi 0km 0 1mi 0 2km 0 8mi 1 3km 01H 0mi 0km 0 2mi 0 3km 0 9mi 1 5km 04H 0mi 0km 0 5mi 0 8km 1 2...

Page 47: ...els 1 4 14 ph 00 fe base only Set Hop Duration 90H default 10ms pk 00 d0 Set Minimum Data Length 01 default pl Get Maximum Data Length D4H default 212 bytes pn 01 3e base only Set Maximum Number of Re...

Page 48: ...needs to be set in the base which broadcasts the parameter to all remotes However link time can be reduced if this value is also programmed into the remotes which use it as a starting value when scan...

Page 49: ...f data that needs to be sent together setting this parameter will provide time for the group of data to be sent by the host before the radio transmits If the length of data to be sent together is long...

Page 50: ...mission Status Commands These commands deal with general interface aspects of the operation of the HopNet Command Description zb 0 1 Banner Display Disable 0 disabled 1 enabled default zc 0 1 2 Set Es...

Page 51: ...nique factory set serial number which are also visible in the startup banner Set Duty Cycle Allows reduced power consumption by having a remote wake up only every 2N hops to receive and transmit Power...

Page 52: ...f you wish the factory default settings to be remembered the next time you cycle power or reset the radio Recall Memory Useful for restoring the power on settings after experimenting with temporary ch...

Page 53: ...7 bit data 2 stop bits 6 No parity 7 data bits 1 stop bit 7 Even Parity 7 data bits 1 stop bit 8 Odd Parity 7 data bits 1 stop bit qw 0 1 2 Adapter Wiring Mode 0 Normal full wire mode 1 Three wire mo...

Page 54: ...mit pt 00 ff Set Data Transmit Delay remote only pv 0 1 Set Slot Assignment Mode base only pw 00 34 Set Base Slot Size base only px 0 1 Set ARQ Mode Status Commands zb 0 1 Banner Display Disable zc 0...

Page 55: ...If the base station has problems the entire network will be compromised Transceiver Requirements For proper operation all transceivers in the network must meet these basic requirements Adequate and s...

Page 56: ...power 3 If remote unit is in synchronization but performance is poor it may indicate antenna problems Check for properly aligned antenna headings 4 Verify proper system parameter values Interference i...

Page 57: ...each other with very minor interface as long as they are assigned a unique network address Each network address has a different hop pattern If interference is suspected from a similar operating system...

Page 58: ...look for the acknowledgement from the receiving radio This function will automatically detect the best setting for this parameter and save it in the radio The value is only required in the remote radi...

Page 59: ...available for assistance Phone 678 684 2000 Fax 678 684 2001 Factory Repairs If return of equipment is necessary you will be issued a Return Material Authorization number RMA The RMA will help expedit...

Page 60: ...than 3 5 miles up to 20 miles with HN 21xDX and appropriate antennas Frequency Band 2401 2475 MHz USA 2448 2478 MHz France 2448 2473 MHz Spain 2473 2495 MHz Japan 2452 2478 MHz Canada Approvals US FC...

Page 61: ...luding cable 794 g Data Connector DB 9 Female Interconnect Cable Connector RJ 45 Environmental Specification Value Temperature Range 30 to 70 degrees C Humidity 95 at 40 degrees C Non condensing Copyr...

Page 62: ...to express either loss or gain dBi Decibels referenced to an ideal isotropic radiator in free space Used to express antenna gain dBm Decibels referenced to 1 milliwatt An absolute unit used to measur...

Page 63: ...communications system and facilitates the orderly transfer of information RMA Return Material Authorization RTU Remote Terminal Unit A device used in data collection TDMA Time Division Multi Access A...

Page 64: ...t against Seller more than twelve 12 months after the related cause of action has occurred Buyer has not relied and shall not rely on any oral representation regarding the goods sold hereunder and any...

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