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© Microhard Systems Inc.

Confidential

35

3.0 Configuration

2. Escape from Data Mode



With the P2400 powered up and ‘online’, connect a 9-pin straight-through serial cable
from the PC serial port to the RS-232 DATA port on the dev board.



Launch a terminal program (e.g. HyperTerminal) and configure for the P2400’s estab-
lished serial baud rate parameters (PC & modem must match).



Pause 1 second, type ‘

+++

’ , pause 1 second: the monitor should show the module

response of ‘NO CARRIER OK’



The P2400 is now in command mode, and AT commands can be used to configure or
query the settings.



Entering the AT&V command as shown will show the current configuration as seen
below: (The data displayed varies based on network and unit type.)

3.1.2 Data Mode

Data Mode is the normal operational state of all deployed P2400 modules. In this mode the
module is prepared to exchange data as per its configuration settings. Available LED indica-
tions can provide an indication of the data exchange (TX and RX LEDs).

To enter DATA mode from COMMAND mode, enter the command:

ATA [Enter]

Image 3-2:

Command Mode

Image 3-3:

Command Mode - AT&V Display

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Содержание Pico P2400 series

Страница 1: ...Mode OEM Enclosed Models Document Pico Series P2400 Operating Manual v1 0 0 Date December 2016 Firmware v1 012 Operating Manual 150 Country Hills Landing NW Calgary Alberta Canada T3K 5P3 Phone 403 24...

Страница 2: ...GRANTED NO FUNCTIONAL WARRANTY Indemnification The Purchaser shall indemnify Microhard Systems Inc and its respective directors officers employees successors and assigns including any subsidiaries re...

Страница 3: ...aptation or translation of this manual is prohib ited without prior written permission of Microhard Systems Inc except as allowed under the copyright laws This document contains proprietary informatio...

Страница 4: ...d in the tables must be tested to comply with FCC Section 15 203 unique antenna connectors and Section 15 247 emissions WARNING MAXIMUM EIRP FCC Regulations allow up to 36 dBm equivalent isotropically...

Страница 5: ...er l autorit de l utilisateur utiliser l quipement Ce dispositif a t test avec MCX et connecteurs SMA polarit inverse sur les antennes r pertori es l annexe A Lorsqu il est int gr dans les produits OE...

Страница 6: ...Microhard Systems Inc Confidential 6 Revision History Revision Description Initials Date 1 0 First Release PEH December 2016...

Страница 7: ...23 2 4 3 2 Voltage Characteristics 23 2 4 3 3 Current Characteristics 24 2 4 3 4 IO Port Characteristics 24 2 4 3 5 12 bit ADC Characteristics 26 2 5 P2400 to n2420 Pin outs 28 2 6 P2400 Enclosed 29...

Страница 8: ...er 63 S109 Hop Interval 64 S110 Data Format 64 S111 Packet Min Size 65 S112 Packet Max Size 65 S113 Packet Retransmissions 65 S115 Repeat Interval 65 S116 Character Timeout 66 S118 Roaming 66 S119 Qui...

Страница 9: ...nna System Components 76 5 2 1 Antennas 76 5 2 2 Coaxial Cable 77 5 2 3 Surge Arrestors 77 5 2 4 External Filter 77 Appendices Appendix A AT Command Quick Reference 78 Appendix B Settings S Register Q...

Страница 10: ...l uses for this modem 1 1 Performance Features Key performance features of the Pico Series P2400 include 2 4 GHz ISM1 Band Frequency Hopping Operation up to 1W of output power adjustable transparent l...

Страница 11: ...y See Table 1 1 Link Rate 19 2 to 345 kbps Serial Baud Rate 300 to 230 4 kbps Core Voltage OEM 3 6VDC is required for 1W ENC 7 30 VDC Power Consumption Sleep 1mA Future 3 3VDC Idle 20mA Rx 45mA to 98m...

Страница 12: ...6 1W 113 60 FCC IC 115 2 1W 109 150 FCC IC 172 8 1W 108 180 FCC IC 230 4 1W 106 230 FCC IC 276 4 1W 105 400 FCC IC 345 1W 103 400 FCC IC 19 2 100mW 115 25 FCC IC CE 56 100mW 110 60 FCC IC CE 115 2 100...

Страница 13: ...elopment board can provide a convenient evaluation platform to test and design with the module Contact Microhard Systems for details Any P2400 Series module may be configured as a Master Repeater or R...

Страница 14: ...s millimeters 33 26 5 3 68 2 31 33 3 5 1 Ground plane must be connected to GND for required heat dissi pation 2 Due to manufacturing methods additional PCB material may be present on the corners that...

Страница 15: ...nc Confidential 15 1 27 0 81 1 83 2 0 Hardware Description 2 1 1 Recommended Solder Mask Pad Landing Drawing 2 2 P2400 Recommended Solder Mask Units millimeters Detail B 22 35 30 02 0 99 19 86 28 70 2...

Страница 16: ...awing 2 3 P2400 Recommended Solder Paste Units millimeters Detail C Detail C Detail D Detail D 1 88 2 55 1 27 1 03 0 86 3 50 3 38 4 12 1 00 2 1 3 OEM Connectors Antenna All P2400 OEM Modules use an UF...

Страница 17: ...high temperature device containers b Unused modules should be stored at 10 RH 0 0 60 0 120 0 180 0 240 300 165 217 60 100s 120s TMAX 255o C 2 42 o C s Temperature Zone Time Parameter Preheat zone 40o...

Страница 18: ...Reserved Reserved Reserved Reserved Reserved Pico Series P2400 Top View CANRX CANTX 1 GND DNC DNC DNC DNC DNC USR1 GPS 1PPS USR2 Alarm USR3 I O1 I O2 I O3 I O4 USR AO0 USR AN0 USR AN1 GND USBDP USBDM...

Страница 19: ...urrent limiting resistor 8mA maximum O LED_TX 24 Active high output indicates module is transmitting data over the RF channel Active high cannot drive LED directly Requires current limiting resistor 8...

Страница 20: ...ace RS232 and default baud rate 9600 8 N 1 during power up Pull high or leave floating I Wakeup_usr 47 Currently Not Supported For Future Expansion I Reserved 48 Reserved for future use Reserved 49 Re...

Страница 21: ...dware Description 2 3 Minimum Connection Requirements Drawing 2 5 P2400 Minimum Connection Block Diagram P2400 Antenna 1 17 25 26 39 40 41 65 66 67 78 79 80 GND Pins 62 63 64 UFL VCC VDD 29 Serial TxD...

Страница 22: ...efer to sample tests and represent the mean value plus or minus three times the standard deviation mean 3 2 4 1 2 Typical Values Unless otherwise specified typical data are based on TA 25 C VDD 3 3 V...

Страница 23: ...arameters given in Table 2 5 Operating Conditions Voltage Characteristics are derived from tests performed under the ambient temperature ratings of the Pico Series Symbol Ratings Min Max Unit VCC VDD...

Страница 24: ...VIH Input high level voltage 2 VDD 0 5 VIL Input low level voltage CMOS ports 0 5 0 35 VDD V VIH Input high level voltage 0 65 VDD VDD 0 5 Vhys IO Schmitt trigger voltage hysteresis 1 200 mV Ilkg Inp...

Страница 25: ...t same time TTL port IIO 8mA 0 4 V VOH 2 Output high level voltage for an I O pin when 8 pins are sourced at same time VDD 0 4 VOL 1 Output low level voltage for an I O pin when 8 pins are sunk at sam...

Страница 26: ...voltage 0 5 0 7 V VIH NRST NRST Input high level voltage 2 VDD 0 5 Vhys NRST NRST Schmitt trigger voltage hysteresis mV 200 RPU Weak pull up equivalent resistor VIN VSS 30 50 k 40 VNF NRST Input pulse...

Страница 27: ...Microhard Systems Inc Confidential 27 2 0 Hardware Description ADC Accuracy Characteristics Figure 2 4 ADC Accuracy Characteristics 1LSBIDEAL 3 0 4096...

Страница 28: ...rial DCD 33 46 Data Carrier Detect Active low output Serial RTS 34 34 Request To Send Active low input USR SCK 35 50 Currently Not Supported For Future Expansion Control RxD 37 20 Diagnostics receive...

Страница 29: ...equired but a modem with a small footprint is still required The P2400 Enclosed can also be used to quickly evaluate the features and performance of the P2400 modems The P2400 Enclosed provides quick...

Страница 30: ...0 Hardware Description 2 6 1 P2400 Enclosed Dimensional Drawings Drawing 2 6 P2400 Top View Drawing 2 7 P2400 Enclosed End Views Drawing 2 8 P2400 Enclosed Side View Notes The dimension unit is mm 65...

Страница 31: ...re Description 2 6 2 P2400 Enclosed Mounting Bracket Order Option Drawing 2 6 P2400 ENC Mounting Bracket Front Rear Shown optional TS35 DIN Rail Mount Notes The dimension unit is mm 12 5 12 5 20 1 23...

Страница 32: ...LED Indicators PWR Blue This LED will illuminate when the P2400 Enclosed is connected to a power source 9 30 VDC 485 Blue This LED will illuminate when the P2400 Enclosed Data port is configured as a...

Страница 33: ...on the Enclosed model is for RS232 485 Serial data when in DATA MODE or for configuring the modem when in COMMAND MODE Vin Vin is used to power the unit The input Voltage range is 9 30 Vdc IO 1 IO 2...

Страница 34: ...00 s configuration options registers may be viewed and modified using AT commands Two methods are typically used to place the Pico Series into Command Mode 1 Force to Command Mode Power down off the D...

Страница 35: ...of NO CARRIER OK The P2400 is now in command mode and AT commands can be used to configure or query the settings Entering the AT V command as shown will show the current configuration as seen below Th...

Страница 36: ...AT command as seen below Example ATS133 1 enter Any registers that are changed must be written to flash using the AT W command 3 1 4 Frequency Hopping Channel Spacing FCC requires that FHSS systems ho...

Страница 37: ...y Slaves and Re peaters within such a network however the Master may have its Destination Address S140 changed when required to communicate with a specific Slave 3 2 1 Operating Modes Unit Types In a...

Страница 38: ...ity but throughput is critical a work around is to place two modems at the Repeater site in a back to back configuration One modem would be config ured as a Slave in the upstream network the other a M...

Страница 39: ...justments will be overwritten and a fresh start can be made with known to work settings For many networks the factory default commands may be all that is necessary to configure and deploy a simple Poi...

Страница 40: ...lower link rates usually provide better sensitivity and overall robustness H S133 The network type must be set to 1 for Point to Point operation The content displayed by the AT V command will vary wit...

Страница 41: ...it address of the master and should not be changed F S101 The operating mode defines the unit type and is set to 2 which is a Slave Remote G S103 Wireless Link Rate must be set to the same value of ea...

Страница 42: ...enter into Command Mode load a third modem with F7 PTP Slave factory default settings change the Operating Mode S101 from 2 Slave to 1 Repeater change the Unit Address UA S105 from 2 to 3 save the cha...

Страница 43: ...destination 3 2 4 Network Synchronization Network Synchronization is what allows all units to hop from frequency to frequency at the same time For units to synchronize with the network each unit must...

Страница 44: ...ed to as Repeater Slaves Point to Multipoint is enabled by setting register S133 to 0 ATS133 0 Network Type 3 3 1 Operating Modes Unit Types In a Microhard Point to Multipoint Network three unit types...

Страница 45: ...e throughput is halved only once i e it does not decrease with the addition of more Repeaters If there is a path requirement to provide Repeater functionality but throughput is critical a work around...

Страница 46: ...an be configured to perform the various roles discussed by setting register S101 as follows ATS101 0 Master ATS101 1 Repeater ATS101 2 Slave Remote The next section discussed using Factory Default com...

Страница 47: ...and a fresh start can be made with known to work settings For many networks the factory default commands may be all that is necessary to configure and deploy a simple Point to Multipoint Network Othe...

Страница 48: ...ly provide better sensitivity and overall robustness H S133 The network type must be set to 0 for Point to Multipoint operation The content dis played by the AT V command will vary with the network ty...

Страница 49: ...ess is set to 1 the unit address of the Master and should not be changed F S101 The operating mode defines the unit type and is set to 2 which is a Slave Remote G S103 Wireless Link Rate must be set t...

Страница 50: ...he Master and should not be changed F S101 The operating mode defines the unit type and is set to 1 which is a Repeater G S103 Wireless Link Rate must be set to the same value of each unit in the syst...

Страница 51: ...system as possible S113 5 Packet Retransmissions 0 254 Retransmissions are typically used in noisy environments to combat interference and low sig nal strength ensuring data is received at the intend...

Страница 52: ...e Master must be modified as required S244 Channel Request Mode S251 Master Hop Allocation Timeout For TDMA set S244 1 Must be set on Master and all Slaves The default for S251 is 10 hop intervals If...

Страница 53: ...and then inform the Master of same On the next hop the Master will sequence to the next modem UA 7 Slave 7 will inform the Master it has no data and on the next hop the Master will sequence to UA 10...

Страница 54: ...enter into Command Mode load the F2 factory default settings change the Network Type S133 to 2 change the Destination Address to 3 to be the UA of Slave 2 save the change using the AT W command go on...

Страница 55: ...de load the F1 factory default settings change the Network Type S133 to 2 change Packet Retransmissions S113 from 5 to 0 increase from 0 if required save the change using the AT W command go online wi...

Страница 56: ...ange of the modem under test ATg averages 256 samples ATG 16 000 Invoking the ATg command causes the P2400 to sweep the operating band and provide a display of both the mean and peak signal levels in...

Страница 57: ...ollowing is the format for the ATN command In Command Mode ATN Fstart Fstop S D Enter where Fstart start frequency in MHz including 0 6 decimal places Fstop stop frequency in MHz including 0 6 decimal...

Страница 58: ...all settings required to initiate default communication with other unit types Frequency Hopping FH modems F1 FH Master Fast PMP F2 FH Slave Fast PMP F3 FH Repeater Fast PMP F4 FH Master Slow PMP F5 FH...

Страница 59: ...ith regulations Following is an example of entering Frequency Restrictions First the AT H0 command is invoked The modem responds with a prompt for the Unit Address Enter the Unit Address for the Maste...

Страница 60: ...the Esc key was entered to escape the entry process and the summary at left bottom was displayed Pressing Esc again saves and exits the process To modify an existing restriction simply overwrite it T...

Страница 61: ...ions The registers applicable for each mode and network protocol type may vary Where possible it has been noted in the title box if the register is only used in specific modes NB Narrowband Licensed M...

Страница 62: ...cations greater than 115200bps Values selection S101 Operating Mode 0 Master 1 Repeater 2 Slave Remote The Operating mode defines the role in the network a unit plays A P2400 modem may be configured f...

Страница 63: ...smitted power the cabling loss and the antenna gain cannot exceed 36dBi 1 Values 1 65535 or 1 255 S105 Unit Address The unit address is and must be a unique identifier of each modem in a network The a...

Страница 64: ...intervals may decrease latency particularly of smaller packets of data The default setting of 20ms is satisfactory for most applications If adjustment of S109 is being considered also consider the se...

Страница 65: ...ansmission Retransmissions can be used to provide system robustness and to ensure data delivery due to noisy environments or weak signal levels Retransmissions should not be used as the only means to...

Страница 66: ...communicate e g Slave UA S105 3 may have an S118 2 where the modem with UA 2 is a Repeater between the Slave and the Master the Repeater will have an S118 1 Values 65535 full roaming 1 254 specific f...

Страница 67: ...int PP 2 Peer to Peer or Everyone to Everyone 3 Reserved 4 PMP with acks S133 Network Type This register defines the type of network being deployed This register must be set to the same value on every...

Страница 68: ...S140 of each of 2 pair Remote modem is the UA of the other E2E S140 of all modems 65535 broadcast With one or more Repeaters in the system a network s throughput is divided in half Exercising the opt...

Страница 69: ...EC may effectively increase throughput by decreasing the amount of packet retransmissions which would otherwise be required Communications range may also be extended with the use of FEC at a certain d...

Страница 70: ...ostics Packet Retransmission 0 254 0 default See the P2400 Diagnostics Manual for more information Values S217 Protocol Type 0 transparent 1 MODBUS RTU 2 DF1 protocol full duplex with address filterin...

Страница 71: ...tail in previous sections It relates to Channel Requests in that in TDMA mode the Master does not allow such requests from Remotes the Master sequences through a list of Remotes giving each one in tur...

Страница 72: ...s idle NB 4 DCD on when synchronized FH when channel is busy NB Controls the module s DCD output signal to the attached device Determines when the DCD line is active Values Dn Data Terminal Ready DTR...

Страница 73: ...l LOS i e LOS is not enough to completely satisfy RF path requirements for a robust communications link Transmit Power Having read thus far through the factors to be considered it should be clear that...

Страница 74: ...culations provide results which specify required antenna heights For cost savings and in taking advantage of the characteristics of the frequency range sometimes the height requirements are not adhere...

Страница 75: ...e all values are expressed in dB dBi or dBm as applicable Assuming a path loss of 113dB for this example the fade margin 143 113 30dB 30dB exceeds the desired fade margin of 20dB therefore this radio...

Страница 76: ...tion the radiated signal will be vertically polarized if parallel to the ground the polarization is horizontal The network topology application and path calculation are all taken into considera tion w...

Страница 77: ...ols and to weatherproof them 5 2 3 Surge Arrestors The most effective protection against lightning induced damage is to install two light ning surge arrestors one at the antenna the other at the inter...

Страница 78: ...action the modem performs when the DTR input line is toggled follow ATD with either of the following n 0 DTR line ignored 2 deassert DTR to force modem from data mode into command mode at S102 serial...

Страница 79: ...A The registers described in this Appendix are ones which are normally visible to the user The values stored in these registers effect the operation of the modem An asterisk represents default value i...

Страница 80: ...A Port of the module If installed in develop ment board 2 Run the firmware utility downloaded from the Microhard Support site ATFirmwareUpgrade exe 3 Select the COM port on your PC that is connected t...

Страница 81: ...e 3 1 Run at u0 CR at command terminal Initialize the modem into flash image upgrade mode 3 2 Run at u1 CR at command terminal Load the flash image into the modem After this command is entered don t d...

Страница 82: ...he host can receive data CTS Clear to Send Output from Module A handshaking signal which is asserted by the DCE TTL low when it has enabled communications and transmission from the DTE can commence Wh...

Страница 83: ...Microhard Systems Inc Confidential 83 Appendix F Pico Development Board Schematic...

Страница 84: ...on in this manual or in the respective MHX manual This is provided as a quick reference The drawing depicts a top view of the Adapter The corner pins 1 20 21 40 are printed directly on the PCB for ref...

Страница 85: ...Microhard Systems Inc Confidential 85 Appendix G Pico MHX Adapter Card Page 2 of 2...

Страница 86: ...ent interdits pour une utilisation avec cet appareil L imp dance d antenne requise est de 50 ohms Pour r duire les interf rences radio potentielles pour les autres utilisateurs le type d antenne et so...

Страница 87: ...150 Country Hills Landing NW Calgary Alberta Canada T3K 5P3 Phone 403 248 0028 Fax 403 248 2762 www microhardcorp com...

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