SEPTENTRIO PolaRx4 PRO Hardware Manual Download Page 3

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PolaRx4 Product Family Hardware Manual v2.0.0

Table of contents

TABLE OF CONTENTS .........................................................................................................3

POLARX4_PRO AND POLARX4TR_PRO .....................................................................6

1.1

Rear Panel Connectors.............................................................................................................. 6

1.1.1

MAIN (TNC) ....................................................................................................................... 6

1.1.2

PPS OUT (BNC) ................................................................................................................. 7

1.1.3

REF IN (BNC) ..................................................................................................................... 7

1.1.4

REF OUT (BNC) ................................................................................................................. 7

1.1.5

PPS IN (BNC) – PolaRx4TR_PRO Only ............................................................................ 8

1.2

Front Panel Connectors ........................................................................................................... 11

1.2.1

COM1 ................................................................................................................................. 11

1.2.2

COM2 ................................................................................................................................ 12

1.2.3

COM3-4/USB .................................................................................................................... 12

1.2.4

Ethernet ............................................................................................................................. 13

1.2.5

OUT ................................................................................................................................... 13

1.2.6

IN ....................................................................................................................................... 13

1.2.7

................................................................................................................................... 13

1.2.8

PWR .................................................................................................................................. 14

1.3

Log Button ............................................................................................................................... 14

1.4

Power Button ........................................................................................................................... 14

1.5

LEDs ......................................................................................................................................... 14

1.6

Cables ....................................................................................................................................... 15

1.7

Internal Logging on SD Memory Card ................................................................................. 16

1.8

Stand-By Mode ........................................................................................................................ 16

1.9

Applicable Software Package ................................................................................................. 16

1.10

Pseudorange Inter-Frequency Biases .................................................................................... 17

1.11

Hardware Specifications ......................................................................................................... 18

POWER FAILOVER ...................................................................................................... 19

2.1

Connectors ............................................................................................................................... 20

2.1.1

MAINS – ADAPTER ........................................................................................................ 20

2.1.2

BATTERY ......................................................................................................................... 20

2.1.3

CHARGER ........................................................................................................................ 20

2.1.4

RECEIVER ....................................................................................................................... 20

2.2

Cables ....................................................................................................................................... 21

2.3

Hardware Specifications ......................................................................................................... 21

Summary of Contents for PolaRx4 PRO

Page 1: ..._______________________________________________________________________________ PolaRx4 Product Family Hardware Manual v2 0 0 1 PolaRx4 Product Family Hardware Manual Version 2 0 0 ...

Page 2: ...anual v2 0 0 2 PolaRx4 Product Family Hardware Manual Version 2 0 0 March 04 2015 Copyright 2000 2015 Septentrio nv sa All rights reserved Septentrio Satellite Navigation Greenhill Campus Interleuvenlaan 15G B 3001 Leuven Belgium http www septentrio com support septentrio com Phone 32 16 300 800 Fax 32 16 221 640 ...

Page 3: ... 8 1 2 Front Panel Connectors 11 1 2 1 COM1 11 1 2 2 COM2 12 1 2 3 COM3 4 USB 12 1 2 4 Ethernet 13 1 2 5 OUT 13 1 2 6 IN 13 1 2 7 13 1 2 8 PWR 14 1 3 Log Button 14 1 4 Power Button 14 1 5 LEDs 14 1 6 Cables 15 1 7 Internal Logging on SD Memory Card 16 1 8 Stand By Mode 16 1 9 Applicable Software Package 16 1 10 Pseudorange Inter Frequency Biases 17 1 11 Hardware Specifications 18 2 POWER FAILOVER ...

Page 4: ...ICE PolaRx4 receivers comply with European Union EU Directive 2002 95 EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS Directive PolaRx4 receivers comply with the European Union EU Directive 2002 96 EC on waste electrical and electronic equipment WEEE The purpose of this Directive is the prevention of waste electrical and electronic equip...

Page 5: ... WARNING The power supply provided by Septentrio if any should not be replaced by another If you are using the receiver with your own power supply it must have a double isolated construction and must match the specifications of the provided power supply Statement 0003 WARNING Ultimate disposal of this product should be handled according to all national laws and regulations Statement 0005 WARNING T...

Page 6: ...ectors PPS IN only available on PolaRx4TR_PRO 1 1 1 MAIN TNC Connect an active GNSS antenna to this connector The gain at the connector antenna gain minus cable losses must be in the range 15 to 50dB By default the receiver provides a 5V DC supply on the MAIN connector to feed the antenna Other voltages can be imposed through pin ANT_EXT of the IN connector on the front panel see section 1 2 6 The...

Page 7: ... 5V to 2V 8dBm to 4dBm in a 50 load Connecting or disconnecting the external 10 MHz reference is preferably done with the receiver switched off If the 10 MHz reference is connected or removed during operation the receiver will reset If you are not using an external frequency reference it is recommended to connect the supplied 50 terminator to the REF IN connector 1 1 4 REF OUT BNC This connector p...

Page 8: ...nchronized with UTC offset with UTC smaller than 0 5 milliseconds It is also necessary that REF IN and PPS IN be present from the start up of the receiver Plugging in a PPS input signal when the receiver is already operating will lead to erroneous measurements The receiver synchronizes its measurement latching with the first low to high transition it detects on the PPS IN connector There is no use...

Page 9: ...aRx4TR For easier interpretation of the results cables C1 and C2 should have the same length Before measuring the delay the PolaRx4TR has to be configured to synchronize its PPS OUT signal with the measurement latching epoch This is done by setting the TimeScale argument of the setPPSParameters command to RxClock You can do this using RxControl go to the Navigation Receiver Operation Timing menu 0...

Page 10: ...e The oscilloscope trigger level should be set to 1V To avoid possible 20 ns jumps when power cycling the receiver the transition zones gray bars in the figure on the previous page should be avoided So if the measured PPS IN to measurement latching delay is within 2ns of the upper 150 3ns or lower 130 3ns limits it is recommended to replace either the C3 or the C4 cable by a cable of another lengt...

Page 11: ...number of the corresponding male connectors is shown below 3 pins 4 pins 5 pins 7 pins S40F1C P03MJG0 50CP S40F1C T04MFD0 50CP S40F1C P05MFD0 50CP S40F1C T07MCD0 50CP 1 2 1 COM1 This 7 pin connector provides access to the first serial port COM1 Pin Description 1 Not connected 2 Signal ground GND 3 Not connected 4 Not connected 5 Receive Data RXD input to the receiver 6 Transmit Data TXD output fro...

Page 12: ...receiver behaves as Data Terminal Equipment DTE Pin 1 provides a 5V DC voltage e g to allow feeding a Bluetooth device 1 2 3 COM3 4 USB This 7 pin connector can be configured in two modes COM3 and COM4 mode USB mode The electrical level at pin 7 defines the operating mode 1 2 3 1 COM3 4 mode This mode is selected by leaving pin 7 unconnected 1 2 3 2 USB mode This mode is selected by applying 5V DC...

Page 13: ...rant 100k pull down resistor This is the first digital input for external event timing Polarity is controlled by the setEventParameters command 6 EVENTB 3 3V CMOS 5V tolerant 100k pull down resistor This is the second digital input for external event timing Polarity is controlled by the setEventParameters command 7 ANT_EXT external antenna power Can be used to apply an external supply voltage to t...

Page 14: ...is being written to the internal SD memory card PVTLED LED lights when a PVT solution is available GPLED General purpose LED The function of this LED is configured with the setLEDMode command By default this LED has the DIFFCORLED function see below DIFFCORLED Differential correction indicator In rover PVT mode this LED reports the number of satellites for which differential corrections have been ...

Page 15: ...DUO_7 Part 201204 Dual COM3 and COM4 to PC DSUB9 female To be connected to the COM3 4 USB connector Note that RTS CTS is not supported on these ports Cable Name CBLe_GPO_OE_5 Part 201203 Open ended cable to be used with the OUT connector see pinout in section 1 2 5 Pin Function Wire Color 1 Reserved Blue 2 GND Blue Black 3 GP1 output Orange 4 GP2 output Green 5 nRST_OUT Brown Cable Name CBLe_GPI_O...

Page 16: ...se two wires are both connected to Pin 3 1 7 Internal Logging on SD Memory Card The receiver incorporates a SD memory card for internal logging Refer to the How to section of the Firmware User Manual to learn how to use this feature To prevent data corruption logging is protected against accidental power outages There is no need to unmount the SD memory card before switching off the receiver 1 8 S...

Page 17: ...as a reference and is therefore arbitrarily set to 0 The red dots mark the frequency of common GNSS carriers The figures only account for the receiver IFBs and do not include any biases in the antenna or splitter 1550 1560 1570 1580 1590 1600 1610 0 5 0 0 5 1 1 5 2 2 5 3 3 5 B1 L1 E1 reference GLO L1 Pseudorange IFB relative to L1 E1 Frequency MHz Inter frequency bias m 1170 1180 1190 1200 1210 12...

Page 18: ... of the shape of the bias versus frequency curve The exact bias values are slightly different for each receiver unit and depend on many parameters next to the frequency signal modulation temperature aging impedance matching with antenna However some general properties will be true in all cases The largest IFBs are found at the L5 and the GLONASS frequencies with typical values of a few meters For ...

Page 19: ...ry backup supply during outages of the main power supply The typical setup is depicted below In normal operation the receiver is powered from the power supply connected to MAINS ADAPTER When the voltage at that connector drops below 10 8V the receiver is powered from the battery instead A charger is permanently connected to the CHARGER input to charge the battery when the battery is not used to po...

Page 20: ...ttery only use a charger made for your particular battery type 2 1 4 RECEIVER Pin Description 1 To be connected to the main power supply 12 V DC 2 Internally connected to pin 2 of the RECEIVER connector 3 GND Pin Description 1 To be connected to the terminal of the battery 2 Power source indicator DC level is 0V when power at the RECEIVER connector is drawn from battery and 12V when drawn from mai...

Page 21: ...in 1 2 Red 3 Black and Purple these two wires are both connected to Pin 3 Cable Name CBLe_PWR_FOPX Part 213468 Failover to PolaRx4 cable Used to connect the RECEIVER connector of the power failover device to the PWR connector of the PolaRx4 receiver 2 3 Hardware Specifications Size 118 x 84 6 x 34 6 mm length including the connectors Temperature Range 40 to 60 C operational 55 to 85 C storage Ingr...

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