INSTALLATION GUIDE J4N Junction Box For R4 Navigation System
Saab TransponderTech INSTALLATION GUIDE J4N Junction Box for R4 Navigation System
Page i i Copyright The entire contents of this manual and its appendices, including any future updates and modifications, shall remain the property of Saab TransponderTech AB at all times. The contents must not, whether in its original form or modified, be wholly or partly copied or reproduced, nor used for any other purpose than the subject of this manual. ii Disclaimer While reasonable care has been exercised in the preparation of this installation guide, Saab TransponderTech AB shall incur no liability whatsoever based on the contents or lack of contents in the installation guide. iii Validity of this Document This installation guide is valid for the J4N Junction Box, part number 7000 109-121 iv Installation Guide Part Number and Revision Part number 7000 109-126, revision B v Disposal Instructions Broken or unwanted electrical or electronic equipment parts shall be classified and handled as ‘Electronic Waste’. Improper disposal may be harmful to the environment and human health. Please refer to your local waste authority for information on return and collection systems in your area.
Page ii CONTENTS 1 2 INTRODUCTION 1 1.1 About this installation guide 1 1.2 Unpacking the equipment 1 GENERAL INFORMATION 1 2.1 Physical Size (mm) 1 2.2 Cabling 2 2.3 Power Supply 2 2.4 Clearance area (mm) 3 2.5 J4N Alarm Relay 3 2.6 J4N Circuit Board 3 3 MOUNTING THE BOX 5 4 CONNECTING R4 NAVIGATION SENSOR AND DISPLAY CABLES 5 4.1 Installing the R4 Navigation Sensor Power and Data Cable 5 4.2 Installing the R4 Display Power Cable 6 4.3 Installing the R4 Display Signal Cable 6 5 6 DUAL DISPLAY, REDUNDANT & COMBINED AIS/NAV INSTALLATIONS 7 5.1 Dual-Display (slave) Installation 7 5.2 Redundant System Installation 8 5.3 Combined AIS/Nav System Installation 9 TECHNICAL SPECIFICATIONS 11 Appendix A: J4N Schematic 12 Appendix B: J4N PCA Layout 13
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INTRODUCTION 1 INTRODUCTION 1.1 About this installation guide Page 1 This installation guide provides information to facilitate installation of the Saab TransponderTech J4N Junction Box for the R4 (D)GPS Navigation System. As the J4N Junction Box is intended for use with the R4 Navigation System, this installation guide contains information that is relevant for this type of installation. It is important to note that more details of the R4 Navigation System installation are found in the Installation Manual for the R4 Navigation System (part number 7000 109-009). The main part of this installation guide concerns the basic standalone navigation configuration. Additional information related to dual redundant and combined AIS/navigation installations are provided in chapter five. 1.2 Unpacking the equipment When unpacking the equipment, please check that the following is included in the delivered package, if any parts are missing, please contact the Saab TransponderTech dealer. Standard J4N package: Name Qty. J4N Unit 1 Mounting Screws (In plastic bag located inside the box) 4 2 GENERAL INFORMATION 2.1 Physical Size (mm)
GENERAL INFORMATION 2.2 Page 2 Cabling This guide details how to mount the standard cables that are included in the standard delivery package for the R4 Navigation System. R4 Navigation Sensor Power and Data Cable, part number 7000 109-011. R4 Display Power Cable, part number 7000 108-132. R4 Display Signal Cable, part number 7000 108-133. The basic configuration is shown below. Figure 1: Overview of R4 Navigation System installation 2.3 Power Supply The R4 Navigation System (sensor and display) is designed to operate on 24 volts DC. The nominal power used by the display and sensor is 11.2 W. The J4N Junction Box includes the required fuses for the display and navigation sensor (2 and 1 Amperes respectively).
GENERAL INFORMATION 2.4 Page 3 Clearance area (mm) Leave a clearance around the J4N Junction Box to facilitate service and installation. See recommended clearance area below. Figure 2: Recommended clearance area 2.5 J4N Alarm Relay The J4N junction box includes a relay (RE1) driven by the discrete alarm output of the R4 Navigation Sensor. The relay switch may be connected to an audible alarm device or the ship’s alarm system. An external switch for acknowledge of alarms may also be connected. The R4 Navigation System also facilitates alarm messages and acknowledge of alarms in serial ‘NMEA’ format. Refer to the R4 Navigation System installation manual for details. 2.6 J4N Circuit Board The components and available connections of the J4N circuit board are shown in figure 3 and listed in table 1 below. The schematic for the J4N circuit board is included in Appendix A of this installation guide.
GENERAL INFORMATION Page 4 Figure 3: J4N Circuit Board Layout Item Description K1 Terminal block for R4 Display power cable. K2 Terminal block for R4 Navigation Sensor power and data cable. K3 Terminal block for R4 Display signal cable. K4 Terminal block for common external grounding of cable shields, if required. K5 Terminal block for R4 Display front plug (Pilot Port). K6 Terminal block for User Port 3. K7 Auxiliary terminal block for User Port 3 Tx lines. K8 Terminal block for User Port 2 (This port is Tx only). K9 Auxiliary terminal block for User Port 2. K10 Auxiliary terminal block for R4 Navigation Sensor System Port Tx lines. K11 Terminal block for User Port 1. K12 Auxiliary terminal block for User Port 1 Tx lines. K13 Terminal block for speed log pulse output. K14 Terminal block for external alarm acknowledge switch. K15 Terminal block for alarm relay. ‘NC’ (normally closed) /’NO’ (normally open) refers to the normally powered state of the relay under no-alarm conditions. K16 Terminal block for 24V DC power. Dual terminals are available for re-distribution of power in multi-system configurations. JP1 Jumper point for connection of signal shields to the junction box chassis, if required. Per default unpopulated (open). RE1 Alarm relay. F1 1 Ampere fuse for R4 Navigation Sensor. F2 2 Amperes fuse for R4 Display. Table 1: J4N Circuit Board Components
MOUNTING THE BOX 3 Page 5 MOUNTING THE BOX 1. Open the lid of the J4N Junction Box 2. Fix the box on an appropriate surface with the 4 supplied screws. Use the four holes that are located in each corner of the bottom plate. 3. Connect the R4 Navigation Sensor power and data cable, the R4 Display power cable and the R4 Display signal cable as described in the next section below. 4. Connect cables to external equipment as required in accordance with table 1 and indications on the J4N board. Refer to the installation manual for the R4 Navigation system for details relating to the external interfaces if required. 5. Clamp the cables to the clamp area located on the front of the box. 6. Fix the lid to the box casing 7. If needed, also clamp the cable outside the box. 4.1 CONNECTING R4 NAVIGATION SENSOR AND DISPLAY CABLES Installing the R4 Navigation Sensor Power and Data Cable Connect the R4 Navigation Sensor power and data cable to the J4N Junction Box terminal block K2 as indicated in figure 4 below. Note: The shield of the R4 Navigation Sensor power and data cable is connected to power supply return. It is not connected to the other shields in J4N and may be left unconnected (and properly isolated if so required). J4N Terminal Block K2 R4 Navigation Sensor Power & Data Cable p/n 7000 109-011 rev A 18 pin Conxall Connector 1 4 Shield (n/c) Power (-) Power ( ) Alarm Out Alarm Ack GND Alarm Ack Speed Log GND Speed Log Out RX A RX B User Port 1 TX A TX B TX A User Port 2 TX B RX A RX B System Port TX A TX B Shield Blue Red White/Gray Brown/Green White/Green Yellow/Brown White/Yellow White Brown Gray Pink Gray/Pink Red/Blue Green Yellow Black Purple 12 9 17 18 4 14 6 15 1 3 7 8 16 13 2 5 10 11 R4 Navigation Sensor K2 Figure 4: Connection between J4N and the R4 Navigation Sensor
CONNECTING R4 NAVIGATION SENSOR 4.2 Page 6 Installing the R4 Display Power Cable Connect the power cable for the R4 Display to the J4N Junction Box terminal block K1 as indicated in figure 5 below. Note: The ‘shield’ of the R4 Display power cable is not used in the cable or display. It is not connected to the other shields in J4N and may be left unconnected. R4 Display Power Cable p/n 7000 108-132 rev B J4N Terminal Block K1 R4 Display 3 pin Conxall Connector 1 Shield (n/c) Display Power (-) Display Power ( ) White Black Red 2 1 3 K1 Figure 5: Power connection between J4N and the R4 Display Installing the R4 Display Signal Cable Connect the signal cable for the R4 Display to the J4N Junction Box terminal block K3 as indicated in figure 6 below. J4N Terminal Block K3 R4 Display Signal Cable p/n 7000 108-133 rev A R4 Display 18 pin Conxall Connector 1 4.3 RX A RX B TX A TX B RX A RX B TX A TX B RX A RX B TX A TX B Shield R4 Sensor Port User Port 3 (R4 Transponder) Front Plug (Pilot Port) Gray Pink White Brown Blue Red Green Yellow Red/Blue Gray/Pink Violet Black Shield 11 10 5 2 8 7 3 1 15 18 13 16 12 K3 Figure 6: Signal connection between J4N and the R4 Display
DUAL DISPLAY, REDUNDANT & COMBINED 5.1 DUAL DISPLAY, REDUNDANT & COMBINED AIS/NAV INSTALLATIONS Dual-Display (slave) Installation A secondary (slave) display can be connected to the R4 Navigation system as illustrated by figure 7 below. The displays shall be interconnected by the User 3 ports (Tx to Rx and vice versa). The Tx lines from the R4 Navigation Sensor shall be connected to both displays. The R4 Navigation Sensor Rx lines shall be connected to the primary (master) display unit only. The power cable to the slave display shall be connected in parallel with power connection to the master unit. There is no need to replace the 2A fuse for the display power supply in the J4N Junction Box. J4N Junction Box with basic system installation of R4 Navigation Sensor and Display (master unit) R4 Navigation Display (Slave Unit) R4 Display Power Cable p/n 7000 108-132 rev B J4N Terminal Block K1 (Display Power) 3 pin Conxall Connector 2 1 3 White Black Red R4 Display Signal Cable p/n 7000 108-133 rev A 1 5 Page 7 Shield (n/c) Display Power (-) Display Power ( ) J4N Terminal Block K10 (System Port Aux) 18 pin Conxall Connector Gray Pink Shield TX A TX B 1 11 10 J4N Terminal Block K6 (User Port 3) Green Yellow Shield Blue Red RX A RX B Shield TX A TX B 1 3 1 12 8 7 Figure 7: Connection of dual-display slave unit In order to enable this mode of operation, the master display shall be configured as a ‘dual-display master’ whereas the slave display shall be configured as ‘dual-display slave’. Refer to the R4 Navigation System operators manual (with supplements) for further details. Note: Dual-display operation is supported by R4 Navigation display software version 5.0.96 onwards.
DUAL DISPLAY, REDUNDANT & COMBINED 5.2 Page 8 Redundant System Installation Two R4 Navigation Systems may be interconnected in a ‘redundant configuration’ thus enabling them to automatically share database and navigation settings. In order to accomplish this, the Tx lines of the User 3 port on one system shall be connected to the Rx lines of the other system and vice versa. Refer to figure 8 for a suggested configuration using two J4N Junction Boxes. In order to enable synchronized operation, one unit must be configured as ‘redundant master’ and the other unit as ‘redundant slave’. For further details refer to the operators manual for the R4 Navigation System. Figure 8: Dual redundant system installation
DUAL DISPLAY, REDUNDANT & COMBINED 5.3 Page 9 Combined AIS/Nav System Installation The R4 Combined AIS and Navigation system combines the R4 Navigation System with the R4 AIS Transponder system using a single display. A suggested installation using the J4N Junction Box and a J4 Junction Box for the AIS transponder system (part number 7000 100-165) is outlined in figure 9. Display Power R4 Transponder GPS Antenna Display Signal Speed Log Pulse USER1 Serial data USER3 Alarm ACK switch Front Plug Alarm Relay USER2 J4 Junction Box NC CO NO 24V DC Transponder Signal Transponder Power J4N Junction Box VHF Antenna 24V DC NC CO NO AUX Alarm Relay S1 S2 Long Range ECDIS User 3 of second Nav in redundant configuration USR2 – S3: Tx to Rx USR3 – Display: Tx to Rx, Rx to Tx Front Plug – Pilot Port: Tx to Tx, Rx to Rx Figure 9: R4 Combined AIS and Navigation System installation Optionally, the R4 Display signal cable leads can be connected directly to the terminal blocks of J4 & J4N Junction Boxes as follows. Pilot Port Nav Sensor Power & Data R4 Display Display R4 Navigation Sensor S3 GPS Antenna
DUAL DISPLAY, REDUNDANT & COMBINED Page 10 R4 Display GPS Antenna R4 Navigation Sensor R4 Transponder GPS Antenna VHF Antenna Front Plug Display Power User 3 Alarm Relay Alarm ACK switch Speed Log Pulse USER1 24V DC Serial data NC CO NO AUX Alarm Relay S1 S2 Long Range ECDIS Pilot Port NC CO NO Display J4 Junction Box USER2 J4N Junction Box 24V DC Transponder Signal Transponder Power S3 Nav Sensor Power & Data Sensor Display Signal User 3 of second Nav in redundant configuration USR2 – S3: Tx to Rx USR3 – Display: Tx to Rx, Rx to Tx Front Plug – Pilot Port: Tx to Tx, Rx to Rx Figure 10: Optional display connection in combined AIS and Navigation System installation In this case, the leads of the R4 Display signal cable shall be connected according to the table below. Junction Box Terminal Block / Terminal Display data cable lead Display connector pin J4N / K3 R4 Display R4 Sensor port Rx A Gray 11 J4N / K3 R4 Display R4 Sensor port Rx B Pink 10 J4N / K3 R4 Display R4 Sensor port Tx A White 5 J4N / K3 R4 Display R4 Sensor port Tx B Brown 2 J4 / K3 - Pilot Rx A Red/Blue 15 J4 / K3 - Pilot Rx B Gray/Pink 18 J4 / K3 - Pilot Tx A Violet 13 J4 / K3 - Pilot Tx B Black 16 J4 / K6 - Display Rx A Green 3 J4 / K6 - Display Rx B Yellow 1 J4 / K6 - Display Tx A Blue 8 J4 / K6 - Display Tx B Red 7 Table 2: Connection of R4 Display signal cable in a combined AIS/Nav installation.
TECHNICAL SPECIFICATIONS 6 Page 11 TECHNICAL SPECIFICATIONS PHYSICAL Dimensions: Height: Width: Depth: 37 millimeters 262 millimeters 130 millimeters Weight: 0.95 kilograms J4N ALARM RELAY Max switching current: 3A Max switching voltage: 250 VDC or 230 VAC Max switching power: 60W (DC) or 120 VA (AC) resistive load
TECHNICAL SPECIFICATIONS Page 12 APPENDIX A: J4N SCHEMATIC
TECHNICAL SPECIFICATIONS Page 13 APPENDIX B: J4N PCA LAYOUT
the R4 Navigation System installation are found in the Installation Manual for the R4 Navigation System (part number 7000 109-009). The main part of this installation guide concerns the basic stand-alone navigation configuration. Additional information related to dual redundant and combined AIS/navigation installations are provided in chapter five.
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