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PSA Installation Guide

p. 18

Installing Harnesses

Radar I/O Harnesses

8-pin aviation connectors attach to forward and rear radar module pigtails

through the bus side panel. From each radar module, three harness legs run

into the bus:

• Serial leg (DB9 connector) to the SAM controller

RS-232

port

• Power leg (2-wire) to battery positive (via 5A fuse) and battery

negative

• SAM I/O leg (5-wire) - for details, consult the wiring diagram

Installation procedure

1. Ensure forward and rear I/O harnesses are connected to radar module pigtails (8-pin aviation connectors) and routed

appropriately into the bus. For more information, see "Mounting Radar Modules" on page 12.

2. Connect the red wires from the 2 radar harness power legs to the 5A fuse holder (470-0012G)/5A fuse (420-0007G).

3. Wire the other side of the 5A fuse holder to battery positive.

4. Connect the black wires from the 2 radar harness power legs to battery negative.

Connect the fly wires on each radar harness SAM I/O leg as detailed in the wiring diagram on

page 13.

6. Plug one of the DB9 connectors into the SAM controller's

RS-232

port. Coil and stow the other serial cable leg/DB9

connector in an appropriate location near the SAM so it's available to connect to the RS-232 port when required.



TIP: Harness labels

Use the supplied labels to identify forward/rear harnesses and the serial

and I/O legs. For details, see "Wire looms" on page 8.



TIP: Soft-mounting serial/DB9 harness legs

If the SAM controller is mounted above the windshield, we recommend against permanently installing the serial/DB9

cable runs all the way up to the bulkhead. Instead, run the serial cable legs into the bus beside the driver, and find a

convenient location (such as the switch panel or side compartment) to coil and stow the excess length. Temporarily

connect the serial/DB9 cables to the SAM RS-232 port for configuration and logging, then stow away when not in use.



NOTE: Temporary DB9 connections to SAM

Forward and rear radar I/O harness serial legs must be temporarily connected to the SAM RS-232 port (one at a time)

during PSA configuration and logging. These connections are not required for normal system operation. For more

information see the

PSA User Guide

(700-1176).

DB9 connector to

SAM

RS-232

8-pin aviation

connector to

radar pigtail

Consult the

wiring diagram

Содержание PSA

Страница 2: ...ing for Installation 7 System Mounting 7 Harness Routing 7 Wire looms 8 Operator Safety Warning Sticker 8 Installing Components 9 Mounting the SAM Controller 9 Mounting the GPS Receiver 9 Mounting the Audio Amplifier 10 Mounting the Ground Loop Isolator 10 Mounting the SAM Display 10 Mounting Speaker Horns 11 Mounting Radar Modules 12 Wiring Diagram 13 Installing Harnesses 15 SAM I O Harness 15 GP...

Страница 3: ...Guide SAM Power and Splitter Harnesses 16 Audio Harnesses 17 Radar I O Harnesses 18 Appendix 19 Sharing GPS Data between PSA and Right hand Danger Zone RHDZ 19 Support Information 21 Contact customer service 21 Product information 21 Warranty 21 Table of Contents continued ...

Страница 4: ...nlikely to stop when the school bus stop arm is deployed A display unit delivers appropriate visual alerts to the driver and two exterior horn speakers play sounds to alert pupils of potential danger What does the PSA system include The PSA system has the following primary components Safety Alert Module SAM providing system logic and configuration capabilities Radar system monitoring the area arou...

Страница 5: ... drilling template 700 1155 2x Radar I O Harness 060 1128 20 ft 6 1m 5 wire I O and DB9 legs 15 ft 4 6m 2 wire power leg 1x SAM Display 080 1076 ships w velcro mounting strip 2x Exterior Speakers 085 1087 ships w bracket drilling template 700 1145 and 4x 10 x 3 4 self drilling screws 600 0038 1x Audio Amplifier 085 1089 ships w 4 x machine screws and lockwashers speaker harness and 24 5ft 7 5m ext...

Страница 6: ...rtment beneath A pillar Speaker Mounting Options Engine compartment on firewall or behind grille Frame mounted In cavity under bus floor behind entrance door Mounting Options A pillar Above or to the left of driver s console switch panel Mounting Options A pillar Dashboard GPS may be provided by an external source Installations that include both PSA and the Safe Fleet Right hand Danger Zone RHDZ s...

Страница 7: ...procedures see Installing Components on page 9 Harness Routing After determining component locations plan harness and cable routes see the System Diagram on page 6 and the Wiring Diagram on page 13 Consider routing distances and logistics including barriers bottlenecks Plan for efficient access to battery source ignition power relays and interface panels choose power ground connections and fuse pl...

Страница 8: ...afety warnings Post the sticker in proximity to the vehicle operator for example on the driver s side console or front bulkhead cabinet WARNING SEVERE INJURY OR DEATH can result if you fail to comply with the following ALWAYS ensure Predictive Stop Arm system PSA is functioning properly before operating the bus see the 3 Step Operator Checklist for test procedure ALWAYS pay attention to PSA audio ...

Страница 9: ...e Do not mount the SAM in a closed in area or restrict ventilation in any way The SAM requires air circulation to maintain optimum operating temperature and provide best performance 2 Secure the SAM Controller to the mounting surface with the 4 supplied self drilling screws Mounting the GPS Receiver Top side up toward the sky TIP Satellite reception For best results place the GPS close to the wind...

Страница 10: ...ct a location according to the requirements in System Mounting on page 7 In addition Do not expose the isolator to moisture Install the isolator away from electrical circuits 2 Secure the isolator to the mounting surface with the 4 supplied 8 x 3 4 screws Mounting the SAM Display 1 Select a location according to the requirements in System Mounting on page 7 In addition Choose a prominent location ...

Страница 11: ...e screw holes then mount the bracket to the surface using the 4 supplied 10 x 3 4 screws 4 Place the speaker in the bracket so the holes line up and insert the 2 bracket screws Use the supplied washers and thread the nuts onto the screws 5 If required pivot the speaker horn toward an opening then tighten the speaker bracket assembly TIP Avoid exterior mounting locations To help prevent damage to s...

Страница 12: ...he template image shown on the right is not to scale The actual template is included with the installation kit Front of bus FORWARD module REAR module Cable hole Pilot holes 3 Run the 8 pin aviation connectors from radar module pigtails through the panel cable holes and thread into the forward and rear radar I O harnesses 4 Use the 3 supplied 10 x 11 4 Phillips screws to secure each radar module t...

Страница 13: ...Red Yellow Black SL red Extension red positive black SR red Extension red positive green SAM input 4 yellow RF Alarm 2 Warning grey SAM input 5 grey RF Alarm 3 Alert brown RR Alarm 2 Warning grey Radar power harness black to battery Radar power harness yellow to battery RR black wire SAM ground black RF black wire SAM output 3 red SAM output 1 white SAM output ground black SAM output 2 red SAM out...

Страница 14: ...PSA Installation Guide p 14 Wiring Diagram Radar I O harness 060 1128 SAM I O harness 060 1117 Power splitter harness 060 1166 SAM power harness PH2X2MFJR SAM audio connector 085 1096 Speaker cable extension 060 1155 Wiring Diagram Cable Legend 2 1 3 4 5 6 ...

Страница 15: ...port on the SAM controller We recommend securing the USB cable to the SAM I O harness 1 Ensure the SAM I O harness 2x8 Microfit is plugged in to the SAM SIGNALS port 2 Create a small loop a few inches from the USB connector at the end of the GPS pigtail Use a cable tie to fasten the loop to the SAM I O harness wire bundle Leave enough slack so the USB connector so can plug in and out of a USB port...

Страница 16: ...the SAM power harness PH2X2MFJR 3 Connect the SAM power harness fly wires and fuses Connect the red fly wire to the supplied 10A fuse holder and wire the other side of the fuse holder to battery positive Connect the yellow fly wire on the SAM power harness to the supplied 1A fuse holder and wire the other side of the fuse holder to vehicle ignition Connect the black fly wire on the SAM power harne...

Страница 17: ...rmation see the Wiring Diagram on page 13 d Plug the amplifer power harness 1x3 connector into the amplifier POWER port 5 Wire the speaker harness a Splice the 2 green wires right speaker from the harness to an extension cable 060 1155 The harness striped green connects to the extension black the harness green connects to the extension red b Splice the 2 black wires left speaker from the harness t...

Страница 18: ...one of the DB9 connectors into the SAM controller s RS 232 port Coil and stow the other serial cable leg DB9 connector in an appropriate location near the SAM so it s available to connect to the RS 232 port when required TIP Harness labels Use the supplied labels to identify forward rear harnesses and the serial and I O legs For details see Wire looms on page 8 TIP Soft mounting serial DB9 harness...

Страница 19: ...ing PSA as the GPS source and RHDZ as the client a Ensure PSA has the GPS receiver installed and connected see Mounting the GPS Receiver on page 9 and GPS on page 15 b Connect PSA to RHDZ use the supplied Ethernet cable part 085 0116 6ft 1 83m to connect the PSA SAM LAN port to the RHDZ ISAM LAN port as shown in the diagram below c Log in to the PSA system and configure PSA as the GPS server for i...

Страница 20: ...ion Guide part 700 1189 b Connect PSA to RHDZ use the supplied Ethernet cable part 085 0116 6ft 1 83m to connect the PSA SAM LAN port to the RHDZ ISAM LAN port as shown in the diagram on page 19 c Log in to the RHDZ system and configure RHDZ as the GPS source for instructions see GPS Settings in the RHDZ User Guide part 700 1190 d Log in to the PSA system and configure PSA as the GPS client for in...

Страница 21: ...k for a Return Merchandise Authorization RMA number An RMA number allows the Service Technicians to better track your product when it comes in for service Please show the RMA number on the outside of the package ANY RETURNED PRODUCT WITHOUT AN RMA NUMBER MAY BE REFUSED Product information For product information and related documentation please visit the Safe Fleet Community https community seon c...

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