Section 2 – SR-2 Hardware Description
TABLE OF CONTENTS - SECTION 2
Table of Contents - Section 2................................................................................................................................. 1
Block Diagram.......................................................................................................................................................... 3
General Description ................................................................................................................................................ 4
Control System........................................................................................................................................................ 4
Control Components............................................................................................................................................... 4
SB Series Controls.................................................................................................................................................. 4
SL Series Controls .................................................................................................................................................. 5
Microprocessor On/Off Switch............................................................................................................................... 5
SB Series Units .................................................................................................................................................... 5
SL Series Units..................................................................................................................................................... 5
Overcurrent Protection ........................................................................................................................................... 5
HMI Control Panel.................................................................................................................................................... 6
Real Time Clock ................................................................................................................................................... 6
Clock Power...................................................................................................................................................... 6
Programmable Features...................................................................................................................................... 7
Fuse F10................................................................................................................................................................ 7
Display Heater...................................................................................................................................................... 7
SR2 HMI Control Panel Connector Maps........................................................................................................... 8
HMI Control Panel Connector – arranged by use ......................................................................................... 8
Microprocessor........................................................................................................................................................ 9
Microprocessor Operation.................................................................................................................................. 9
Real Time Clock ................................................................................................................................................... 9
Programmable Features...................................................................................................................................... 9
SR2 Microprocessor Connector Maps............................................................................................................. 10
J1 – 64 Pin Microprocessor/Interface Board Connector............................................................................ 10
J2 - 64 Pin Microprocessor/Interface Board Connector............................................................................. 10
J3 - Microprocessor Sensor – arranged by use.......................................................................................... 10
Interface Board ...................................................................................................................................................... 11
Interface Board Fuse Size & Function............................................................................................................. 12
Interface Board Relay Functions...................................................................................................................... 12
Interface Board LED Functions........................................................................................................................ 13
Smart FET Outputs ............................................................................................................................................ 13
Power Side Logic............................................................................................................................................... 14
Interface Board Jumpers................................................................................................................................... 14
J27.................................................................................................................................................................... 15
J101 Cold Start Jumper ................................................................................................................................. 15
J102.................................................................................................................................................................. 15
J103.................................................................................................................................................................. 15
Interface Board Connector Maps ..................................................................................................................... 16
J1 - 64 Pin Microprocessor/Interface Board Connector............................................................................. 16
J2 - 64 Pin Microprocessor/Interface Board Connector............................................................................. 16
J7 – 36 pin Interface Board to Main Harness Connector– arranged by pin number............................... 16
J6 - Electric Connector – arranged by pin number..................................................................................... 17
J8 - Remote Light Connector – arranged by pin number........................................................................... 17
Mini Mate-N-Lok Harness Connectors – shown from pin side of harness connector............................ 17
J4 - Power Switch Connector – arranged by pin number.......................................................................... 18
J15 - Engine Connector – arranged by pin number.................................................................................... 18
J14 - HMI Connector – arranged by pin number......................................................................................... 18
J9 – SERVICE WATCH Download Connector – arranged by pin number................................................ 18
J12 - iBOX Connector – arranged by pin number....................................................................................... 19
2-1
31 January 2005
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