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REMOTE INTELLIGENT SENSOR - AREA MONITOR
Instruction 2772-0803 Page i
CONTENTS
Page #
FEATURES .................................................................................................................................... v
PRODUCT SPECIFICATION ...........................................................................................................vi
RIS CATALOG NUMBERS & DATA .............................................................................................viii
1 INTRODUCTION ........................................................................................................................... 1-1
1.1 SYSTEM DESCRIPTION .......................................................................................................... 1-1
1.2 BASIC PRINCIPLES ................................................................................................................. 1-1
1.3 GENERAL DESCRIPTION ....................................................................................................... 1-1
1.3.1 ENCLOSURE................................................................................................................ 1-1
1.3.2 CABLE GLANDS.......................................................................................................... 1-1
1.3.3 MAIN SYSTEM BOARD .............................................................................................. 1-1
1.3.4 SYSTEM POWER SWITCH SW1 ............................................................................... 1-2
1.3.5 MECHANICAL CHASSIS ............................................................................................ 1-2
1.3.6 BACK-UP BATTERY ................................................................................................... 1-2
1.3.7 BASE BOARD ............................................................................................................... 1-2
1.3.8 SAMPLE INLET........................................................................................................... 1-3
2 INSTALLATION AND SYSTEM CHECK .................................................................................. 2-1
2.1 UNPACKING ............................................................................................................................. 2-1
2.2 BATTERY CONNECTION........................................................................................................ 2-1
2.3 MECHANICAL INSTALLATION ............................................................................................ 2-1
2.4 ELECTRICAL INSTALLATION .............................................................................................. 2-1
2.4.1 CABLE RECOMMENDATION.................................................................................... 2-1
2.4.1.1 PSU to RIS Input................................................................................................... 2-1
2.4.1.2 PSU to Alarm Module ........................................................................................... 2-1
2.4.1.3 RIS Relay Output to Alarm Module ..................................................................... 2-1
2.4.1.4 0 – 1V Analog Output ............................................................................................ 2-1
2.4.1.5 4 – 20 mA Analog Output ..................................................................................... 2-1
2.4.2 POWER SUPPLY AND INPUT CONNECTIONS ................................................... 2-1
2.4.3 OUTPUT CONNECTIONS ......................................................................................... 2-2
2.4.4 RELAY OUTPUTS ....................................................................................................... 2-2
2.4.5 ANALOG OUTPUTS ................................................................................................... 2-2
2.5 SYSTEM POWER SUPPLY CONSIDERATION & SELECTION ........................................ 2-2
2.5.1 RIS POWER SUPPLIES .............................................................................................. 2-2
2.5.1.1 ‘Single Point’ .......................................................................................................... 2-2
2.5.1.2 ‘Multi Point’ ........................................................................................................... 2-2
2.5.2 POWER REQUIREMENTS, RIS & ALARM MODULE........................................... 2-3
2.5.2.1 Low Flow RIS Models ............................................................................................ 2-3
2.5.2.2 High Flow RIS Models........................................................................................... 2-3
2.5.2.3 ‘Worst Case’ Currents ........................................................................................... 2-3
2.5.2.4 Alarm Module......................................................................................................... 2-3
2.5.2.5 Summary ‘Worst Case’ Input Currents .............................................................. 2-3
2.6 SAMPLE LINES ........................................................................................................................ 2-3
2.6.1 GENERAL ..................................................................................................................... 2-3
2.6.2 LESS REACTIVE GASES ............................................................................................ 2-3
2.6.3 REACTIVE GASES ....................................................................................................... 2-4
2.6.4 SYSTEM PERFORMANCE WITH EXTENDED SAMPLE LINES ........................ 2-4
2.7 0 – 1 VOLT CONVERSION ...................................................................................................... 2-4
2.7.1 TOOLS & MATERIALS REQUIRED ......................................................................... 2-4
2.7.2 PROCEDURE................................................................................................................ 2-4