Sigma AM-255 service manual System #1 Input Signals, Relay Outputs

Page 9

2. INSPECTION AND SET-UP page 6

Connect the wires to the appropriate connections on the terminal strips. The following tables

outline the connections.

SYSTEM #1

INPUT SIGNALS

Signal	Terminal Strip, Pin

Radiation Alarm	J3-1

High Background	J3-2

Low Background	J3-3

Tamper	J3-4*

Common	J3-5

RELAY OUTPUTS

Signal	Terminal Strip, Pin

Radiation, C	J4-1

Radiation, NC	J4-2

Radiation, NO	J4-3

High Background, C	J4-4

High Background, NC	J4-5

High Background, NO	J4-6

Low Background, C	J4-7

Low Background, NC	J4-8

Low Background, NO	J4-9

Tamper, C	J4-10

Tamper, NC	J4-11

Tamper, NO	J4-12

Model AM-255

Image 9

Contents

Alarm Monitor Model AM-255 Maintenance Table of ContentsTroubleshooting Theory of OperationAppendix Warranty Glossary Formulas Configuration Tracking Sheet PartsRecommended Spare Parts Spare Parts Ordering Information Scope and Purpose of Manual Introduction Specifications Inspection Inspection and SetupSET-UP Procedures Wiring Instructions Relay Outputs System #1 Input SignalsSystem #2 Input Signals Initial Setup Checklist Operating Instructions Controls and IndicatorsSummary of Alarm Indications Summary of Alarm IndicationsOperation Unit Operation Components Maintenance Procedures Performance Verification Checklist Component Access Do not go to until the battery voltage is 12.4 or greater Troubleshooting Longs Peak Court LONGMONT, Colorado Appendix B. Glossary page20 Appendix B. Glossary page21 Activity from Counts Appendix C. Formulas page23 Appendix C. Formulas page24 System Modifications Configuration Tracking SheetLongs Peak Court LONGMONT,COLORADO Longs Peak Court Drawings