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ALARM MONITOR
MODEL AM-255
OPERATING AND SERVICE MANUAL
Version 1.01z
December 20,2004
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AM-255 TABLE OF CONTENTS 1. INTRODUCTION..................................................................................................................... 1 1.1. SCOPE AND PURPOSE OF MANUAL.................................................................... 1 1.2. GENERAL DESCRIPTION ....................................................................................... 1 1.3. SAFETY PRECAUTIONS ......................................................................................
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APPENDIX .................................................................................................................................. 19 A. WARRANTY.......................................................................................................................... 19 B. GLOSSARY ............................................................................................................................ 20 C. FORMULAS .............................................................
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1. INTRODUCTION page 1 1. INTRODUCTION 1.1. SCOPE AND PURPOSE OF MANUAL This manual is designed to enable operating and service personnel to properly operate and care for the AM-255. Since applications are necessarily site-specific, operation procedures are given in general terms. Service and repair are covered to the board level. Anything more complex than this requires that the instrument or assembly be returned to TSA. 1.2. GENERAL DESCRIPTION The TSA Model AM-255 Alar
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1. INTRODUCTION page 2 1.4. SPECIFICATIONS Display: 4 alarm indicator LEDs per pillar being monitored; One systems ready LED, one power on LED Power: Internal: 12 volt, 7Ah sealed lead-acid battery pack Relay Power: Maximum 0.6 amp at 120Vac Battery life: More than 24 hours of normal operation Controls: Momentary contact alarm acknowledge switch, key lock switch, and lamp test switch Connectors: Input: One 4 pin, quick connect type terminal strip per
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2. INSPECTION AND SET-UP page 3 2. INSPECTION AND SETUP The following procedures should allow on-site personnel to correctly install and set up the AM-255 for normal operation. Follow the procedures in the order given. It is recommended that a copy of the Initial Installation Set-Up Checklist (section 2.4.). be filled out after initial installation and whenever the AM-255 is put into service after prolonged storage. If necessary, consult TSA Systems for assistance in case of unus
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2. INSPECTION AND SET-UP page 4 2.1.4. Shipping: Before returning the instrument for any reason, notify TSA Systems of the difficulty encountered, giving the model and serial numbers of the equipment. TSA will furnish specific shipping instructions. 2.2. SET-UP PROCEDURES An Initial Setup Checklist is included at the end of this section. It is recommended that a copy of this be filled out when the AM-255 is first installed, and whenever it is put into service after prolonged s
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2. INSPECTION AND SET-UP page 5 2.2.3. Connect the Positive Battery Cable: The positive battery cable is disconnected for shipping, and must be connected to the positive battery terminal. 2.2.4. Power: Plug the power cord into a standard 90 to 250Vac outlet. 2.2.5. Toggle Power Switch: There is a toggle power switch on the circuit board. This switch must be turned on (away from the connector edge of the board). The green power LED on the front panel will be illuminated to
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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 RELAY OUTPUTS Signal Terminal Strip, Pin Signal Terminal Strip, Pin Radiation Alarm J3-1 Radiation, C J4-1 High Background J3-2 Radiation, NC J4-2 Low Background J3-3 Radiation, NO J4-3 Tamper J3-4* High Background, C J4-4 Common J3-5 High Background, NC J4-5 High Background, NO J4-6 Low Background,
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2. INSPECTION AND SET-UP page 7 SYSTEM #2 INPUT SIGNALS RELAY OUTPUTS Signal Terminal Strip, Pin Signal Terminal Strip, Pin Radiation Alarm J5-1 Radiation, C J2-1 High Background J5-2 Radiation, NC J2-2 Low Background J5-3 Radiation, NO J2-3 Tamper J5-4* High Background, C J2-4 Common J5-5 High Background, NC J2-5 High Background, NO J2-6 Low Background, C J2-7 Low Background, NC J2-8 Low Background, NO J2-9 Tamper, C J2-10 Tamper, NC J2-11 Tamper, NO J2-12
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2. INSPECTION AND SET-UP page 8 2.4. INITIAL SETUP CHECKLIST ___ Initial inspection done ___ Cabling properly connected ___ AC power available ___ READY and POWER lamps go on when unit is plugged in ___ ACKNOWLEDGE button operates correctly ___ TEST function operates properly ___ Alarm test ___ All indicator lamps operate properly ___ Sonalert sounds when alarm indicated ___ Relays setup and operate correctly (if used) Performed by: _____________
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3. OPERATING INSTRUCTIONS page 9 3. OPERATING INSTRUCTIONS 3.1. CONTROLS AND INDICATORS The controls and indicators can be made to operate in several different ways. How they operate is controlled by the software installed. The front panel contains the power LED, ready LED, alarm indicator LEDs, and the acknowledge switch. The power LED is on whenever the system has power. The ready LED shows that the system is clear of alarms and working properly. The alarm indicator LEDs b
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3. OPERATING INSTRUCTIONS page 10 Acknowledge: This is a momentary contact pushbutton switch which clears the audio and visual indication of alarm conditions. Key Switch: The key switch is used to clear alarm lamps or test relays during maintenance. Test: A momentary contact pushbutton switch used to test the lamps, LEDs, and Relays. Sonalert: The Sonalert provides audible alarm. 3.2. SUMMARY OF ALARM INDICATIONS SUMMARY OF ALARM INDICATIONS The AM-255 provides bot
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3. OPERATING INSTRUCTIONS page 11 3.3. OPERATION During normal operation no operator intervention is needed. If an alarm condition is indicated, the AM-255 will sound an audible alarm and the panel lamps will indicate the nature of the alarm so that proper action may be taken. Pressing the test button will cause all the alarm lamps to flash, the ready LED to illuminate and the audio alarm to sound. If the key switch is in the normal position, it will energize the relays. Model A
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4. THEORY OF OPERATION page 12 4. THEORY OF OPERATION The alarm monitor model AM-255 is a battery powered, remote monitor unit used with TSA’s pedestrian and vehicle portal monitors. The AM-255 provides both audible and visual alarm indications for radiation alarms, low and high background alarms, and tamper conditions. Parallel relay outputs are provided to permit interfacing with existing alarm systems. Please reference the wiring/signal flow diagram drawings package provided wi
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4. THEORY OF OPERATION page 13 4.2. COMPONENTS 4.2.1. AM-255 Board: The AM-255 Board is the controller board for the system. It receives information from the system, and enables the appropriate lamps, relays, and the Sonalert. All functions of the AM-255 board are controlled by a Programmable Logic Device. There is also a battery monitoring circuit on the board. If the battery voltage drops below 10.5 Vdc the load disconnect will turn off the system power. When the battery vo
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5. MAINTENANCE page 14 5. MAINTENANCE 5.1. MAINTENANCE PROCEDURES The AM-255 has been designed for continuous use, and once initial installation has been completed, little maintenance is required. Periodic inspection is recommended to insure proper functioning. This should include (but is not limited to): - checking the alarm lamps and Sonalert with the TEST switch - performing an alarm test, High, Radiation, Low, Tamper - visual inspection for loose cables, wires, etc.
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5. MAINTENANCE page 15 5.2. PERFORMANCE VERIFICATION CHECKLIST ___ Repairs made (if any): list component and type of repair: ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ __________________________________________
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6. TROUBLESHOOTING page 16 6. TROUBLESHOOTING This guide is designed so that on-site personnel can service the AM-255 and effect necessary minor repairs. It covers procedures and parts down to the board level. Any other problems should be referred to factory authorized service personnel. Unauthorized repair voids warranty. When repairs are completed and the unit returned to operation, a copy of the Performance Verification Checklist (section 5.2.) should be filled out and filed
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6. TROUBLESHOOTING page 17 6.1.3. Battery Charger: The Battery Charger is wired directly into Molex connector to the AM-255 board. To disconnect, the Molex pins must be removed from the housing by inserting a small screwdriver or sharp pointed object into the slots in the housing and pressing down, while pulling gently on the wire. The ac input plugs into the charger with a standard IEC connector. To reinstall the battery charger insert the pins into the Molex housing, and reconnect
